java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 18:46:32,221 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 18:46:32,223 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 18:46:32,236 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 18:46:32,236 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 18:46:32,238 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 18:46:32,239 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 18:46:32,241 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 18:46:32,242 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 18:46:32,243 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 18:46:32,244 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 18:46:32,244 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 18:46:32,245 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 18:46:32,246 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 18:46:32,248 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 18:46:32,248 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 18:46:32,249 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 18:46:32,251 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 18:46:32,253 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 18:46:32,255 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 18:46:32,260 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 18:46:32,261 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 18:46:32,266 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 18:46:32,266 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 18:46:32,266 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 18:46:32,267 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 18:46:32,268 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 18:46:32,272 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 18:46:32,273 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 18:46:32,274 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 18:46:32,276 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 18:46:32,277 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 18:46:32,277 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 18:46:32,277 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 18:46:32,281 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 18:46:32,282 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 18:46:32,282 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 18:46:32,312 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 18:46:32,312 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 18:46:32,313 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 18:46:32,313 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 18:46:32,313 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 18:46:32,313 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 18:46:32,314 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 18:46:32,314 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 18:46:32,314 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 18:46:32,314 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 18:46:32,314 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 18:46:32,315 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 18:46:32,315 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 18:46:32,316 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 18:46:32,316 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 18:46:32,316 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 18:46:32,316 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 18:46:32,316 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 18:46:32,316 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 18:46:32,317 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 18:46:32,317 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 18:46:32,317 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 18:46:32,317 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 18:46:32,317 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 18:46:32,318 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 18:46:32,318 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:46:32,318 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 18:46:32,318 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 18:46:32,318 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 18:46:32,319 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 18:46:32,319 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 18:46:32,319 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 18:46:32,319 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 18:46:32,319 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 18:46:32,320 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 18:46:32,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 18:46:32,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 18:46:32,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 18:46:32,394 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 18:46:32,395 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 18:46:32,395 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c [2018-11-07 18:46:32,455 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f995a1d88/96406a0b05974b229aee58ff1079d857/FLAG99faad67e [2018-11-07 18:46:33,064 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 18:46:33,065 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c [2018-11-07 18:46:33,087 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f995a1d88/96406a0b05974b229aee58ff1079d857/FLAG99faad67e [2018-11-07 18:46:33,104 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f995a1d88/96406a0b05974b229aee58ff1079d857 [2018-11-07 18:46:33,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 18:46:33,117 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 18:46:33,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 18:46:33,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 18:46:33,122 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 18:46:33,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:46:33" (1/1) ... [2018-11-07 18:46:33,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56927dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:33, skipping insertion in model container [2018-11-07 18:46:33,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:46:33" (1/1) ... [2018-11-07 18:46:33,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 18:46:33,200 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 18:46:33,704 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:46:33,709 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 18:46:33,841 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:46:33,861 INFO L193 MainTranslator]: Completed translation [2018-11-07 18:46:33,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:33 WrapperNode [2018-11-07 18:46:33,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 18:46:33,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 18:46:33,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 18:46:33,863 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 18:46:33,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:33" (1/1) ... [2018-11-07 18:46:33,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:33" (1/1) ... [2018-11-07 18:46:33,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 18:46:33,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 18:46:33,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 18:46:33,989 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 18:46:34,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:33" (1/1) ... [2018-11-07 18:46:34,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:33" (1/1) ... [2018-11-07 18:46:34,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:33" (1/1) ... [2018-11-07 18:46:34,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:33" (1/1) ... [2018-11-07 18:46:34,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:33" (1/1) ... [2018-11-07 18:46:34,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:33" (1/1) ... [2018-11-07 18:46:34,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:33" (1/1) ... [2018-11-07 18:46:34,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 18:46:34,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 18:46:34,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 18:46:34,095 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 18:46:34,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:46:34,176 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 18:46:34,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 18:46:34,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 18:46:34,177 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 18:46:34,177 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 18:46:34,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 18:46:34,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 18:46:34,178 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 18:46:34,178 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 18:46:37,613 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 18:46:37,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:46:37 BoogieIcfgContainer [2018-11-07 18:46:37,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 18:46:37,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 18:46:37,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 18:46:37,619 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 18:46:37,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:46:33" (1/3) ... [2018-11-07 18:46:37,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adeec4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:46:37, skipping insertion in model container [2018-11-07 18:46:37,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:46:33" (2/3) ... [2018-11-07 18:46:37,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adeec4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:46:37, skipping insertion in model container [2018-11-07 18:46:37,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:46:37" (3/3) ... [2018-11-07 18:46:37,623 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label36_true-unreach-call_false-termination.c [2018-11-07 18:46:37,633 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 18:46:37,643 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 18:46:37,661 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 18:46:37,693 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 18:46:37,693 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 18:46:37,693 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 18:46:37,693 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 18:46:37,693 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 18:46:37,694 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 18:46:37,694 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 18:46:37,694 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 18:46:37,722 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 18:46:37,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-07 18:46:37,743 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:37,748 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] [2018-11-07 18:46:37,750 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:37,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:37,758 INFO L82 PathProgramCache]: Analyzing trace with hash -887392241, now seen corresponding path program 1 times [2018-11-07 18:46:37,761 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:37,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:37,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:37,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:37,811 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:38,399 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:46:38,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:46:38,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:46:38,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:46:38,484 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:46:38,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:46:38,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:46:38,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:46:38,511 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-07 18:46:40,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:40,007 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-07 18:46:40,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:46:40,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2018-11-07 18:46:40,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:40,030 INFO L225 Difference]: With dead ends: 618 [2018-11-07 18:46:40,030 INFO L226 Difference]: Without dead ends: 379 [2018-11-07 18:46:40,038 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:46:40,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-07 18:46:40,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-07 18:46:40,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-07 18:46:40,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-11-07 18:46:40,116 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 139 [2018-11-07 18:46:40,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:40,117 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-11-07 18:46:40,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:46:40,118 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-11-07 18:46:40,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-07 18:46:40,134 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:40,134 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:46:40,135 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:40,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:40,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1146144614, now seen corresponding path program 1 times [2018-11-07 18:46:40,135 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:40,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:40,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:40,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:40,139 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:40,411 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:46:40,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:46:40,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:46:40,412 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:46:40,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:46:40,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:46:40,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:46:40,415 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-11-07 18:46:42,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:42,659 INFO L93 Difference]: Finished difference Result 1231 states and 2094 transitions. [2018-11-07 18:46:42,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 18:46:42,663 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2018-11-07 18:46:42,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:42,680 INFO L225 Difference]: With dead ends: 1231 [2018-11-07 18:46:42,680 INFO L226 Difference]: Without dead ends: 858 [2018-11-07 18:46:42,688 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 18:46:42,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2018-11-07 18:46:42,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 821. [2018-11-07 18:46:42,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2018-11-07 18:46:42,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1290 transitions. [2018-11-07 18:46:42,762 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1290 transitions. Word has length 155 [2018-11-07 18:46:42,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:42,762 INFO L480 AbstractCegarLoop]: Abstraction has 821 states and 1290 transitions. [2018-11-07 18:46:42,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:46:42,762 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1290 transitions. [2018-11-07 18:46:42,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-07 18:46:42,768 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:42,769 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:46:42,769 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:42,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:42,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1857852795, now seen corresponding path program 1 times [2018-11-07 18:46:42,770 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:42,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:42,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:42,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:42,771 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:43,081 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:46:43,149 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:46:43,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:46:43,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:46:43,150 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:46:43,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:46:43,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:46:43,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:46:43,152 INFO L87 Difference]: Start difference. First operand 821 states and 1290 transitions. Second operand 6 states. [2018-11-07 18:46:46,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:46:46,980 INFO L93 Difference]: Finished difference Result 2553 states and 4218 transitions. [2018-11-07 18:46:46,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:46:46,987 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2018-11-07 18:46:46,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:46:47,009 INFO L225 Difference]: With dead ends: 2553 [2018-11-07 18:46:47,010 INFO L226 Difference]: Without dead ends: 1738 [2018-11-07 18:46:47,016 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 18:46:47,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2018-11-07 18:46:47,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1680. [2018-11-07 18:46:47,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2018-11-07 18:46:47,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2538 transitions. [2018-11-07 18:46:47,099 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2538 transitions. Word has length 162 [2018-11-07 18:46:47,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:46:47,099 INFO L480 AbstractCegarLoop]: Abstraction has 1680 states and 2538 transitions. [2018-11-07 18:46:47,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:46:47,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2538 transitions. [2018-11-07 18:46:47,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-07 18:46:47,108 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:46:47,109 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:46:47,109 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:46:47,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:47,109 INFO L82 PathProgramCache]: Analyzing trace with hash 195127661, now seen corresponding path program 1 times [2018-11-07 18:46:47,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:46:47,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:47,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:46:47,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:46:47,110 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:46:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:46:47,369 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-07 18:46:47,369 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:46:47,369 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:46:47,370 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-11-07 18:46:47,373 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:46:47,440 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:46:47,440 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:46:48,204 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:46:48,206 INFO L272 AbstractInterpreter]: Visited 140 different actions 140 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-11-07 18:46:48,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:46:48,248 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:46:48,797 INFO L227 lantSequenceWeakener]: Weakened 142 states. On average, predicates are now at 81.56% of their original sizes. [2018-11-07 18:46:48,797 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:46:49,254 INFO L415 sIntCurrentIteration]: We unified 163 AI predicates to 163 [2018-11-07 18:46:49,254 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:46:49,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:46:49,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 18 [2018-11-07 18:46:49,256 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:46:49,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 18:46:49,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 18:46:49,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-11-07 18:46:49,257 INFO L87 Difference]: Start difference. First operand 1680 states and 2538 transitions. Second operand 14 states. [2018-11-07 18:47:05,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:47:05,848 INFO L93 Difference]: Finished difference Result 3652 states and 5496 transitions. [2018-11-07 18:47:05,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-07 18:47:05,848 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 164 [2018-11-07 18:47:05,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:47:05,858 INFO L225 Difference]: With dead ends: 3652 [2018-11-07 18:47:05,859 INFO L226 Difference]: Without dead ends: 1978 [2018-11-07 18:47:05,864 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 176 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=193, Invalid=509, Unknown=0, NotChecked=0, Total=702 [2018-11-07 18:47:05,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2018-11-07 18:47:05,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1825. [2018-11-07 18:47:05,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1825 states. [2018-11-07 18:47:05,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2690 transitions. [2018-11-07 18:47:05,915 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2690 transitions. Word has length 164 [2018-11-07 18:47:05,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:47:05,915 INFO L480 AbstractCegarLoop]: Abstraction has 1825 states and 2690 transitions. [2018-11-07 18:47:05,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 18:47:05,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2690 transitions. [2018-11-07 18:47:05,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-07 18:47:05,924 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:47:05,924 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:47:05,925 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:47:05,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:05,925 INFO L82 PathProgramCache]: Analyzing trace with hash -6587698, now seen corresponding path program 1 times [2018-11-07 18:47:05,925 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:47:05,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:05,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:47:05,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:05,927 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:47:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:47:06,172 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 18:47:06,173 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:47:06,173 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:47:06,173 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-11-07 18:47:06,173 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:47:06,180 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:47:06,180 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:47:07,034 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:47:07,034 INFO L272 AbstractInterpreter]: Visited 144 different actions 426 times. Merged at 7 different actions 16 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-07 18:47:07,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:07,073 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:47:07,409 INFO L227 lantSequenceWeakener]: Weakened 171 states. On average, predicates are now at 81.28% of their original sizes. [2018-11-07 18:47:07,409 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:47:08,344 INFO L415 sIntCurrentIteration]: We unified 173 AI predicates to 173 [2018-11-07 18:47:08,344 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:47:08,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:47:08,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-07 18:47:08,344 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:47:08,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 18:47:08,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 18:47:08,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 18:47:08,346 INFO L87 Difference]: Start difference. First operand 1825 states and 2690 transitions. Second operand 10 states. [2018-11-07 18:47:15,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:47:15,962 INFO L93 Difference]: Finished difference Result 4459 states and 6596 transitions. [2018-11-07 18:47:15,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 18:47:15,963 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 174 [2018-11-07 18:47:15,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:47:15,978 INFO L225 Difference]: With dead ends: 4459 [2018-11-07 18:47:15,978 INFO L226 Difference]: Without dead ends: 2640 [2018-11-07 18:47:15,985 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 182 GetRequests, 113 SyntacticMatches, 52 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-11-07 18:47:15,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2640 states. [2018-11-07 18:47:16,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2640 to 2554. [2018-11-07 18:47:16,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2554 states. [2018-11-07 18:47:16,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 2554 states and 3569 transitions. [2018-11-07 18:47:16,063 INFO L78 Accepts]: Start accepts. Automaton has 2554 states and 3569 transitions. Word has length 174 [2018-11-07 18:47:16,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:47:16,064 INFO L480 AbstractCegarLoop]: Abstraction has 2554 states and 3569 transitions. [2018-11-07 18:47:16,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 18:47:16,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2554 states and 3569 transitions. [2018-11-07 18:47:16,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-07 18:47:16,075 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:47:16,076 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:47:16,076 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:47:16,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:16,076 INFO L82 PathProgramCache]: Analyzing trace with hash -383543010, now seen corresponding path program 1 times [2018-11-07 18:47:16,077 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:47:16,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:16,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:47:16,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:16,078 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:47:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:47:16,293 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 18:47:16,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:47:16,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:47:16,294 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:47:16,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:47:16,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:47:16,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:47:16,295 INFO L87 Difference]: Start difference. First operand 2554 states and 3569 transitions. Second operand 3 states. [2018-11-07 18:47:17,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:47:17,804 INFO L93 Difference]: Finished difference Result 6370 states and 9328 transitions. [2018-11-07 18:47:17,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:47:17,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2018-11-07 18:47:17,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:47:17,821 INFO L225 Difference]: With dead ends: 6370 [2018-11-07 18:47:17,821 INFO L226 Difference]: Without dead ends: 2699 [2018-11-07 18:47:17,836 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:47:17,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2699 states. [2018-11-07 18:47:17,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2699 to 2603. [2018-11-07 18:47:17,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2603 states. [2018-11-07 18:47:17,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2603 states and 3403 transitions. [2018-11-07 18:47:17,902 INFO L78 Accepts]: Start accepts. Automaton has 2603 states and 3403 transitions. Word has length 176 [2018-11-07 18:47:17,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:47:17,903 INFO L480 AbstractCegarLoop]: Abstraction has 2603 states and 3403 transitions. [2018-11-07 18:47:17,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:47:17,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 3403 transitions. [2018-11-07 18:47:17,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-07 18:47:17,912 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:47:17,913 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:47:17,913 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:47:17,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:17,913 INFO L82 PathProgramCache]: Analyzing trace with hash -457317476, now seen corresponding path program 1 times [2018-11-07 18:47:17,913 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:47:17,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:17,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:47:17,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:17,915 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:47:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:47:18,046 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 57 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-07 18:47:18,047 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:47:18,047 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:47:18,047 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-11-07 18:47:18,047 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:47:18,052 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:47:18,053 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:47:18,507 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:47:18,508 INFO L272 AbstractInterpreter]: Visited 144 different actions 285 times. Merged at 5 different actions 8 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-07 18:47:18,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:18,514 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:47:18,956 INFO L227 lantSequenceWeakener]: Weakened 56 states. On average, predicates are now at 82.99% of their original sizes. [2018-11-07 18:47:18,956 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:47:21,586 INFO L415 sIntCurrentIteration]: We unified 189 AI predicates to 189 [2018-11-07 18:47:21,587 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:47:21,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:47:21,587 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-11-07 18:47:21,587 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:47:21,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 18:47:21,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 18:47:21,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2018-11-07 18:47:21,588 INFO L87 Difference]: Start difference. First operand 2603 states and 3403 transitions. Second operand 15 states. [2018-11-07 18:47:35,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:47:35,922 INFO L93 Difference]: Finished difference Result 5967 states and 7746 transitions. [2018-11-07 18:47:35,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-07 18:47:35,922 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 190 [2018-11-07 18:47:35,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:47:35,936 INFO L225 Difference]: With dead ends: 5967 [2018-11-07 18:47:35,936 INFO L226 Difference]: Without dead ends: 3370 [2018-11-07 18:47:35,943 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 200 GetRequests, 113 SyntacticMatches, 63 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=145, Invalid=505, Unknown=0, NotChecked=0, Total=650 [2018-11-07 18:47:35,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3370 states. [2018-11-07 18:47:36,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3370 to 3211. [2018-11-07 18:47:36,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3211 states. [2018-11-07 18:47:36,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3211 states to 3211 states and 4106 transitions. [2018-11-07 18:47:36,019 INFO L78 Accepts]: Start accepts. Automaton has 3211 states and 4106 transitions. Word has length 190 [2018-11-07 18:47:36,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:47:36,020 INFO L480 AbstractCegarLoop]: Abstraction has 3211 states and 4106 transitions. [2018-11-07 18:47:36,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 18:47:36,020 INFO L276 IsEmpty]: Start isEmpty. Operand 3211 states and 4106 transitions. [2018-11-07 18:47:36,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-07 18:47:36,030 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:47:36,031 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:47:36,031 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:47:36,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:36,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1711089349, now seen corresponding path program 1 times [2018-11-07 18:47:36,032 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:47:36,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:36,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:47:36,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:36,034 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:47:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:47:36,182 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 74 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-07 18:47:36,183 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:47:36,183 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:47:36,183 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 206 with the following transitions: [2018-11-07 18:47:36,184 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:47:36,187 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:47:36,188 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:47:36,781 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:47:36,782 INFO L272 AbstractInterpreter]: Visited 144 different actions 428 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 18:47:36,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:36,791 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:47:37,359 INFO L227 lantSequenceWeakener]: Weakened 202 states. On average, predicates are now at 81.17% of their original sizes. [2018-11-07 18:47:37,359 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:47:37,505 INFO L415 sIntCurrentIteration]: We unified 204 AI predicates to 204 [2018-11-07 18:47:37,506 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:47:37,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:47:37,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-07 18:47:37,506 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:47:37,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 18:47:37,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 18:47:37,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 18:47:37,507 INFO L87 Difference]: Start difference. First operand 3211 states and 4106 transitions. Second operand 11 states. [2018-11-07 18:47:48,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:47:48,499 INFO L93 Difference]: Finished difference Result 6950 states and 8943 transitions. [2018-11-07 18:47:48,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 18:47:48,500 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 205 [2018-11-07 18:47:48,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:47:48,513 INFO L225 Difference]: With dead ends: 6950 [2018-11-07 18:47:48,513 INFO L226 Difference]: Without dead ends: 3542 [2018-11-07 18:47:48,521 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 216 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2018-11-07 18:47:48,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3542 states. [2018-11-07 18:47:48,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3542 to 3477. [2018-11-07 18:47:48,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3477 states. [2018-11-07 18:47:48,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 4360 transitions. [2018-11-07 18:47:48,604 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 4360 transitions. Word has length 205 [2018-11-07 18:47:48,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:47:48,605 INFO L480 AbstractCegarLoop]: Abstraction has 3477 states and 4360 transitions. [2018-11-07 18:47:48,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 18:47:48,605 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 4360 transitions. [2018-11-07 18:47:48,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-07 18:47:48,616 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:47:48,617 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:47:48,617 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:47:48,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:48,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1971199202, now seen corresponding path program 1 times [2018-11-07 18:47:48,618 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:47:48,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:48,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:47:48,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:48,619 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:47:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:47:49,134 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 91 proven. 54 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 18:47:49,134 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:47:49,134 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:47:49,135 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-11-07 18:47:49,135 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], [131], [132], [136], [140], [144], [148], [152], [155], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [783], [785], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:47:49,138 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:47:49,138 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:47:49,871 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:47:49,871 INFO L272 AbstractInterpreter]: Visited 144 different actions 426 times. Merged at 7 different actions 16 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-07 18:47:49,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:49,877 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:47:50,158 INFO L227 lantSequenceWeakener]: Weakened 230 states. On average, predicates are now at 81.09% of their original sizes. [2018-11-07 18:47:50,158 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:47:50,267 INFO L415 sIntCurrentIteration]: We unified 232 AI predicates to 232 [2018-11-07 18:47:50,267 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:47:50,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:47:50,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 19 [2018-11-07 18:47:50,268 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:47:50,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 18:47:50,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 18:47:50,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 18:47:50,269 INFO L87 Difference]: Start difference. First operand 3477 states and 4360 transitions. Second operand 11 states. [2018-11-07 18:47:56,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:47:56,082 INFO L93 Difference]: Finished difference Result 8591 states and 10923 transitions. [2018-11-07 18:47:56,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 18:47:56,083 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 233 [2018-11-07 18:47:56,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:47:56,103 INFO L225 Difference]: With dead ends: 8591 [2018-11-07 18:47:56,103 INFO L226 Difference]: Without dead ends: 5423 [2018-11-07 18:47:56,110 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 244 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2018-11-07 18:47:56,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5423 states. [2018-11-07 18:47:56,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5423 to 4898. [2018-11-07 18:47:56,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4898 states. [2018-11-07 18:47:56,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4898 states to 4898 states and 6138 transitions. [2018-11-07 18:47:56,232 INFO L78 Accepts]: Start accepts. Automaton has 4898 states and 6138 transitions. Word has length 233 [2018-11-07 18:47:56,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:47:56,233 INFO L480 AbstractCegarLoop]: Abstraction has 4898 states and 6138 transitions. [2018-11-07 18:47:56,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 18:47:56,233 INFO L276 IsEmpty]: Start isEmpty. Operand 4898 states and 6138 transitions. [2018-11-07 18:47:56,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-11-07 18:47:56,250 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:47:56,250 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:47:56,250 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:47:56,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:56,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1753075831, now seen corresponding path program 1 times [2018-11-07 18:47:56,251 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:47:56,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:56,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:47:56,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:47:56,252 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:47:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:47:56,742 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 193 proven. 136 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-07 18:47:56,743 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:47:56,743 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:47:56,743 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 336 with the following transitions: [2018-11-07 18:47:56,743 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], [131], [132], [136], [140], [144], [148], [152], [155], [156], [160], [163], [168], [170], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [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], [783], [785], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:47:56,746 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:47:56,746 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:47:57,415 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:47:57,416 INFO L272 AbstractInterpreter]: Visited 150 different actions 600 times. Merged at 9 different actions 39 times. Widened at 1 different actions 1 times. Found 9 fixpoints after 4 different actions. Largest state had 38 variables. [2018-11-07 18:47:57,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:47:57,424 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:47:57,806 INFO L227 lantSequenceWeakener]: Weakened 332 states. On average, predicates are now at 81.04% of their original sizes. [2018-11-07 18:47:57,806 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:47:58,053 INFO L415 sIntCurrentIteration]: We unified 334 AI predicates to 334 [2018-11-07 18:47:58,053 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:47:58,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:47:58,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [10] total 23 [2018-11-07 18:47:58,054 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:47:58,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 18:47:58,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 18:47:58,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2018-11-07 18:47:58,055 INFO L87 Difference]: Start difference. First operand 4898 states and 6138 transitions. Second operand 15 states. [2018-11-07 18:48:13,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:48:13,465 INFO L93 Difference]: Finished difference Result 11493 states and 14537 transitions. [2018-11-07 18:48:13,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-07 18:48:13,465 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 335 [2018-11-07 18:48:13,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:48:13,489 INFO L225 Difference]: With dead ends: 11493 [2018-11-07 18:48:13,490 INFO L226 Difference]: Without dead ends: 6419 [2018-11-07 18:48:13,501 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 367 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=462, Invalid=1794, Unknown=0, NotChecked=0, Total=2256 [2018-11-07 18:48:13,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6419 states. [2018-11-07 18:48:13,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6419 to 6081. [2018-11-07 18:48:13,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6081 states. [2018-11-07 18:48:13,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6081 states to 6081 states and 7466 transitions. [2018-11-07 18:48:13,646 INFO L78 Accepts]: Start accepts. Automaton has 6081 states and 7466 transitions. Word has length 335 [2018-11-07 18:48:13,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:48:13,646 INFO L480 AbstractCegarLoop]: Abstraction has 6081 states and 7466 transitions. [2018-11-07 18:48:13,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 18:48:13,647 INFO L276 IsEmpty]: Start isEmpty. Operand 6081 states and 7466 transitions. [2018-11-07 18:48:13,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-11-07 18:48:13,666 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:48:13,666 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:48:13,666 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:48:13,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:48:13,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1972708365, now seen corresponding path program 1 times [2018-11-07 18:48:13,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:48:13,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:48:13,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:48:13,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:48:13,668 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:48:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:48:13,941 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:48:14,046 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 206 proven. 108 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-07 18:48:14,046 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:48:14,046 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:48:14,046 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 342 with the following transitions: [2018-11-07 18:48:14,046 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [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], [124], [128], [132], [136], [140], [144], [148], [152], [155], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [351], [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], [783], [785], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:48:14,049 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:48:14,049 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:48:14,699 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:48:14,699 INFO L272 AbstractInterpreter]: Visited 148 different actions 586 times. Merged at 8 different actions 34 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 4 different actions. Largest state had 38 variables. [2018-11-07 18:48:14,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:48:14,707 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:48:14,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:48:14,707 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 18:48:14,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:48:14,717 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:48:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:48:14,882 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:48:15,175 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 220 proven. 2 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-07 18:48:15,175 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:48:16,135 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 206 proven. 108 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-07 18:48:16,169 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:48:16,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-07 18:48:16,170 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:48:16,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 18:48:16,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 18:48:16,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-07 18:48:16,172 INFO L87 Difference]: Start difference. First operand 6081 states and 7466 transitions. Second operand 9 states. [2018-11-07 18:48:19,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:48:19,371 INFO L93 Difference]: Finished difference Result 9742 states and 11884 transitions. [2018-11-07 18:48:19,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 18:48:19,375 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 341 [2018-11-07 18:48:19,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:48:19,376 INFO L225 Difference]: With dead ends: 9742 [2018-11-07 18:48:19,376 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 18:48:19,402 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 708 GetRequests, 687 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2018-11-07 18:48:19,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 18:48:19,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 18:48:19,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 18:48:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 18:48:19,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 341 [2018-11-07 18:48:19,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:48:19,403 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 18:48:19,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 18:48:19,404 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 18:48:19,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 18:48:19,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 18:48:19,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:19,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:20,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:20,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:20,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:20,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:20,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:20,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:20,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:20,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:20,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:20,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:20,594 WARN L179 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 210 [2018-11-07 18:48:20,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:20,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:20,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:20,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:20,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:20,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:20,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:20,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:21,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:21,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:21,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:21,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:21,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:21,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:21,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:48:21,153 WARN L179 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 253 [2018-11-07 18:48:21,564 WARN L179 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2018-11-07 18:48:23,460 WARN L179 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 128 DAG size of output: 77 [2018-11-07 18:48:29,219 WARN L179 SmtUtils]: Spent 5.72 s on a formula simplification. DAG size of input: 365 DAG size of output: 113 [2018-11-07 18:48:30,619 WARN L179 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 237 DAG size of output: 105 [2018-11-07 18:48:32,055 WARN L179 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 277 DAG size of output: 105 [2018-11-07 18:48:32,059 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:48:32,059 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= |old(~a25~0)| ~a25~0)) [2018-11-07 18:48:32,059 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:48:32,059 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,059 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,059 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,059 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,060 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,060 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 18:48:32,060 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 18:48:32,060 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 18:48:32,060 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 18:48:32,060 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 18:48:32,060 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 18:48:32,060 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 18:48:32,060 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 18:48:32,060 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 18:48:32,061 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 18:48:32,061 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 18:48:32,061 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 18:48:32,061 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 18:48:32,061 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,061 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,061 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,061 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,061 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,061 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 18:48:32,061 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 18:48:32,061 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 18:48:32,062 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 18:48:32,062 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 18:48:32,062 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 18:48:32,062 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 18:48:32,062 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 18:48:32,062 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 18:48:32,062 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 18:48:32,062 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 18:48:32,062 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 18:48:32,062 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 18:48:32,062 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 18:48:32,062 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 18:48:32,063 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 18:48:32,063 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,063 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,063 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,063 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,063 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,063 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 18:48:32,063 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 18:48:32,063 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 18:48:32,063 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 18:48:32,063 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 18:48:32,064 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 18:48:32,064 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 18:48:32,064 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 18:48:32,064 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 18:48:32,064 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 18:48:32,064 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 18:48:32,064 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,064 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,064 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,065 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,065 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,065 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 18:48:32,065 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 18:48:32,065 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 18:48:32,065 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 18:48:32,065 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 18:48:32,065 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 18:48:32,065 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 18:48:32,065 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 18:48:32,066 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 18:48:32,066 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 18:48:32,066 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 18:48:32,066 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 18:48:32,066 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 18:48:32,066 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,066 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,066 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,066 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,067 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,067 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 18:48:32,067 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 18:48:32,067 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 18:48:32,067 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 18:48:32,067 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 18:48:32,067 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 18:48:32,067 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 18:48:32,067 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 18:48:32,068 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 18:48:32,068 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 18:48:32,068 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 18:48:32,068 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 18:48:32,068 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 18:48:32,068 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 18:48:32,068 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 18:48:32,068 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 18:48:32,068 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,069 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,069 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,069 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,069 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,069 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 18:48:32,069 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 18:48:32,069 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,069 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 18:48:32,070 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 18:48:32,070 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 18:48:32,070 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,070 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,070 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 18:48:32,070 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 18:48:32,070 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 18:48:32,070 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 18:48:32,070 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 18:48:32,071 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 18:48:32,071 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 18:48:32,071 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 18:48:32,071 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 18:48:32,071 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 18:48:32,071 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 18:48:32,071 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,071 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,071 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,072 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,072 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,072 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,072 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 18:48:32,072 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 18:48:32,072 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 18:48:32,072 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 18:48:32,072 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 18:48:32,072 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 18:48:32,072 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 18:48:32,073 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 18:48:32,073 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 18:48:32,073 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 18:48:32,073 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 18:48:32,073 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,073 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,073 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,073 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,073 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,073 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,074 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 18:48:32,074 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 18:48:32,074 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 18:48:32,074 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 18:48:32,074 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 18:48:32,074 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 18:48:32,074 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 18:48:32,074 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 18:48:32,074 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 18:48:32,075 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 18:48:32,075 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 18:48:32,075 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 18:48:32,075 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 18:48:32,075 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 18:48:32,075 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,075 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,075 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 568) no Hoare annotation was computed. [2018-11-07 18:48:32,075 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,076 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,076 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse13 (= 1 |old(~a25~0)|))) (let ((.cse14 (not .cse13)) (.cse11 (not (= 1 ~a21~0))) (.cse7 (not (= 1 |old(~a19~0)|))) (.cse24 (< 1 |old(~a25~0)|)) (.cse20 (not (= 0 |old(~a11~0)|))) (.cse25 (< 11 |old(~a28~0)|)) (.cse12 (not (= 8 |old(~a17~0)|))) (.cse23 (< |old(~a25~0)| 0)) (.cse22 (< |old(~a28~0)| 7))) (let ((.cse21 (= |old(~a19~0)| ~a19~0)) (.cse4 (= 1 ~a11~0)) (.cse2 (= |old(~a25~0)| ~a25~0)) (.cse26 (= |old(~a11~0)| |old(~a19~0)|)) (.cse29 (not (= ~a17~0 7))) (.cse28 (= 7 |old(~a17~0)|)) (.cse8 (< 8 |old(~a17~0)|)) (.cse1 (not (= 1 |old(~a11~0)|))) (.cse27 (< 10 |old(~a28~0)|)) (.cse3 (<= 7 ~a28~0)) (.cse9 (< |calculate_output_#in~input| 1)) (.cse0 (< 6 |calculate_output_#in~input|)) (.cse5 (= ~a19~0 1)) (.cse15 (= ~a25~0 1)) (.cse16 (<= 0 ~a11~0)) (.cse17 (= |old(~a28~0)| ~a28~0)) (.cse18 (<= ~a11~0 1)) (.cse10 (= ~a17~0 8)) (.cse19 (not (= ~a19~0 ~a11~0))) (.cse6 (and (or .cse11 (< |old(~a11~0)| 0) .cse14 (< 1 |old(~a11~0)|) .cse25 .cse22 (< |old(~a17~0)| 7)) (or .cse11 .cse7 .cse24 .cse20 .cse25 .cse12 .cse23 .cse22)))) (and (or .cse0 .cse1 (and .cse2 .cse3 (<= ~a28~0 11) .cse4 .cse5 (<= ~a17~0 8) (<= 7 ~a17~0)) .cse6 .cse7 .cse8 .cse9) (or (and .cse4 .cse10 .cse2 .cse5) .cse11 .cse7 .cse12 .cse1 .cse13) (or .cse14 (and .cse15 .cse5 .cse16 .cse17 .cse18 .cse10 .cse19) (or .cse0 .cse20 .cse6) .cse7 .cse12 .cse9) (or .cse0 .cse20 (= 9 |old(~a28~0)|) (and .cse2 .cse17 .cse21 (= ~a11~0 0) .cse10) .cse22 (or (< 1 |old(~a19~0)|) .cse11 .cse23) (< |old(~a19~0)| 0) .cse24 .cse25 .cse12 .cse9) (or (and .cse21 .cse4 .cse2) .cse26 .cse1) (or (and .cse17 .cse21 .cse4 .cse2) (< |old(~a28~0)| 10) .cse1 .cse13) (or .cse0 .cse11 .cse23 .cse1 .cse22 .cse27 (<= ~a28~0 10) .cse7 .cse24 .cse12 .cse9) (or .cse0 .cse11 (not (= 7 |old(~a28~0)|)) (= ~a28~0 7) .cse14 .cse1 .cse7 .cse12 .cse9) (or .cse28 .cse29 .cse26 .cse1) (or .cse0 .cse29 .cse28 .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse11 .cse23 .cse1 .cse22 .cse27 .cse7 .cse24 .cse12 .cse3 .cse9) (or .cse13 .cse9 .cse0 (and (<= 0 ~a25~0) .cse5 (not .cse15) .cse16 (<= ~a25~0 1) .cse17 .cse18 .cse10 .cse19) .cse6))))) [2018-11-07 18:48:32,076 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,077 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,077 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 18:48:32,077 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 18:48:32,077 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 18:48:32,077 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 18:48:32,077 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 18:48:32,077 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 18:48:32,077 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 18:48:32,077 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 18:48:32,077 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 18:48:32,078 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 18:48:32,078 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 18:48:32,078 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 18:48:32,078 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 18:48:32,078 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,078 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,078 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,078 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,078 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,078 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,079 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 18:48:32,079 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 18:48:32,079 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 18:48:32,079 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 18:48:32,079 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 18:48:32,079 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 18:48:32,079 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 18:48:32,079 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 18:48:32,079 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 18:48:32,080 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 18:48:32,080 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 18:48:32,080 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 18:48:32,080 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 18:48:32,080 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 18:48:32,080 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 18:48:32,080 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-07 18:48:32,080 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,081 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,081 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,081 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,081 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:48:32,081 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 18:48:32,081 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 18:48:32,081 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 18:48:32,081 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 18:48:32,081 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 18:48:32,081 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 18:48:32,082 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 18:48:32,082 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 18:48:32,082 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 18:48:32,082 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 18:48:32,082 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 18:48:32,082 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 18:48:32,082 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 18:48:32,082 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 18:48:32,082 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 18:48:32,082 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 18:48:32,082 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 18:48:32,083 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 18:48:32,083 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 18:48:32,083 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:48:32,083 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-11-07 18:48:32,083 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 18:48:32,083 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:48:32,083 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (and (= ~a25~0 0) (= ~a19~0 1) (= ~a11~0 |old(~a11~0)|) (= |old(~a28~0)| ~a28~0) (= ~a17~0 8)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-07 18:48:32,084 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 18:48:32,084 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a25~0 1))) (let ((.cse2 (<= 7 ~a28~0)) (.cse5 (= ~a11~0 0)) (.cse0 (<= ~a28~0 11)) (.cse4 (<= 0 ~a25~0)) (.cse7 (<= ~a25~0 1)) (.cse8 (not .cse1)) (.cse3 (= 1 ~a11~0)) (.cse6 (= ~a17~0 8))) (or (and (and .cse0 .cse1 (<= ~a17~0 8) .cse2 (<= 7 ~a17~0)) .cse3) (and (and .cse0 .cse4 .cse5 .cse6 (= ~a19~0 1) .cse2 .cse7) (<= 1 main_~input~0) (<= main_~input~0 6)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse3 (not (= ~a19~0 ~a11~0))) (and .cse2 .cse5 (<= 0 ~a19~0) (and .cse0 .cse4 (<= ~a19~0 1) .cse6 .cse7) (not (= ~a28~0 9))) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (and (<= 10 ~a28~0) .cse8 .cse3) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (and .cse8 .cse3 .cse6) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0))))) [2018-11-07 18:48:32,084 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 18:48:32,084 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 18:48:32,084 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse9 (= ~a25~0 1))) (let ((.cse0 (<= 1 main_~input~0)) (.cse4 (<= ~a28~0 11)) (.cse5 (<= 0 ~a25~0)) (.cse3 (= ~a11~0 0)) (.cse2 (<= 7 ~a28~0)) (.cse7 (<= ~a25~0 1)) (.cse1 (<= main_~input~0 6)) (.cse10 (not .cse9)) (.cse8 (= 1 ~a11~0)) (.cse6 (= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 0 ~a19~0) (and .cse4 .cse5 (<= ~a19~0 1) .cse6 .cse7) (not (= ~a28~0 9))) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse8 (not (= ~a19~0 ~a11~0))) (and .cse0 .cse8 .cse1 (and .cse9 .cse2 .cse4 (<= ~a17~0 8) (<= 7 ~a17~0))) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (and .cse0 (and .cse4 .cse5 .cse3 .cse6 (= ~a19~0 1) .cse2 .cse7) .cse1) (not (= 3 ~c~0)) (and (<= 10 ~a28~0) .cse10 .cse8) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (and .cse10 .cse8 .cse6) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0))))) [2018-11-07 18:48:32,085 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 18:48:32,085 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 18:48:32,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:48:32 BoogieIcfgContainer [2018-11-07 18:48:32,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 18:48:32,099 INFO L168 Benchmark]: Toolchain (without parser) took 118983.47 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -945.5 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-11-07 18:48:32,100 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:48:32,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.80 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 18:48:32,102 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.88 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 681.6 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -767.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2018-11-07 18:48:32,103 INFO L168 Benchmark]: Boogie Preprocessor took 105.72 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2018-11-07 18:48:32,103 INFO L168 Benchmark]: RCFGBuilder took 3520.11 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 122.8 MB). Peak memory consumption was 122.8 MB. Max. memory is 7.1 GB. [2018-11-07 18:48:32,104 INFO L168 Benchmark]: TraceAbstraction took 114483.06 ms. Allocated memory was 2.2 GB in the beginning and 3.9 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 2.3 GB in the end (delta: -346.6 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-11-07 18:48:32,109 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 744.80 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 124.88 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 681.6 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -767.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.72 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3520.11 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 122.8 MB). Peak memory consumption was 122.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 114483.06 ms. Allocated memory was 2.2 GB in the beginning and 3.9 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 2.3 GB in the end (delta: -346.6 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 568]: 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: ((((((((((((((((((((((((((a28 <= 11 && a25 == 1) && a17 <= 8) && 7 <= a28) && 7 <= a17) && 1 == a11) || ((((((((a28 <= 11 && 0 <= a25) && a11 == 0) && a17 == 8) && a19 == 1) && 7 <= a28) && a25 <= 1) && 1 <= input) && input <= 6)) || !(a21 == 1)) || !(y == 25)) || (1 == a11 && !(a19 == a11))) || ((((7 <= a28 && a11 == 0) && 0 <= a19) && (((a28 <= 11 && 0 <= a25) && a19 <= 1) && a17 == 8) && a25 <= 1) && !(a28 == 9))) || !(1 == \old(a19))) || !(x == 24)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || !(\old(a11) == 0)) || !(z == 26)) || !(0 == \old(a25))) || !(3 == c)) || ((10 <= a28 && !(a25 == 1)) && 1 == a11)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || ((!(a25 == 1) && 1 == a11) && a17 == 8)) || !(\old(a17) == 8)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 114.4s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 83.3s AutomataDifference, 0.0s DeadEndRemovalTime, 12.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1808 SDtfs, 11071 SDslu, 2607 SDs, 0 SdLazy, 14077 SolverSat, 2428 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.5s Time, PredicateUnifierStatistics: 12 DeclaredPredicates, 2122 GetRequests, 1812 SyntacticMatches, 121 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1872 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6081occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.9s AbstIntTime, 7 AbstIntIterations, 6 AbstIntStrong, 0.9970324258264283 AbsIntWeakeningRatio, 0.18996138996138995 AbsIntAvgWeakeningVarsNumRemoved, 27.963706563706562 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 1517 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 200 PreInvPairs, 286 NumberOfFragments, 1210 HoareAnnotationTreeSize, 200 FomulaSimplifications, 34301 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 49513 FormulaSimplificationTreeSizeReductionInter, 10.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 2615 NumberOfCodeBlocks, 2615 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2943 ConstructedInterpolants, 0 QuantifiedInterpolants, 1518618 SizeOfPredicates, 0 NumberOfNonLiveVariables, 683 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 1632/2089 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...