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_label02_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 18:42:45,108 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 18:42:45,112 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 18:42:45,130 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 18:42:45,130 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 18:42:45,132 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 18:42:45,134 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 18:42:45,137 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 18:42:45,139 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 18:42:45,139 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 18:42:45,141 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 18:42:45,141 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 18:42:45,142 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 18:42:45,145 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 18:42:45,146 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 18:42:45,147 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 18:42:45,148 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 18:42:45,150 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 18:42:45,152 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 18:42:45,153 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 18:42:45,154 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 18:42:45,156 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 18:42:45,158 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 18:42:45,158 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 18:42:45,158 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 18:42:45,159 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 18:42:45,160 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 18:42:45,161 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 18:42:45,162 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 18:42:45,163 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 18:42:45,163 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 18:42:45,164 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 18:42:45,164 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 18:42:45,164 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 18:42:45,165 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 18:42:45,166 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 18:42:45,166 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 18:42:45,195 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 18:42:45,198 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 18:42:45,199 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 18:42:45,199 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 18:42:45,199 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 18:42:45,200 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 18:42:45,200 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 18:42:45,200 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 18:42:45,200 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 18:42:45,200 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 18:42:45,201 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 18:42:45,201 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 18:42:45,201 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 18:42:45,202 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 18:42:45,202 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 18:42:45,203 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 18:42:45,203 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 18:42:45,203 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 18:42:45,203 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 18:42:45,203 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 18:42:45,204 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 18:42:45,204 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 18:42:45,204 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 18:42:45,204 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 18:42:45,204 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 18:42:45,206 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:42:45,206 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 18:42:45,207 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 18:42:45,207 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 18:42:45,207 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 18:42:45,207 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 18:42:45,207 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 18:42:45,208 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 18:42:45,208 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 18:42:45,208 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 18:42:45,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 18:42:45,294 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 18:42:45,299 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 18:42:45,301 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 18:42:45,301 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 18:42:45,302 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-11-07 18:42:45,371 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70b7fe50c/f6ec201ef9d2488eb95fa91cf903e460/FLAG01a74df85 [2018-11-07 18:42:45,962 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 18:42:45,963 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-11-07 18:42:45,982 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70b7fe50c/f6ec201ef9d2488eb95fa91cf903e460/FLAG01a74df85 [2018-11-07 18:42:46,005 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70b7fe50c/f6ec201ef9d2488eb95fa91cf903e460 [2018-11-07 18:42:46,021 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 18:42:46,023 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 18:42:46,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 18:42:46,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 18:42:46,031 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 18:42:46,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:42:46" (1/1) ... [2018-11-07 18:42:46,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef64eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:46, skipping insertion in model container [2018-11-07 18:42:46,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:42:46" (1/1) ... [2018-11-07 18:42:46,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 18:42:46,123 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 18:42:46,645 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:42:46,651 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 18:42:46,794 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:42:46,814 INFO L193 MainTranslator]: Completed translation [2018-11-07 18:42:46,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:46 WrapperNode [2018-11-07 18:42:46,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 18:42:46,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 18:42:46,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 18:42:46,816 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 18:42:46,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:46" (1/1) ... [2018-11-07 18:42:46,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:46" (1/1) ... [2018-11-07 18:42:46,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 18:42:46,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 18:42:46,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 18:42:46,961 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 18:42:46,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:46" (1/1) ... [2018-11-07 18:42:46,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:46" (1/1) ... [2018-11-07 18:42:46,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:46" (1/1) ... [2018-11-07 18:42:46,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:46" (1/1) ... [2018-11-07 18:42:47,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:46" (1/1) ... [2018-11-07 18:42:47,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:46" (1/1) ... [2018-11-07 18:42:47,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:46" (1/1) ... [2018-11-07 18:42:47,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 18:42:47,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 18:42:47,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 18:42:47,051 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 18:42:47,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:46" (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 18:42:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 18:42:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 18:42:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 18:42:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 18:42:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 18:42:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 18:42:47,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 18:42:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 18:42:47,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 18:42:50,155 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 18:42:50,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:42:50 BoogieIcfgContainer [2018-11-07 18:42:50,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 18:42:50,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 18:42:50,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 18:42:50,160 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 18:42:50,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:42:46" (1/3) ... [2018-11-07 18:42:50,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c921aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:42:50, skipping insertion in model container [2018-11-07 18:42:50,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:46" (2/3) ... [2018-11-07 18:42:50,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c921aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:42:50, skipping insertion in model container [2018-11-07 18:42:50,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:42:50" (3/3) ... [2018-11-07 18:42:50,166 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label02_true-unreach-call_false-termination.c [2018-11-07 18:42:50,179 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 18:42:50,190 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 18:42:50,208 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 18:42:50,258 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 18:42:50,258 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 18:42:50,258 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 18:42:50,259 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 18:42:50,259 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 18:42:50,259 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 18:42:50,259 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 18:42:50,259 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 18:42:50,291 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 18:42:50,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-07 18:42:50,305 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:42:50,306 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] [2018-11-07 18:42:50,309 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:42:50,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:50,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1835137400, now seen corresponding path program 1 times [2018-11-07 18:42:50,318 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:42:50,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:50,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:42:50,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:50,366 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:42:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:42:50,985 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-07 18:42:51,272 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 18:42:51,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:42:51,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 18:42:51,276 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:42:51,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 18:42:51,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 18:42:51,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 18:42:51,301 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 4 states. [2018-11-07 18:42:53,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:42:53,701 INFO L93 Difference]: Finished difference Result 788 states and 1373 transitions. [2018-11-07 18:42:53,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 18:42:53,704 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2018-11-07 18:42:53,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:42:53,731 INFO L225 Difference]: With dead ends: 788 [2018-11-07 18:42:53,731 INFO L226 Difference]: Without dead ends: 545 [2018-11-07 18:42:53,745 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 18:42:53,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-11-07 18:42:53,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 383. [2018-11-07 18:42:53,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-07 18:42:53,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 631 transitions. [2018-11-07 18:42:53,834 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 631 transitions. Word has length 100 [2018-11-07 18:42:53,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:42:53,835 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 631 transitions. [2018-11-07 18:42:53,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 18:42:53,836 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 631 transitions. [2018-11-07 18:42:53,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-07 18:42:53,843 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:42:53,843 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:42:53,843 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:42:53,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:53,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1881867499, now seen corresponding path program 1 times [2018-11-07 18:42:53,844 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:42:53,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:53,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:42:53,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:53,849 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:42:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:42:54,058 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:42:54,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:42:54,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:42:54,058 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:42:54,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:42:54,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:42:54,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:42:54,063 INFO L87 Difference]: Start difference. First operand 383 states and 631 transitions. Second operand 3 states. [2018-11-07 18:42:55,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:42:55,120 INFO L93 Difference]: Finished difference Result 1060 states and 1817 transitions. [2018-11-07 18:42:55,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:42:55,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2018-11-07 18:42:55,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:42:55,133 INFO L225 Difference]: With dead ends: 1060 [2018-11-07 18:42:55,134 INFO L226 Difference]: Without dead ends: 683 [2018-11-07 18:42:55,136 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 18:42:55,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2018-11-07 18:42:55,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 678. [2018-11-07 18:42:55,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2018-11-07 18:42:55,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1078 transitions. [2018-11-07 18:42:55,174 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1078 transitions. Word has length 109 [2018-11-07 18:42:55,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:42:55,174 INFO L480 AbstractCegarLoop]: Abstraction has 678 states and 1078 transitions. [2018-11-07 18:42:55,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:42:55,175 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1078 transitions. [2018-11-07 18:42:55,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-07 18:42:55,180 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:42:55,180 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:55,180 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:42:55,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:55,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1492540793, now seen corresponding path program 1 times [2018-11-07 18:42:55,181 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:42:55,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:55,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:42:55,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:55,183 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:42:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:42:55,381 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-07 18:42:55,381 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:42:55,381 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:42:55,382 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-11-07 18:42:55,384 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [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], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:42:55,441 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:42:55,441 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:42:56,209 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:42:56,211 INFO L272 AbstractInterpreter]: Visited 101 different actions 101 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-11-07 18:42:56,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:56,236 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:42:56,813 INFO L227 lantSequenceWeakener]: Weakened 117 states. On average, predicates are now at 80.87% of their original sizes. [2018-11-07 18:42:56,814 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:42:57,948 INFO L415 sIntCurrentIteration]: We unified 138 AI predicates to 138 [2018-11-07 18:42:57,949 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:42:57,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:42:57,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-11-07 18:42:57,950 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:42:57,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 18:42:57,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 18:42:57,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2018-11-07 18:42:57,951 INFO L87 Difference]: Start difference. First operand 678 states and 1078 transitions. Second operand 15 states. [2018-11-07 18:43:13,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:43:13,445 INFO L93 Difference]: Finished difference Result 1650 states and 2672 transitions. [2018-11-07 18:43:13,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-07 18:43:13,445 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 139 [2018-11-07 18:43:13,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:43:13,452 INFO L225 Difference]: With dead ends: 1650 [2018-11-07 18:43:13,453 INFO L226 Difference]: Without dead ends: 978 [2018-11-07 18:43:13,456 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=204, Invalid=552, Unknown=0, NotChecked=0, Total=756 [2018-11-07 18:43:13,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2018-11-07 18:43:13,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 825. [2018-11-07 18:43:13,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 825 states. [2018-11-07 18:43:13,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1233 transitions. [2018-11-07 18:43:13,492 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1233 transitions. Word has length 139 [2018-11-07 18:43:13,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:43:13,492 INFO L480 AbstractCegarLoop]: Abstraction has 825 states and 1233 transitions. [2018-11-07 18:43:13,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 18:43:13,493 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1233 transitions. [2018-11-07 18:43:13,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-07 18:43:13,496 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:43:13,497 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2018-11-07 18:43:13,497 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:43:13,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:13,498 INFO L82 PathProgramCache]: Analyzing trace with hash -989712890, now seen corresponding path program 1 times [2018-11-07 18:43:13,498 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:43:13,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:13,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:43:13,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:13,499 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:43:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:43:13,688 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 46 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 18:43:13,688 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:43:13,688 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:43:13,688 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-11-07 18:43:13,689 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [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], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:43:13,694 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:43:13,694 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:43:14,393 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:43:14,394 INFO L272 AbstractInterpreter]: Visited 105 different actions 314 times. Merged at 7 different actions 21 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-07 18:43:14,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:14,424 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:43:14,908 INFO L227 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 80.65% of their original sizes. [2018-11-07 18:43:14,909 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:43:15,062 INFO L415 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2018-11-07 18:43:15,063 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:43:15,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:43:15,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2018-11-07 18:43:15,064 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:43:15,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 18:43:15,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 18:43:15,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-11-07 18:43:15,065 INFO L87 Difference]: Start difference. First operand 825 states and 1233 transitions. Second operand 11 states. [2018-11-07 18:43:22,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:43:22,437 INFO L93 Difference]: Finished difference Result 2386 states and 3689 transitions. [2018-11-07 18:43:22,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 18:43:22,438 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 149 [2018-11-07 18:43:22,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:43:22,446 INFO L225 Difference]: With dead ends: 2386 [2018-11-07 18:43:22,447 INFO L226 Difference]: Without dead ends: 1567 [2018-11-07 18:43:22,451 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2018-11-07 18:43:22,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2018-11-07 18:43:22,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1546. [2018-11-07 18:43:22,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1546 states. [2018-11-07 18:43:22,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2082 transitions. [2018-11-07 18:43:22,497 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2082 transitions. Word has length 149 [2018-11-07 18:43:22,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:43:22,498 INFO L480 AbstractCegarLoop]: Abstraction has 1546 states and 2082 transitions. [2018-11-07 18:43:22,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 18:43:22,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2082 transitions. [2018-11-07 18:43:22,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-07 18:43:22,505 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:43:22,505 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:43:22,505 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:43:22,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:22,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1960761734, now seen corresponding path program 1 times [2018-11-07 18:43:22,506 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:43:22,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:22,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:43:22,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:22,507 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:43:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:43:22,789 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:43:22,789 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:43:22,789 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:43:22,789 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-11-07 18:43:22,790 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [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], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:43:22,794 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:43:22,794 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:43:23,039 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:43:23,040 INFO L272 AbstractInterpreter]: Visited 104 different actions 204 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-07 18:43:23,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:23,044 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:43:23,391 INFO L227 lantSequenceWeakener]: Weakened 94 states. On average, predicates are now at 80.49% of their original sizes. [2018-11-07 18:43:23,391 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:43:23,868 INFO L415 sIntCurrentIteration]: We unified 184 AI predicates to 184 [2018-11-07 18:43:23,868 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:43:23,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:43:23,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-11-07 18:43:23,868 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:43:23,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 18:43:23,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 18:43:23,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-11-07 18:43:23,870 INFO L87 Difference]: Start difference. First operand 1546 states and 2082 transitions. Second operand 18 states. [2018-11-07 18:43:36,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:43:36,275 INFO L93 Difference]: Finished difference Result 3833 states and 5220 transitions. [2018-11-07 18:43:36,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 18:43:36,275 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 185 [2018-11-07 18:43:36,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:43:36,287 INFO L225 Difference]: With dead ends: 3833 [2018-11-07 18:43:36,287 INFO L226 Difference]: Without dead ends: 2293 [2018-11-07 18:43:36,293 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 199 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=192, Invalid=864, Unknown=0, NotChecked=0, Total=1056 [2018-11-07 18:43:36,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2293 states. [2018-11-07 18:43:36,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2293 to 2283. [2018-11-07 18:43:36,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2283 states. [2018-11-07 18:43:36,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 2283 states and 2947 transitions. [2018-11-07 18:43:36,354 INFO L78 Accepts]: Start accepts. Automaton has 2283 states and 2947 transitions. Word has length 185 [2018-11-07 18:43:36,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:43:36,355 INFO L480 AbstractCegarLoop]: Abstraction has 2283 states and 2947 transitions. [2018-11-07 18:43:36,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-07 18:43:36,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 2947 transitions. [2018-11-07 18:43:36,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-07 18:43:36,364 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:43:36,364 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:43:36,364 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:43:36,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:36,365 INFO L82 PathProgramCache]: Analyzing trace with hash -345059058, now seen corresponding path program 1 times [2018-11-07 18:43:36,365 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:43:36,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:36,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:43:36,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:36,366 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:43:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:43:36,855 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 18:43:36,855 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:43:36,855 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:43:36,855 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-11-07 18:43:36,856 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [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], [301], [306], [308], [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], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:43:36,861 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:43:36,868 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:43:37,296 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:43:37,296 INFO L272 AbstractInterpreter]: Visited 108 different actions 318 times. Merged at 8 different actions 22 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 18:43:37,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:37,302 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:43:37,302 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:43:37,302 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 18:43:37,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:43:37,311 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:43:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:43:37,420 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:43:37,818 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 18:43:37,819 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:43:38,634 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 18:43:38,655 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:43:38,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-07 18:43:38,656 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:43:38,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 18:43:38,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 18:43:38,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-07 18:43:38,657 INFO L87 Difference]: Start difference. First operand 2283 states and 2947 transitions. Second operand 9 states. [2018-11-07 18:43:39,497 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 18:43:44,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:43:44,327 INFO L93 Difference]: Finished difference Result 7657 states and 10774 transitions. [2018-11-07 18:43:44,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 18:43:44,329 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 208 [2018-11-07 18:43:44,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:43:44,346 INFO L225 Difference]: With dead ends: 7657 [2018-11-07 18:43:44,346 INFO L226 Difference]: Without dead ends: 3182 [2018-11-07 18:43:44,364 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 425 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2018-11-07 18:43:44,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3182 states. [2018-11-07 18:43:44,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3182 to 3035. [2018-11-07 18:43:44,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3035 states. [2018-11-07 18:43:44,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 3523 transitions. [2018-11-07 18:43:44,444 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 3523 transitions. Word has length 208 [2018-11-07 18:43:44,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:43:44,445 INFO L480 AbstractCegarLoop]: Abstraction has 3035 states and 3523 transitions. [2018-11-07 18:43:44,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 18:43:44,445 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 3523 transitions. [2018-11-07 18:43:44,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-07 18:43:44,453 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:43:44,453 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:43:44,453 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:43:44,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:44,454 INFO L82 PathProgramCache]: Analyzing trace with hash 323516658, now seen corresponding path program 1 times [2018-11-07 18:43:44,454 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:43:44,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:44,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:43:44,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:43:44,455 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:43:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:43:45,037 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 113 proven. 46 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 18:43:45,037 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:43:45,037 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:43:45,037 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 219 with the following transitions: [2018-11-07 18:43:45,038 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], [131], [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], [301], [306], [308], [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], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:43:45,042 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:43:45,042 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:43:45,533 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:43:45,533 INFO L272 AbstractInterpreter]: Visited 105 different actions 204 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-07 18:43:45,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:43:45,561 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:43:46,495 INFO L227 lantSequenceWeakener]: Weakened 65 states. On average, predicates are now at 81.11% of their original sizes. [2018-11-07 18:43:46,495 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:43:47,636 INFO L415 sIntCurrentIteration]: We unified 217 AI predicates to 217 [2018-11-07 18:43:47,636 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:43:47,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:43:47,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [10] total 26 [2018-11-07 18:43:47,637 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:43:47,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 18:43:47,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 18:43:47,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2018-11-07 18:43:47,638 INFO L87 Difference]: Start difference. First operand 3035 states and 3523 transitions. Second operand 18 states. [2018-11-07 18:44:04,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:44:04,084 INFO L93 Difference]: Finished difference Result 6792 states and 7868 transitions. [2018-11-07 18:44:04,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-07 18:44:04,084 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 218 [2018-11-07 18:44:04,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:44:04,099 INFO L225 Difference]: With dead ends: 6792 [2018-11-07 18:44:04,099 INFO L226 Difference]: Without dead ends: 3768 [2018-11-07 18:44:04,106 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 230 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=208, Invalid=722, Unknown=0, NotChecked=0, Total=930 [2018-11-07 18:44:04,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3768 states. [2018-11-07 18:44:04,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3768 to 3760. [2018-11-07 18:44:04,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3760 states. [2018-11-07 18:44:04,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3760 states to 3760 states and 4325 transitions. [2018-11-07 18:44:04,197 INFO L78 Accepts]: Start accepts. Automaton has 3760 states and 4325 transitions. Word has length 218 [2018-11-07 18:44:04,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:44:04,197 INFO L480 AbstractCegarLoop]: Abstraction has 3760 states and 4325 transitions. [2018-11-07 18:44:04,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-07 18:44:04,198 INFO L276 IsEmpty]: Start isEmpty. Operand 3760 states and 4325 transitions. [2018-11-07 18:44:04,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-07 18:44:04,206 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:44:04,207 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:44:04,207 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:44:04,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:04,207 INFO L82 PathProgramCache]: Analyzing trace with hash -455193050, now seen corresponding path program 1 times [2018-11-07 18:44:04,208 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:44:04,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:04,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:44:04,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:44:04,209 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:44:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:44:04,448 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:44:04,901 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 160 proven. 71 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-07 18:44:04,901 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:44:04,901 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:44:04,901 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-11-07 18:44:04,902 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [67], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [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], [301], [306], [308], [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], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 18:44:04,904 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:44:04,905 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:44:05,511 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:44:05,512 INFO L272 AbstractInterpreter]: Visited 109 different actions 435 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 18:44:05,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:44:05,519 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:44:05,519 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:44:05,519 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 18:44:05,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:44:05,534 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:44:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:44:05,633 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:44:05,727 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 170 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-07 18:44:05,727 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:44:05,893 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 175 proven. 36 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-07 18:44:05,914 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:44:05,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-11-07 18:44:05,914 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:44:05,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 18:44:05,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 18:44:05,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-11-07 18:44:05,916 INFO L87 Difference]: Start difference. First operand 3760 states and 4325 transitions. Second operand 14 states. [2018-11-07 18:44:09,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:44:09,823 INFO L93 Difference]: Finished difference Result 7055 states and 8375 transitions. [2018-11-07 18:44:09,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-07 18:44:09,824 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 243 [2018-11-07 18:44:09,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:44:09,824 INFO L225 Difference]: With dead ends: 7055 [2018-11-07 18:44:09,824 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 18:44:09,838 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 501 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=489, Invalid=1317, Unknown=0, NotChecked=0, Total=1806 [2018-11-07 18:44:09,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 18:44:09,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 18:44:09,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 18:44:09,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 18:44:09,839 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 243 [2018-11-07 18:44:09,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:44:09,840 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 18:44:09,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 18:44:09,840 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 18:44:09,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 18:44:09,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 18:44:10,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:10,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:10,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:10,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:10,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:10,210 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 166 [2018-11-07 18:44:10,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:10,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:10,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:10,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:10,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:10,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:44:10,355 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 127 [2018-11-07 18:44:10,916 WARN L179 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2018-11-07 18:44:11,407 WARN L179 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2018-11-07 18:44:13,975 WARN L179 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 280 DAG size of output: 99 [2018-11-07 18:44:14,479 WARN L179 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 101 [2018-11-07 18:44:14,838 WARN L179 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 96 [2018-11-07 18:44:14,841 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:44:14,841 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|)) [2018-11-07 18:44:14,841 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:44:14,842 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,842 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,842 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,842 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,842 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,842 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 18:44:14,842 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 18:44:14,842 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 18:44:14,842 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 18:44:14,843 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 18:44:14,843 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 18:44:14,843 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 18:44:14,843 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 18:44:14,843 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 18:44:14,843 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 18:44:14,843 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 18:44:14,843 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 18:44:14,843 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 18:44:14,843 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,843 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,844 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,844 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,844 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,844 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 18:44:14,844 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 18:44:14,844 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 18:44:14,844 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 18:44:14,844 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 18:44:14,844 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 18:44:14,844 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 18:44:14,844 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 18:44:14,844 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 18:44:14,845 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 18:44:14,845 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 18:44:14,845 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 18:44:14,845 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 18:44:14,845 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 18:44:14,845 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 18:44:14,845 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 18:44:14,845 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,845 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,845 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,846 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,846 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,846 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 18:44:14,846 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 18:44:14,846 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 18:44:14,846 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 18:44:14,846 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 18:44:14,846 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 18:44:14,846 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 18:44:14,847 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 18:44:14,847 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 18:44:14,847 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 18:44:14,847 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 18:44:14,847 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,847 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,847 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,847 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,847 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,848 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 18:44:14,848 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 18:44:14,848 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 18:44:14,848 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 18:44:14,848 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 18:44:14,848 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 18:44:14,848 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 18:44:14,848 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 18:44:14,848 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 18:44:14,848 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 18:44:14,848 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 18:44:14,849 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 18:44:14,849 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 18:44:14,849 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,849 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,849 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,849 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,849 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,849 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 18:44:14,850 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 18:44:14,850 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 18:44:14,850 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 18:44:14,850 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 18:44:14,850 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 18:44:14,850 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 18:44:14,850 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 18:44:14,850 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 18:44:14,850 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 18:44:14,850 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 18:44:14,850 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 18:44:14,851 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 18:44:14,851 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 18:44:14,851 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 18:44:14,851 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 18:44:14,851 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,851 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,851 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,851 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,851 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,851 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 18:44:14,851 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 18:44:14,851 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,851 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 18:44:14,851 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 18:44:14,852 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 18:44:14,852 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,852 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,852 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 18:44:14,852 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 18:44:14,852 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 18:44:14,852 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 18:44:14,852 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 18:44:14,852 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 18:44:14,852 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 18:44:14,852 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 18:44:14,853 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 451) no Hoare annotation was computed. [2018-11-07 18:44:14,853 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 18:44:14,853 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 18:44:14,853 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 18:44:14,853 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,853 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,853 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,853 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,853 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,853 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,853 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 18:44:14,853 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 18:44:14,853 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 18:44:14,854 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 18:44:14,854 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 18:44:14,854 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 18:44:14,854 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 18:44:14,854 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 18:44:14,854 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 18:44:14,854 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 18:44:14,854 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 18:44:14,854 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,854 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,854 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,854 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,854 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,854 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,855 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 18:44:14,855 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 18:44:14,855 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 18:44:14,855 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 18:44:14,855 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 18:44:14,855 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 18:44:14,855 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 18:44:14,855 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 18:44:14,855 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 18:44:14,855 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 18:44:14,855 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 18:44:14,855 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 18:44:14,855 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 18:44:14,855 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 18:44:14,856 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,856 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,856 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,856 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,856 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (< |old(~a28~0)| 7)) (.cse23 (not (= 0 |old(~a25~0)|))) (.cse3 (not (= 1 ~a21~0))) (.cse7 (not (= 1 |old(~a19~0)|))) (.cse8 (< 1 |old(~a25~0)|)) (.cse13 (= 1 |old(~a11~0)|))) (let ((.cse9 (not (= 8 |old(~a17~0)|))) (.cse0 (= 1 ~a11~0)) (.cse15 (= |old(~a17~0)| ~a17~0)) (.cse16 (= ~a28~0 |old(~a28~0)|)) (.cse4 (not .cse13)) (.cse12 (<= ~a17~0 |old(~a17~0)|)) (.cse14 (= ~a11~0 |old(~a11~0)|)) (.cse11 (and .cse13 (= |old(~a11~0)| |old(~a19~0)|))) (.cse20 (< 7 |old(~a17~0)|)) (.cse19 (= 1 ~a25~0)) (.cse18 (not (= 1 |old(~a25~0)|))) (.cse2 (< 6 |calculate_output_#in~input|)) (.cse1 (= ~a19~0 1)) (.cse22 (let ((.cse24 (not (= 0 |old(~a11~0)|))) (.cse25 (< 11 |old(~a28~0)|))) (and (or .cse3 .cse7 .cse24 .cse25 .cse5 .cse23) (or .cse3 (< |old(~a28~0)| 8) .cse7 .cse8 .cse24 .cse25)))) (.cse6 (< 10 |old(~a28~0)|)) (.cse21 (= 8 |old(~a28~0)|)) (.cse17 (not (= |old(~a17~0)| 8))) (.cse10 (< |calculate_output_#in~input| 1))) (and (or (and (<= ~a28~0 10) (<= 7 ~a28~0) (<= ~a25~0 1) (<= 0 ~a25~0) .cse0 (= ~a17~0 8) .cse1) .cse2 .cse3 (< |old(~a25~0)| 0) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse11 .cse4 (and .cse12 .cse0 (not (= 1 ~a19~0)))) (or .cse13 (and .cse14 .cse15 .cse16) .cse17) (or .cse11 .cse18 .cse19 .cse4) (or (not (= 10 |old(~a28~0)|)) (and .cse0 .cse15 .cse16) .cse4 .cse20) (or .cse18 (and .cse12 .cse0) .cse4 .cse20) (or .cse2 .cse3 .cse18 .cse19 .cse9 .cse10) (or (and .cse0 .cse15 .cse19 .cse16) .cse18 .cse21 .cse17 .cse4) (or (and .cse12 .cse14) .cse11 .cse20) (or .cse2 .cse18 .cse1 .cse22 .cse17 .cse10) (or .cse18 .cse19 .cse20) (or .cse19 .cse17 (or .cse13 .cse18)) (or .cse2 (and (= ~a25~0 0) .cse1) .cse22 .cse6 .cse21 .cse17 .cse23 .cse10)))) [2018-11-07 18:44:14,856 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,857 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,857 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 18:44:14,857 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 18:44:14,857 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 18:44:14,857 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 18:44:14,857 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 18:44:14,857 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 18:44:14,857 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 18:44:14,857 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 18:44:14,858 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 18:44:14,858 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 18:44:14,858 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 18:44:14,858 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 18:44:14,858 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 18:44:14,858 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,858 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,858 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,858 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,858 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,858 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,858 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 18:44:14,858 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 18:44:14,859 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 18:44:14,859 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 18:44:14,859 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 18:44:14,859 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 18:44:14,859 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 18:44:14,859 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 18:44:14,859 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 18:44:14,859 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 18:44:14,859 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 18:44:14,859 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 18:44:14,859 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 18:44:14,859 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 18:44:14,859 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 18:44:14,859 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-07 18:44:14,860 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,860 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,860 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,860 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,860 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 18:44:14,860 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 18:44:14,860 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 18:44:14,860 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 18:44:14,860 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 18:44:14,860 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 18:44:14,860 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 18:44:14,860 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 18:44:14,860 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 18:44:14,860 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 18:44:14,861 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 18:44:14,861 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 18:44:14,861 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 18:44:14,861 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 18:44:14,861 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 18:44:14,861 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 18:44:14,861 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 18:44:14,861 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 18:44:14,861 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 18:44:14,861 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 18:44:14,861 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:44:14,861 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 18:44:14,862 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 18:44:14,862 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:44:14,862 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (and (= ~a25~0 0) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8)) (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 18:44:14,862 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 18:44:14,862 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 1 ~a11~0)) (.cse1 (= |old(~a17~0)| ~a17~0)) (.cse3 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse2 (= 1 ~a25~0)) (.cse4 (<= ~a17~0 7))) (or (and .cse0 .cse1 .cse2) (and (<= ~a28~0 10) (<= 7 ~a28~0) (<= ~a25~0 1) (<= 0 ~a25~0) .cse0 (= ~a17~0 8)) (and (<= ~a17~0 |old(~a17~0)|) .cse0 .cse3) (not (= |old(~a11~0)| 0)) (and (= ~a11~0 |old(~a11~0)|) .cse1) (not (= ~v~0 22)) (not (= ~u~0 21)) (and .cse4 .cse3) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse4 .cse2) (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)|)) (and .cse4 (= 10 ~a28~0)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23)))) [2018-11-07 18:44:14,862 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 18:44:14,862 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 18:44:14,863 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (= |old(~a17~0)| ~a17~0)) (.cse3 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse2 (= 1 ~a25~0)) (.cse0 (= 1 ~a11~0)) (.cse4 (<= ~a17~0 7))) (or (and .cse0 .cse1 .cse2 (not (= ~a28~0 8))) (and (<= ~a17~0 |old(~a17~0)|) .cse0 .cse3) (not (= |old(~a11~0)| 0)) (and (= ~a11~0 |old(~a11~0)|) .cse1) (not (= ~v~0 22)) (not (= ~u~0 21)) (and .cse4 .cse3) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse4 .cse2) (and (<= 1 main_~input~0) (<= main_~input~0 6) (<= ~a28~0 10) (<= 7 ~a28~0) (<= ~a25~0 1) (<= 0 ~a25~0) .cse0 (= ~a17~0 8)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (and .cse4 (= 10 ~a28~0)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23)))) [2018-11-07 18:44:14,863 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 18:44:14,863 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 18:44:14,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:44:14 BoogieIcfgContainer [2018-11-07 18:44:14,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 18:44:14,877 INFO L168 Benchmark]: Toolchain (without parser) took 88855.94 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.7 GB in the end (delta: -2.2 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-11-07 18:44:14,879 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:44:14,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 18:44:14,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -821.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2018-11-07 18:44:14,881 INFO L168 Benchmark]: Boogie Preprocessor took 89.89 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2018-11-07 18:44:14,882 INFO L168 Benchmark]: RCFGBuilder took 3105.03 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 7.1 GB. [2018-11-07 18:44:14,882 INFO L168 Benchmark]: TraceAbstraction took 84719.91 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-11-07 18:44:14,887 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 790.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 144.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -821.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.89 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3105.03 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 84719.91 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 451]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((1 == a11 && \old(a17) == a17) && 1 == a25) || (((((a28 <= 10 && 7 <= a28) && a25 <= 1) && 0 <= a25) && 1 == a11) && a17 == 8)) || ((a17 <= \old(a17) && 1 == a11) && (!(a19 == a11) || !(1 == a19)))) || !(\old(a11) == 0)) || (a11 == \old(a11) && \old(a17) == a17)) || !(v == 22)) || !(u == 21)) || (a17 <= 7 && (!(a19 == a11) || !(1 == a19)))) || !(a21 == 1)) || !(y == 25)) || (a17 <= 7 && 1 == a25)) || !(3 == c)) || !(\old(a25) == 0)) || !(\old(a28) == 7)) || !(a == 1)) || !(26 == z)) || !(1 == \old(a19))) || !(x == 24)) || !(8 == \old(a17))) || (a17 <= 7 && 10 == a28)) || !(e == 5)) || !(d == 4)) || !(6 == f)) || !(w == 23) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 84.6s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 64.9s AutomataDifference, 0.0s DeadEndRemovalTime, 4.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1523 SDtfs, 10676 SDslu, 1846 SDs, 0 SdLazy, 13345 SolverSat, 2835 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.3s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1742 GetRequests, 1564 SyntacticMatches, 6 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1144 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3760occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.4s AbstIntTime, 6 AbstIntIterations, 4 AbstIntStrong, 0.9970725027622022 AbsIntWeakeningRatio, 0.22416302765647744 AbsIntAvgWeakeningVarsNumRemoved, 18.37117903930131 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 506 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 121 PreInvPairs, 199 NumberOfFragments, 874 HoareAnnotationTreeSize, 121 FomulaSimplifications, 13484 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6364 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 1802 NumberOfCodeBlocks, 1802 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2241 ConstructedInterpolants, 0 QuantifiedInterpolants, 1040359 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1104 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 1383/1565 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...