java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label35_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 08:24:25,287 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 08:24:25,289 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 08:24:25,305 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 08:24:25,305 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 08:24:25,306 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 08:24:25,308 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 08:24:25,310 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 08:24:25,312 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 08:24:25,313 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 08:24:25,314 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 08:24:25,314 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 08:24:25,315 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 08:24:25,316 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 08:24:25,317 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 08:24:25,318 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 08:24:25,319 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 08:24:25,321 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 08:24:25,323 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 08:24:25,325 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 08:24:25,326 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 08:24:25,329 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 08:24:25,332 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 08:24:25,333 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 08:24:25,334 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 08:24:25,337 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 08:24:25,340 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 08:24:25,341 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 08:24:25,342 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 08:24:25,344 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 08:24:25,344 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 08:24:25,345 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 08:24:25,345 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 08:24:25,345 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 08:24:25,346 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 08:24:25,347 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 08:24:25,347 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 08:24:25,367 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 08:24:25,367 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 08:24:25,368 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 08:24:25,368 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 08:24:25,368 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 08:24:25,369 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 08:24:25,369 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 08:24:25,369 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 08:24:25,369 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 08:24:25,369 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 08:24:25,370 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 08:24:25,370 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 08:24:25,370 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 08:24:25,370 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 08:24:25,371 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 08:24:25,371 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 08:24:25,371 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 08:24:25,372 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 08:24:25,372 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 08:24:25,372 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 08:24:25,372 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 08:24:25,372 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 08:24:25,373 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 08:24:25,373 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 08:24:25,373 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 08:24:25,373 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 08:24:25,373 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 08:24:25,374 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 08:24:25,374 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 08:24:25,374 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 08:24:25,374 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 08:24:25,374 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 08:24:25,374 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 08:24:25,375 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 08:24:25,375 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 08:24:25,375 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 08:24:25,421 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 08:24:25,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 08:24:25,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 08:24:25,443 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 08:24:25,443 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 08:24:25,444 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label35_true-unreach-call.c [2018-11-07 08:24:25,514 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4f909dc7/7723c37ec7f4457da252b99b9f8ca245/FLAG80afa15b0 [2018-11-07 08:24:26,071 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 08:24:26,072 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label35_true-unreach-call.c [2018-11-07 08:24:26,089 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4f909dc7/7723c37ec7f4457da252b99b9f8ca245/FLAG80afa15b0 [2018-11-07 08:24:26,106 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4f909dc7/7723c37ec7f4457da252b99b9f8ca245 [2018-11-07 08:24:26,118 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 08:24:26,120 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 08:24:26,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 08:24:26,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 08:24:26,125 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 08:24:26,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:24:26" (1/1) ... [2018-11-07 08:24:26,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbb7b86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:26, skipping insertion in model container [2018-11-07 08:24:26,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:24:26" (1/1) ... [2018-11-07 08:24:26,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 08:24:26,194 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 08:24:26,663 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 08:24:26,667 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 08:24:26,799 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 08:24:26,816 INFO L193 MainTranslator]: Completed translation [2018-11-07 08:24:26,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:26 WrapperNode [2018-11-07 08:24:26,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 08:24:26,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 08:24:26,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 08:24:26,818 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 08:24:26,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:26" (1/1) ... [2018-11-07 08:24:26,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:26" (1/1) ... [2018-11-07 08:24:26,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 08:24:26,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 08:24:26,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 08:24:26,949 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 08:24:26,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:26" (1/1) ... [2018-11-07 08:24:26,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:26" (1/1) ... [2018-11-07 08:24:26,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:26" (1/1) ... [2018-11-07 08:24:26,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:26" (1/1) ... [2018-11-07 08:24:27,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:26" (1/1) ... [2018-11-07 08:24:27,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:26" (1/1) ... [2018-11-07 08:24:27,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:26" (1/1) ... [2018-11-07 08:24:27,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 08:24:27,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 08:24:27,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 08:24:27,057 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 08:24:27,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:26" (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 08:24:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 08:24:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 08:24:27,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 08:24:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 08:24:27,127 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 08:24:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 08:24:27,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 08:24:27,129 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 08:24:27,129 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 08:24:30,303 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 08:24:30,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:24:30 BoogieIcfgContainer [2018-11-07 08:24:30,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 08:24:30,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 08:24:30,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 08:24:30,308 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 08:24:30,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:24:26" (1/3) ... [2018-11-07 08:24:30,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c478c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:24:30, skipping insertion in model container [2018-11-07 08:24:30,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:26" (2/3) ... [2018-11-07 08:24:30,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c478c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:24:30, skipping insertion in model container [2018-11-07 08:24:30,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:24:30" (3/3) ... [2018-11-07 08:24:30,312 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label35_true-unreach-call.c [2018-11-07 08:24:30,320 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 08:24:30,328 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 08:24:30,343 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 08:24:30,382 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 08:24:30,382 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 08:24:30,382 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 08:24:30,383 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 08:24:30,383 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 08:24:30,384 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 08:24:30,384 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 08:24:30,385 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 08:24:30,419 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-07 08:24:30,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-07 08:24:30,428 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:24:30,429 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] [2018-11-07 08:24:30,432 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:24:30,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:30,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1718908404, now seen corresponding path program 1 times [2018-11-07 08:24:30,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:24:30,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:30,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:30,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:30,489 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:24:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:30,977 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 08:24:30,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:24:30,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 08:24:30,981 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:24:30,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 08:24:31,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 08:24:31,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 08:24:31,012 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-07 08:24:32,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:24:32,951 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-07 08:24:32,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 08:24:32,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-11-07 08:24:32,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:24:32,974 INFO L225 Difference]: With dead ends: 574 [2018-11-07 08:24:32,975 INFO L226 Difference]: Without dead ends: 356 [2018-11-07 08:24:32,990 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 08:24:33,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-07 08:24:33,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-07 08:24:33,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-07 08:24:33,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-07 08:24:33,079 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 58 [2018-11-07 08:24:33,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:24:33,080 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-07 08:24:33,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 08:24:33,080 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-07 08:24:33,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-07 08:24:33,095 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:24:33,096 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 08:24:33,096 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:24:33,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:33,098 INFO L82 PathProgramCache]: Analyzing trace with hash -2064846773, now seen corresponding path program 1 times [2018-11-07 08:24:33,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:24:33,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:33,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:33,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:33,100 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:24:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:33,481 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:24:33,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:24:33,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 08:24:33,482 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:24:33,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 08:24:33,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 08:24:33,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 08:24:33,485 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 5 states. [2018-11-07 08:24:36,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:24:36,062 INFO L93 Difference]: Finished difference Result 1287 states and 2312 transitions. [2018-11-07 08:24:36,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 08:24:36,062 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2018-11-07 08:24:36,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:24:36,072 INFO L225 Difference]: With dead ends: 1287 [2018-11-07 08:24:36,072 INFO L226 Difference]: Without dead ends: 937 [2018-11-07 08:24:36,076 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 08:24:36,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2018-11-07 08:24:36,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 924. [2018-11-07 08:24:36,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2018-11-07 08:24:36,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1441 transitions. [2018-11-07 08:24:36,141 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1441 transitions. Word has length 141 [2018-11-07 08:24:36,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:24:36,142 INFO L480 AbstractCegarLoop]: Abstraction has 924 states and 1441 transitions. [2018-11-07 08:24:36,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 08:24:36,143 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1441 transitions. [2018-11-07 08:24:36,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-07 08:24:36,154 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:24:36,154 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 08:24:36,155 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:24:36,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:36,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1308524843, now seen corresponding path program 1 times [2018-11-07 08:24:36,155 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:24:36,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:36,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:36,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:36,157 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:24:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:36,447 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:24:36,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:24:36,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 08:24:36,448 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:24:36,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 08:24:36,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 08:24:36,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 08:24:36,449 INFO L87 Difference]: Start difference. First operand 924 states and 1441 transitions. Second operand 6 states. [2018-11-07 08:24:40,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:24:40,428 INFO L93 Difference]: Finished difference Result 2533 states and 4079 transitions. [2018-11-07 08:24:40,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 08:24:40,429 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2018-11-07 08:24:40,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:24:40,445 INFO L225 Difference]: With dead ends: 2533 [2018-11-07 08:24:40,446 INFO L226 Difference]: Without dead ends: 1615 [2018-11-07 08:24:40,454 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 08:24:40,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1615 states. [2018-11-07 08:24:40,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1615 to 1584. [2018-11-07 08:24:40,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1584 states. [2018-11-07 08:24:40,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2317 transitions. [2018-11-07 08:24:40,534 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2317 transitions. Word has length 157 [2018-11-07 08:24:40,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:24:40,534 INFO L480 AbstractCegarLoop]: Abstraction has 1584 states and 2317 transitions. [2018-11-07 08:24:40,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 08:24:40,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2317 transitions. [2018-11-07 08:24:40,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-07 08:24:40,544 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:24:40,544 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:24:40,544 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:24:40,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:40,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1203673723, now seen corresponding path program 1 times [2018-11-07 08:24:40,545 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:24:40,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:40,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:40,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:40,547 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:24:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:40,837 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:24:40,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:24:40,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 08:24:40,837 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:24:40,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 08:24:40,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 08:24:40,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 08:24:40,839 INFO L87 Difference]: Start difference. First operand 1584 states and 2317 transitions. Second operand 6 states. [2018-11-07 08:24:42,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:24:42,256 INFO L93 Difference]: Finished difference Result 3504 states and 5314 transitions. [2018-11-07 08:24:42,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 08:24:42,257 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 181 [2018-11-07 08:24:42,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:24:42,273 INFO L225 Difference]: With dead ends: 3504 [2018-11-07 08:24:42,273 INFO L226 Difference]: Without dead ends: 1926 [2018-11-07 08:24:42,280 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 08:24:42,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1926 states. [2018-11-07 08:24:42,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1926 to 1885. [2018-11-07 08:24:42,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1885 states. [2018-11-07 08:24:42,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1885 states and 2677 transitions. [2018-11-07 08:24:42,342 INFO L78 Accepts]: Start accepts. Automaton has 1885 states and 2677 transitions. Word has length 181 [2018-11-07 08:24:42,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:24:42,343 INFO L480 AbstractCegarLoop]: Abstraction has 1885 states and 2677 transitions. [2018-11-07 08:24:42,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 08:24:42,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2677 transitions. [2018-11-07 08:24:42,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-07 08:24:42,352 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:24:42,352 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 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 08:24:42,353 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:24:42,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:42,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1057306172, now seen corresponding path program 1 times [2018-11-07 08:24:42,353 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:24:42,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:42,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:42,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:42,355 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:24:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:42,888 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 171 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:24:42,889 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:24:42,889 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:24:42,890 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 213 with the following transitions: [2018-11-07 08:24:42,892 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:24:42,940 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:24:42,940 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:24:44,102 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 08:24:44,105 INFO L272 AbstractInterpreter]: Visited 92 different actions 352 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 08:24:44,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:44,157 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 08:24:44,157 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:24:44,158 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 08:24:44,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:44,173 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 08:24:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:44,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 08:24:44,810 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 171 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:24:44,810 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 08:24:45,071 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-07 08:24:45,574 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 171 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:24:45,647 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 08:24:45,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-07 08:24:45,648 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 08:24:45,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 08:24:45,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 08:24:45,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-07 08:24:45,650 INFO L87 Difference]: Start difference. First operand 1885 states and 2677 transitions. Second operand 9 states. [2018-11-07 08:24:49,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:24:49,962 INFO L93 Difference]: Finished difference Result 5482 states and 8945 transitions. [2018-11-07 08:24:49,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 08:24:49,968 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 212 [2018-11-07 08:24:49,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:24:49,969 INFO L225 Difference]: With dead ends: 5482 [2018-11-07 08:24:49,969 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 08:24:50,031 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 427 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2018-11-07 08:24:50,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 08:24:50,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 08:24:50,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 08:24:50,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 08:24:50,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2018-11-07 08:24:50,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:24:50,033 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 08:24:50,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 08:24:50,033 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 08:24:50,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 08:24:50,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 08:24:50,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:24:50,518 WARN L179 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2018-11-07 08:24:51,066 WARN L179 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 21 [2018-11-07 08:24:52,414 WARN L179 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 68 DAG size of output: 20 [2018-11-07 08:24:52,692 WARN L179 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 22 [2018-11-07 08:24:52,834 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 22 [2018-11-07 08:24:52,837 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 08:24:52,838 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-07 08:24:52,838 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 08:24:52,838 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-07 08:24:52,838 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,838 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,838 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,838 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,839 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,839 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,839 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-07 08:24:52,839 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-07 08:24:52,839 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-07 08:24:52,839 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-07 08:24:52,839 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-07 08:24:52,840 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-07 08:24:52,840 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-07 08:24:52,840 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-07 08:24:52,840 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-07 08:24:52,840 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-07 08:24:52,840 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-07 08:24:52,840 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,840 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,840 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,841 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,841 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,841 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-07 08:24:52,841 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-07 08:24:52,841 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-07 08:24:52,841 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-07 08:24:52,841 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-07 08:24:52,842 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-07 08:24:52,842 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-07 08:24:52,842 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-07 08:24:52,842 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-07 08:24:52,842 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-07 08:24:52,842 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-07 08:24:52,842 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-07 08:24:52,842 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-07 08:24:52,843 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-07 08:24:52,843 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,843 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,843 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,843 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,843 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,843 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-07 08:24:52,843 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-07 08:24:52,843 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-07 08:24:52,844 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-07 08:24:52,844 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-07 08:24:52,844 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-07 08:24:52,844 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-07 08:24:52,844 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-07 08:24:52,844 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-07 08:24:52,844 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-07 08:24:52,844 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,844 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,845 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,845 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,845 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,845 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-07 08:24:52,845 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-07 08:24:52,845 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-07 08:24:52,845 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-07 08:24:52,845 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-07 08:24:52,846 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-07 08:24:52,846 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-07 08:24:52,846 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-07 08:24:52,846 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-07 08:24:52,846 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-07 08:24:52,846 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-07 08:24:52,846 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-07 08:24:52,846 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-07 08:24:52,846 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,847 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,847 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,847 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,847 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,847 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-07 08:24:52,847 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-07 08:24:52,847 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-07 08:24:52,847 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-07 08:24:52,848 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-07 08:24:52,848 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-07 08:24:52,848 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-07 08:24:52,848 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-07 08:24:52,848 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-07 08:24:52,848 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,848 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,848 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,848 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,849 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,849 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,849 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,849 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-07 08:24:52,849 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-07 08:24:52,849 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-07 08:24:52,849 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-07 08:24:52,849 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-07 08:24:52,850 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-07 08:24:52,850 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-07 08:24:52,850 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-07 08:24:52,850 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-07 08:24:52,850 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-07 08:24:52,850 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-07 08:24:52,850 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-07 08:24:52,850 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-07 08:24:52,850 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,851 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,851 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,851 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,851 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,851 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-07 08:24:52,851 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,851 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-07 08:24:52,851 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-07 08:24:52,852 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-07 08:24:52,852 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-07 08:24:52,852 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-07 08:24:52,852 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-07 08:24:52,852 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-07 08:24:52,852 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-07 08:24:52,852 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-07 08:24:52,852 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-07 08:24:52,853 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-07 08:24:52,853 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-07 08:24:52,853 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-07 08:24:52,854 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,854 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,854 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,854 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,855 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,855 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,855 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-07 08:24:52,855 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-07 08:24:52,855 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-07 08:24:52,855 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-07 08:24:52,855 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-07 08:24:52,855 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-07 08:24:52,855 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-07 08:24:52,856 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-07 08:24:52,856 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-07 08:24:52,856 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-07 08:24:52,856 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-07 08:24:52,856 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)))) (and (or (= 7 |old(~a19~0)|) (= 10 |old(~a19~0)|) .cse0) (or .cse0 (< 2 |old(~a10~0)|)))) [2018-11-07 08:24:52,857 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-07 08:24:52,857 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-07 08:24:52,857 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-07 08:24:52,857 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,857 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,857 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,857 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,857 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,858 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,858 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-07 08:24:52,858 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-07 08:24:52,858 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-07 08:24:52,858 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-07 08:24:52,858 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-07 08:24:52,858 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-07 08:24:52,858 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-07 08:24:52,859 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-07 08:24:52,859 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-07 08:24:52,859 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-07 08:24:52,859 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-07 08:24:52,859 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-07 08:24:52,859 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-07 08:24:52,859 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,859 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,860 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,860 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,860 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,860 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,860 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-07 08:24:52,860 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-07 08:24:52,860 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-07 08:24:52,860 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-07 08:24:52,860 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-07 08:24:52,861 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-07 08:24:52,861 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-07 08:24:52,861 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-07 08:24:52,861 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-07 08:24:52,861 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2018-11-07 08:24:52,861 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-07 08:24:52,861 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-07 08:24:52,861 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-07 08:24:52,862 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,862 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,862 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,862 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,862 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,862 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:24:52,862 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-07 08:24:52,862 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-07 08:24:52,862 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-07 08:24:52,862 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-07 08:24:52,862 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-07 08:24:52,862 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-07 08:24:52,863 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-07 08:24:52,863 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-07 08:24:52,863 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-07 08:24:52,863 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-07 08:24:52,863 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-07 08:24:52,863 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-07 08:24:52,863 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 08:24:52,863 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a1~0 23) (not (= ~a19~0 7)) (not (= ~a19~0 10)) (<= ~a10~0 2)) [2018-11-07 08:24:52,863 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 08:24:52,863 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 08:24:52,863 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (= 7 |old(~a19~0)|) (= 10 |old(~a19~0)|) (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) (< 2 |old(~a10~0)|) (< 23 |old(~a1~0)|)) [2018-11-07 08:24:52,864 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-07 08:24:52,864 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (and (not (= ~a19~0 7)) (not (= ~a19~0 10))) (= 10 |old(~a19~0)|) (<= ~a10~0 2) (< 2 |old(~a10~0)|) (< 23 |old(~a1~0)|) (= 7 |old(~a19~0)|)) [2018-11-07 08:24:52,864 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-07 08:24:52,864 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-07 08:24:52,864 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-07 08:24:52,864 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (or (and (not (= ~a19~0 7)) (not (= ~a19~0 10))) (= 10 |old(~a19~0)|) (<= ~a10~0 2) (< 2 |old(~a10~0)|) (< 23 |old(~a1~0)|) (= 7 |old(~a19~0)|)) [2018-11-07 08:24:52,864 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-07 08:24:52,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:24:52 BoogieIcfgContainer [2018-11-07 08:24:52,880 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 08:24:52,881 INFO L168 Benchmark]: Toolchain (without parser) took 26762.79 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -619.4 MB). Peak memory consumption was 452.7 MB. Max. memory is 7.1 GB. [2018-11-07 08:24:52,882 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 08:24:52,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-07 08:24:52,884 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.24 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 718.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -815.2 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2018-11-07 08:24:52,885 INFO L168 Benchmark]: Boogie Preprocessor took 108.05 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2018-11-07 08:24:52,885 INFO L168 Benchmark]: RCFGBuilder took 3246.90 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 107.6 MB). Peak memory consumption was 107.6 MB. Max. memory is 7.1 GB. [2018-11-07 08:24:52,886 INFO L168 Benchmark]: TraceAbstraction took 22575.79 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 353.4 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 32.0 MB). Peak memory consumption was 385.4 MB. Max. memory is 7.1 GB. [2018-11-07 08:24:52,892 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 130.24 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 718.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -815.2 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.05 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3246.90 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 107.6 MB). Peak memory consumption was 107.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22575.79 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 353.4 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 32.0 MB). Peak memory consumption was 385.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 157]: 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: 582]: Loop Invariant Derived loop invariant: (((((!(a19 == 7) && !(a19 == 10)) || 10 == \old(a19)) || a10 <= 2) || 2 < \old(a10)) || 23 < \old(a1)) || 7 == \old(a19) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 22.4s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 14.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 457 SDtfs, 3627 SDslu, 560 SDs, 0 SdLazy, 5382 SolverSat, 1399 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 480 GetRequests, 436 SyntacticMatches, 5 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1885occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.2s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 85 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 73 PreInvPairs, 165 NumberOfFragments, 138 HoareAnnotationTreeSize, 73 FomulaSimplifications, 3902 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2101 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 961 NumberOfCodeBlocks, 961 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1166 ConstructedInterpolants, 0 QuantifiedInterpolants, 687749 SizeOfPredicates, 0 NumberOfNonLiveVariables, 387 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 666/672 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...