java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-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/Problem01_label06_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 23:59:17,811 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 23:59:17,813 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 23:59:17,824 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 23:59:17,825 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 23:59:17,826 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 23:59:17,827 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 23:59:17,829 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 23:59:17,830 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 23:59:17,831 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 23:59:17,832 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 23:59:17,832 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 23:59:17,833 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 23:59:17,834 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 23:59:17,835 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 23:59:17,836 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 23:59:17,837 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 23:59:17,839 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 23:59:17,841 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 23:59:17,842 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 23:59:17,843 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 23:59:17,844 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 23:59:17,847 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 23:59:17,847 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 23:59:17,847 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 23:59:17,848 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 23:59:17,849 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 23:59:17,850 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 23:59:17,851 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 23:59:17,852 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 23:59:17,852 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 23:59:17,853 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-24 23:59:17,855 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-24 23:59:17,877 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 23:59:17,881 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 23:59:17,881 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 23:59:17,882 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 23:59:17,882 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 23:59:17,882 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 23:59:17,882 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-24 23:59:17,882 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 23:59:17,883 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-24 23:59:17,883 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 23:59:17,883 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 23:59:17,884 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 23:59:17,884 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 23:59:17,884 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 23:59:17,885 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 23:59:17,885 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 23:59:17,885 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 23:59:17,885 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 23:59:17,885 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 23:59:17,885 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 23:59:17,886 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 23:59:17,887 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 23:59:17,887 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 23:59:17,887 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 23:59:17,887 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 23:59:17,887 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 23:59:17,888 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 23:59:17,888 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 23:59:17,888 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 23:59:17,888 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 23:59:17,889 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 23:59:17,889 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 23:59:17,889 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 23:59:17,889 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 23:59:17,890 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 23:59:17,890 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 23:59:17,948 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 23:59:17,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 23:59:17,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 23:59:17,965 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 23:59:17,965 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 23:59:17,966 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c [2018-10-24 23:59:18,022 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a03042a0d/7c1fe956333d4f35966bbd3c42c8b4ff/FLAG3caec4af6 [2018-10-24 23:59:18,559 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 23:59:18,560 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c [2018-10-24 23:59:18,582 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a03042a0d/7c1fe956333d4f35966bbd3c42c8b4ff/FLAG3caec4af6 [2018-10-24 23:59:18,603 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a03042a0d/7c1fe956333d4f35966bbd3c42c8b4ff [2018-10-24 23:59:18,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 23:59:18,616 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 23:59:18,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 23:59:18,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 23:59:18,622 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 23:59:18,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:59:18" (1/1) ... [2018-10-24 23:59:18,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a25570f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:18, skipping insertion in model container [2018-10-24 23:59:18,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:59:18" (1/1) ... [2018-10-24 23:59:18,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 23:59:18,709 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 23:59:19,163 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:59:19,168 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 23:59:19,279 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:59:19,299 INFO L193 MainTranslator]: Completed translation [2018-10-24 23:59:19,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:19 WrapperNode [2018-10-24 23:59:19,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 23:59:19,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 23:59:19,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 23:59:19,301 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 23:59:19,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:19" (1/1) ... [2018-10-24 23:59:19,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:19" (1/1) ... [2018-10-24 23:59:19,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 23:59:19,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 23:59:19,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 23:59:19,514 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 23:59:19,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:19" (1/1) ... [2018-10-24 23:59:19,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:19" (1/1) ... [2018-10-24 23:59:19,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:19" (1/1) ... [2018-10-24 23:59:19,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:19" (1/1) ... [2018-10-24 23:59:19,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:19" (1/1) ... [2018-10-24 23:59:19,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:19" (1/1) ... [2018-10-24 23:59:19,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:19" (1/1) ... [2018-10-24 23:59:19,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 23:59:19,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 23:59:19,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 23:59:19,598 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 23:59:19,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 23:59:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 23:59:19,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 23:59:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 23:59:19,663 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 23:59:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 23:59:19,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 23:59:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 23:59:19,664 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 23:59:23,006 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 23:59:23,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:59:23 BoogieIcfgContainer [2018-10-24 23:59:23,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 23:59:23,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 23:59:23,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 23:59:23,016 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 23:59:23,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:59:18" (1/3) ... [2018-10-24 23:59:23,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26eb08a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:59:23, skipping insertion in model container [2018-10-24 23:59:23,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:59:19" (2/3) ... [2018-10-24 23:59:23,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26eb08a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:59:23, skipping insertion in model container [2018-10-24 23:59:23,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:59:23" (3/3) ... [2018-10-24 23:59:23,021 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label06_true-unreach-call_false-termination.c [2018-10-24 23:59:23,032 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 23:59:23,044 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 23:59:23,064 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 23:59:23,115 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 23:59:23,116 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 23:59:23,116 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 23:59:23,116 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 23:59:23,116 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 23:59:23,117 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 23:59:23,117 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 23:59:23,117 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 23:59:23,159 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-10-24 23:59:23,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-24 23:59:23,180 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:23,182 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:59:23,184 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:23,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:23,192 INFO L82 PathProgramCache]: Analyzing trace with hash 482475453, now seen corresponding path program 1 times [2018-10-24 23:59:23,194 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:23,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:23,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:23,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:23,245 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:23,846 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 23:59:24,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:59:24,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:59:24,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 23:59:24,006 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:59:24,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 23:59:24,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 23:59:24,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:59:24,031 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-10-24 23:59:25,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:59:25,585 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-10-24 23:59:25,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 23:59:25,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2018-10-24 23:59:25,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:59:25,625 INFO L225 Difference]: With dead ends: 550 [2018-10-24 23:59:25,626 INFO L226 Difference]: Without dead ends: 340 [2018-10-24 23:59:25,635 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:59:25,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-10-24 23:59:25,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-10-24 23:59:25,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-24 23:59:25,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 541 transitions. [2018-10-24 23:59:25,753 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 541 transitions. Word has length 131 [2018-10-24 23:59:25,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:59:25,754 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 541 transitions. [2018-10-24 23:59:25,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 23:59:25,757 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 541 transitions. [2018-10-24 23:59:25,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-24 23:59:25,767 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:25,769 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:59:25,769 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:25,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:25,770 INFO L82 PathProgramCache]: Analyzing trace with hash -359292034, now seen corresponding path program 1 times [2018-10-24 23:59:25,770 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:25,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:25,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:25,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:25,780 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:26,003 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 23:59:26,053 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:59:26,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:59:26,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 23:59:26,054 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:59:26,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 23:59:26,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 23:59:26,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 23:59:26,057 INFO L87 Difference]: Start difference. First operand 340 states and 541 transitions. Second operand 6 states. [2018-10-24 23:59:27,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:59:27,835 INFO L93 Difference]: Finished difference Result 1075 states and 1784 transitions. [2018-10-24 23:59:27,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 23:59:27,839 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 142 [2018-10-24 23:59:27,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:59:27,847 INFO L225 Difference]: With dead ends: 1075 [2018-10-24 23:59:27,848 INFO L226 Difference]: Without dead ends: 741 [2018-10-24 23:59:27,854 INFO L605 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 [2018-10-24 23:59:27,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-10-24 23:59:27,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-10-24 23:59:27,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-10-24 23:59:27,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1120 transitions. [2018-10-24 23:59:27,904 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1120 transitions. Word has length 142 [2018-10-24 23:59:27,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:59:27,904 INFO L481 AbstractCegarLoop]: Abstraction has 724 states and 1120 transitions. [2018-10-24 23:59:27,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 23:59:27,905 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1120 transitions. [2018-10-24 23:59:27,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-24 23:59:27,910 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:27,910 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:59:27,910 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:27,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:27,911 INFO L82 PathProgramCache]: Analyzing trace with hash -879449942, now seen corresponding path program 1 times [2018-10-24 23:59:27,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:27,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:27,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:27,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:27,913 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:28,455 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:59:28,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:59:28,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 23:59:28,456 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:59:28,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 23:59:28,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 23:59:28,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-24 23:59:28,457 INFO L87 Difference]: Start difference. First operand 724 states and 1120 transitions. Second operand 5 states. [2018-10-24 23:59:30,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:59:30,650 INFO L93 Difference]: Finished difference Result 1578 states and 2483 transitions. [2018-10-24 23:59:30,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 23:59:30,651 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2018-10-24 23:59:30,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:59:30,664 INFO L225 Difference]: With dead ends: 1578 [2018-10-24 23:59:30,664 INFO L226 Difference]: Without dead ends: 721 [2018-10-24 23:59:30,668 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-24 23:59:30,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-10-24 23:59:30,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-10-24 23:59:30,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-10-24 23:59:30,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1044 transitions. [2018-10-24 23:59:30,713 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1044 transitions. Word has length 143 [2018-10-24 23:59:30,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:59:30,713 INFO L481 AbstractCegarLoop]: Abstraction has 721 states and 1044 transitions. [2018-10-24 23:59:30,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 23:59:30,714 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1044 transitions. [2018-10-24 23:59:30,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-24 23:59:30,718 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:30,718 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:59:30,718 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:30,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:30,719 INFO L82 PathProgramCache]: Analyzing trace with hash 353210034, now seen corresponding path program 1 times [2018-10-24 23:59:30,719 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:30,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:30,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:30,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:30,721 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:30,898 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:59:30,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:59:30,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 23:59:30,899 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:59:30,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 23:59:30,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 23:59:30,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:59:30,901 INFO L87 Difference]: Start difference. First operand 721 states and 1044 transitions. Second operand 3 states. [2018-10-24 23:59:32,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:59:32,500 INFO L93 Difference]: Finished difference Result 1871 states and 2749 transitions. [2018-10-24 23:59:32,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 23:59:32,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2018-10-24 23:59:32,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:59:32,514 INFO L225 Difference]: With dead ends: 1871 [2018-10-24 23:59:32,515 INFO L226 Difference]: Without dead ends: 1156 [2018-10-24 23:59:32,518 INFO L605 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 [2018-10-24 23:59:32,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2018-10-24 23:59:32,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1153. [2018-10-24 23:59:32,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1153 states. [2018-10-24 23:59:32,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1553 transitions. [2018-10-24 23:59:32,564 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1553 transitions. Word has length 147 [2018-10-24 23:59:32,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:59:32,565 INFO L481 AbstractCegarLoop]: Abstraction has 1153 states and 1553 transitions. [2018-10-24 23:59:32,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 23:59:32,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1553 transitions. [2018-10-24 23:59:32,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-24 23:59:32,571 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:32,572 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:59:32,572 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:32,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:32,572 INFO L82 PathProgramCache]: Analyzing trace with hash -2123069123, now seen corresponding path program 1 times [2018-10-24 23:59:32,573 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:32,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:32,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:32,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:32,574 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:32,826 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-24 23:59:32,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:59:32,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 23:59:32,827 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:59:32,828 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 23:59:32,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 23:59:32,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 23:59:32,829 INFO L87 Difference]: Start difference. First operand 1153 states and 1553 transitions. Second operand 4 states. [2018-10-24 23:59:33,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:59:33,940 INFO L93 Difference]: Finished difference Result 3973 states and 5595 transitions. [2018-10-24 23:59:33,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 23:59:33,941 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 168 [2018-10-24 23:59:33,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:59:33,962 INFO L225 Difference]: With dead ends: 3973 [2018-10-24 23:59:33,962 INFO L226 Difference]: Without dead ends: 2826 [2018-10-24 23:59:33,971 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 23:59:33,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2826 states. [2018-10-24 23:59:34,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2826 to 2796. [2018-10-24 23:59:34,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2796 states. [2018-10-24 23:59:34,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3650 transitions. [2018-10-24 23:59:34,059 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3650 transitions. Word has length 168 [2018-10-24 23:59:34,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:59:34,060 INFO L481 AbstractCegarLoop]: Abstraction has 2796 states and 3650 transitions. [2018-10-24 23:59:34,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 23:59:34,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3650 transitions. [2018-10-24 23:59:34,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-24 23:59:34,072 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:34,072 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:59:34,072 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:34,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:34,073 INFO L82 PathProgramCache]: Analyzing trace with hash -813161529, now seen corresponding path program 1 times [2018-10-24 23:59:34,073 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:34,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:34,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:34,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:34,074 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:34,262 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:59:34,263 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:59:34,263 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:59:34,264 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-10-24 23:59:34,266 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [685], [687], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-24 23:59:34,325 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:59:34,326 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:59:35,012 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 23:59:35,015 INFO L272 AbstractInterpreter]: Visited 132 different actions 132 times. Never merged. Never widened. Never found a fixpoint. Largest state had 42 variables. [2018-10-24 23:59:35,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:35,067 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 23:59:35,701 INFO L232 lantSequenceWeakener]: Weakened 170 states. On average, predicates are now at 80.59% of their original sizes. [2018-10-24 23:59:35,701 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 23:59:35,843 INFO L413 sIntCurrentIteration]: We have 178 unified AI predicates [2018-10-24 23:59:35,843 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 23:59:35,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 23:59:35,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-24 23:59:35,845 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:59:35,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 23:59:35,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 23:59:35,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 23:59:35,846 INFO L87 Difference]: Start difference. First operand 2796 states and 3650 transitions. Second operand 6 states. [2018-10-24 23:59:43,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:59:43,638 INFO L93 Difference]: Finished difference Result 5724 states and 7459 transitions. [2018-10-24 23:59:43,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 23:59:43,638 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 179 [2018-10-24 23:59:43,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:59:43,653 INFO L225 Difference]: With dead ends: 5724 [2018-10-24 23:59:43,653 INFO L226 Difference]: Without dead ends: 2934 [2018-10-24 23:59:43,664 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 179 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-24 23:59:43,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2934 states. [2018-10-24 23:59:43,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2934 to 2932. [2018-10-24 23:59:43,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2932 states. [2018-10-24 23:59:43,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 3792 transitions. [2018-10-24 23:59:43,743 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 3792 transitions. Word has length 179 [2018-10-24 23:59:43,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:59:43,743 INFO L481 AbstractCegarLoop]: Abstraction has 2932 states and 3792 transitions. [2018-10-24 23:59:43,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 23:59:43,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 3792 transitions. [2018-10-24 23:59:43,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-24 23:59:43,756 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:43,756 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:59:43,757 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:43,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:43,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1518221820, now seen corresponding path program 1 times [2018-10-24 23:59:43,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:43,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:43,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:43,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:43,759 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:44,133 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-24 23:59:44,133 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:59:44,133 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:59:44,134 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 189 with the following transitions: [2018-10-24 23:59:44,134 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [685], [687], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-24 23:59:44,147 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:59:44,147 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:59:44,591 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 23:59:44,591 INFO L272 AbstractInterpreter]: Visited 136 different actions 266 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-24 23:59:44,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:44,630 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 23:59:45,193 INFO L232 lantSequenceWeakener]: Weakened 185 states. On average, predicates are now at 80.66% of their original sizes. [2018-10-24 23:59:45,193 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 23:59:45,448 INFO L413 sIntCurrentIteration]: We have 187 unified AI predicates [2018-10-24 23:59:45,448 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 23:59:45,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 23:59:45,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-24 23:59:45,448 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:59:45,449 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 23:59:45,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 23:59:45,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-24 23:59:45,449 INFO L87 Difference]: Start difference. First operand 2932 states and 3792 transitions. Second operand 10 states. [2018-10-24 23:59:50,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:59:50,636 INFO L93 Difference]: Finished difference Result 5863 states and 7618 transitions. [2018-10-24 23:59:50,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-24 23:59:50,636 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 188 [2018-10-24 23:59:50,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:59:50,652 INFO L225 Difference]: With dead ends: 5863 [2018-10-24 23:59:50,653 INFO L226 Difference]: Without dead ends: 3073 [2018-10-24 23:59:50,664 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 195 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-10-24 23:59:50,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3073 states. [2018-10-24 23:59:50,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3073 to 3070. [2018-10-24 23:59:50,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3070 states. [2018-10-24 23:59:50,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3070 states to 3070 states and 3940 transitions. [2018-10-24 23:59:50,743 INFO L78 Accepts]: Start accepts. Automaton has 3070 states and 3940 transitions. Word has length 188 [2018-10-24 23:59:50,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:59:50,743 INFO L481 AbstractCegarLoop]: Abstraction has 3070 states and 3940 transitions. [2018-10-24 23:59:50,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-24 23:59:50,744 INFO L276 IsEmpty]: Start isEmpty. Operand 3070 states and 3940 transitions. [2018-10-24 23:59:50,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-24 23:59:50,758 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:59:50,758 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:59:50,759 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:59:50,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:50,759 INFO L82 PathProgramCache]: Analyzing trace with hash 241118704, now seen corresponding path program 1 times [2018-10-24 23:59:50,759 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:59:50,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:50,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:59:50,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:59:50,761 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:59:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:59:51,029 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 100 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-24 23:59:51,030 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:59:51,030 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:59:51,030 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 222 with the following transitions: [2018-10-24 23:59:51,031 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [685], [687], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-24 23:59:51,036 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:59:51,036 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:59:51,518 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 23:59:51,518 INFO L272 AbstractInterpreter]: Visited 136 different actions 266 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-24 23:59:51,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:59:51,523 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 23:59:52,280 INFO L232 lantSequenceWeakener]: Weakened 157 states. On average, predicates are now at 80.87% of their original sizes. [2018-10-24 23:59:52,280 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 23:59:55,909 INFO L413 sIntCurrentIteration]: We have 220 unified AI predicates [2018-10-24 23:59:55,910 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 23:59:55,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 23:59:55,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-10-24 23:59:55,910 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:59:55,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-24 23:59:55,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-24 23:59:55,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2018-10-24 23:59:55,911 INFO L87 Difference]: Start difference. First operand 3070 states and 3940 transitions. Second operand 15 states. [2018-10-25 00:00:10,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:00:10,295 INFO L93 Difference]: Finished difference Result 6329 states and 8125 transitions. [2018-10-25 00:00:10,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-25 00:00:10,296 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 221 [2018-10-25 00:00:10,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:00:10,312 INFO L225 Difference]: With dead ends: 6329 [2018-10-25 00:00:10,312 INFO L226 Difference]: Without dead ends: 3539 [2018-10-25 00:00:10,322 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 227 GetRequests, 83 SyntacticMatches, 124 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 883 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2018-10-25 00:00:10,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3539 states. [2018-10-25 00:00:10,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3539 to 3392. [2018-10-25 00:00:10,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3392 states. [2018-10-25 00:00:10,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3392 states to 3392 states and 4284 transitions. [2018-10-25 00:00:10,405 INFO L78 Accepts]: Start accepts. Automaton has 3392 states and 4284 transitions. Word has length 221 [2018-10-25 00:00:10,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:00:10,406 INFO L481 AbstractCegarLoop]: Abstraction has 3392 states and 4284 transitions. [2018-10-25 00:00:10,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-25 00:00:10,406 INFO L276 IsEmpty]: Start isEmpty. Operand 3392 states and 4284 transitions. [2018-10-25 00:00:10,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-10-25 00:00:10,420 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:00:10,420 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:00:10,421 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:00:10,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:10,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1707455469, now seen corresponding path program 1 times [2018-10-25 00:00:10,421 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:00:10,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:10,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:00:10,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:10,422 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:00:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:10,901 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 98 proven. 52 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-25 00:00:10,902 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:10,902 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:00:10,902 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-10-25 00:00:10,903 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [685], [687], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:00:10,906 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:00:10,907 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:00:12,080 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:00:12,080 INFO L272 AbstractInterpreter]: Visited 138 different actions 557 times. Merged at 9 different actions 41 times. Widened at 1 different actions 1 times. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-10-25 00:00:12,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:12,087 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:00:12,087 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:12,087 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-25 00:00:12,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:00:12,098 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:00:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:12,229 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:00:12,419 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-10-25 00:00:12,419 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:00:12,681 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-25 00:00:13,409 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 104 proven. 44 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-25 00:00:13,445 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:00:13,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-10-25 00:00:13,446 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:00:13,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-25 00:00:13,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-25 00:00:13,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-10-25 00:00:13,447 INFO L87 Difference]: Start difference. First operand 3392 states and 4284 transitions. Second operand 11 states. [2018-10-25 00:00:17,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:00:17,044 INFO L93 Difference]: Finished difference Result 7328 states and 9433 transitions. [2018-10-25 00:00:17,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-25 00:00:17,054 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 230 [2018-10-25 00:00:17,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:00:17,074 INFO L225 Difference]: With dead ends: 7328 [2018-10-25 00:00:17,074 INFO L226 Difference]: Without dead ends: 4400 [2018-10-25 00:00:17,092 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 461 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2018-10-25 00:00:17,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4400 states. [2018-10-25 00:00:17,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4400 to 4256. [2018-10-25 00:00:17,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4256 states. [2018-10-25 00:00:17,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4256 states to 4256 states and 5315 transitions. [2018-10-25 00:00:17,234 INFO L78 Accepts]: Start accepts. Automaton has 4256 states and 5315 transitions. Word has length 230 [2018-10-25 00:00:17,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:00:17,234 INFO L481 AbstractCegarLoop]: Abstraction has 4256 states and 5315 transitions. [2018-10-25 00:00:17,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-25 00:00:17,234 INFO L276 IsEmpty]: Start isEmpty. Operand 4256 states and 5315 transitions. [2018-10-25 00:00:17,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-10-25 00:00:17,252 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:00:17,253 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:00:17,253 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:00:17,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:00:17,254 INFO L82 PathProgramCache]: Analyzing trace with hash 649665019, now seen corresponding path program 2 times [2018-10-25 00:00:17,254 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:00:17,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:17,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:00:17,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:00:17,255 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:00:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:00:17,734 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 98 proven. 54 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-25 00:00:17,734 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:17,735 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:00:17,735 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-25 00:00:17,735 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-25 00:00:17,735 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:00:17,735 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-25 00:00:17,747 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-25 00:00:17,747 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-25 00:00:18,089 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-10-25 00:00:18,090 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-25 00:00:18,118 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:00:18,376 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-10-25 00:00:18,377 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:00:18,635 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-10-25 00:00:18,656 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:00:18,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-10-25 00:00:18,657 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:00:18,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:00:18,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:00:18,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:00:18,658 INFO L87 Difference]: Start difference. First operand 4256 states and 5315 transitions. Second operand 3 states. [2018-10-25 00:00:19,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:00:19,660 INFO L93 Difference]: Finished difference Result 9692 states and 12438 transitions. [2018-10-25 00:00:19,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:00:19,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2018-10-25 00:00:19,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:00:19,661 INFO L225 Difference]: With dead ends: 9692 [2018-10-25 00:00:19,661 INFO L226 Difference]: Without dead ends: 0 [2018-10-25 00:00:19,690 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 459 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:00:19,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-25 00:00:19,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-25 00:00:19,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-25 00:00:19,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-25 00:00:19,692 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 230 [2018-10-25 00:00:19,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:00:19,692 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-25 00:00:19,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:00:19,692 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-25 00:00:19,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-25 00:00:19,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-25 00:00:19,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:19,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:19,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:19,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:19,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:19,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:00:20,288 WARN L179 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2018-10-25 00:00:20,696 WARN L179 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2018-10-25 00:00:22,657 WARN L179 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 277 DAG size of output: 138 [2018-10-25 00:00:23,035 WARN L179 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 91 [2018-10-25 00:00:23,339 WARN L179 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 91 [2018-10-25 00:00:23,343 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:00:23,343 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a20~0)| ~a20~0) (= |old(~a16~0)| ~a16~0)) [2018-10-25 00:00:23,343 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:00:23,343 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-25 00:00:23,343 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-25 00:00:23,344 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,344 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,344 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,344 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,344 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,344 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,344 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-25 00:00:23,345 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-25 00:00:23,345 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-25 00:00:23,345 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-25 00:00:23,345 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-25 00:00:23,345 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-25 00:00:23,345 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-25 00:00:23,345 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-25 00:00:23,345 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-25 00:00:23,346 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-25 00:00:23,346 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,346 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,346 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,346 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,346 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,346 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,346 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-25 00:00:23,347 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-25 00:00:23,347 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-25 00:00:23,347 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-25 00:00:23,347 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-25 00:00:23,347 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-25 00:00:23,347 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-25 00:00:23,347 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-25 00:00:23,347 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-25 00:00:23,348 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-25 00:00:23,348 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-25 00:00:23,348 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-25 00:00:23,348 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-25 00:00:23,348 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-25 00:00:23,348 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-10-25 00:00:23,348 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,349 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,349 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,349 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,349 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,349 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-25 00:00:23,349 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-25 00:00:23,349 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-25 00:00:23,349 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-25 00:00:23,349 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-25 00:00:23,350 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-25 00:00:23,350 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-25 00:00:23,350 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-25 00:00:23,350 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-25 00:00:23,350 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,350 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,350 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,351 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,351 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,351 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-25 00:00:23,351 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-25 00:00:23,351 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-25 00:00:23,351 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-25 00:00:23,351 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-25 00:00:23,351 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-25 00:00:23,352 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-25 00:00:23,352 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-25 00:00:23,352 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-25 00:00:23,352 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-25 00:00:23,352 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-25 00:00:23,352 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-25 00:00:23,352 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-25 00:00:23,352 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,352 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,353 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,353 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,353 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,353 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-25 00:00:23,353 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-25 00:00:23,353 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-25 00:00:23,353 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-25 00:00:23,353 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-25 00:00:23,354 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-25 00:00:23,354 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-25 00:00:23,354 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-25 00:00:23,354 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-25 00:00:23,354 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,354 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,354 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,354 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,355 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,355 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,355 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-25 00:00:23,355 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,355 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-25 00:00:23,355 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-25 00:00:23,355 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-25 00:00:23,355 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-25 00:00:23,356 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-25 00:00:23,356 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-25 00:00:23,356 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-25 00:00:23,356 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-25 00:00:23,356 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-25 00:00:23,356 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-25 00:00:23,356 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-25 00:00:23,356 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-25 00:00:23,357 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-25 00:00:23,357 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,357 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,357 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,357 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,357 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,357 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-25 00:00:23,357 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-25 00:00:23,358 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-25 00:00:23,358 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-25 00:00:23,358 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-25 00:00:23,358 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-25 00:00:23,358 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-25 00:00:23,358 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 548) no Hoare annotation was computed. [2018-10-25 00:00:23,358 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-25 00:00:23,358 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,359 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,359 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,359 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,359 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,359 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-25 00:00:23,359 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-25 00:00:23,359 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-25 00:00:23,359 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-25 00:00:23,359 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-25 00:00:23,359 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-25 00:00:23,359 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-25 00:00:23,360 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-25 00:00:23,360 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-25 00:00:23,360 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-25 00:00:23,360 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse16 (= |old(~a20~0)| ~a20~0)) (.cse17 (= |old(~a16~0)| ~a16~0)) (.cse12 (not (= 0 |old(~a7~0)|))) (.cse13 (not (= 1 |old(~a21~0)|))) (.cse2 (not (= 8 ~a12~0))) (.cse14 (= |calculate_output_#in~input| 0)) (.cse15 (not (= 1 |old(~a17~0)|)))) (let ((.cse5 (not (= ~a8~0 13))) (.cse6 (= 6 |old(~a16~0)|)) (.cse4 (= 13 |old(~a8~0)|)) (.cse11 (= ~a21~0 1)) (.cse10 (= ~a7~0 0)) (.cse19 (= ~a17~0 1)) (.cse18 (or .cse12 .cse13 (not (= 5 |old(~a16~0)|)) .cse2 .cse14 .cse15)) (.cse0 (not (= 1 |old(~a20~0)|))) (.cse8 (= 1 |old(~a7~0)|)) (.cse1 (not (= 15 |old(~a8~0)|))) (.cse9 (not (= ~a7~0 1))) (.cse3 (= 15 ~a8~0)) (.cse20 (< 4 |old(~a16~0)|)) (.cse21 (and .cse16 .cse17)) (.cse7 (< 0 |old(~a20~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5) (or .cse6 .cse1 .cse2 .cse3 .cse7) (or .cse8 .cse0 .cse2 .cse9) (or (and .cse10 .cse11) (or .cse12 .cse13 .cse0 .cse1 (= 0 |old(~a16~0)|) .cse2 .cse14)) (or .cse13 .cse0 (not (= 4 |old(~a16~0)|)) (and (= 1 ~a7~0) (= 13 ~a8~0) (= 1 ~a21~0) (= 1 ~a17~0)) .cse2 (not .cse8) (not .cse4) .cse15) (or .cse6 (and .cse16 .cse17 .cse5) .cse4 .cse2 .cse7) (or .cse6 .cse8 .cse4 .cse2 .cse9 .cse7) (or .cse18 (or .cse1 (not (= 0 |old(~a20~0)|))) (and .cse19 .cse11 .cse10)) (or .cse8 .cse20 .cse9 .cse2 .cse7) (or (or (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) .cse19 .cse18) (or .cse0 .cse21 .cse2) (or .cse8 .cse1 .cse2 (and .cse9 .cse16 .cse17 .cse3) .cse7) (or .cse20 .cse21 .cse2 .cse7)))) [2018-10-25 00:00:23,361 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-25 00:00:23,361 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,361 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,361 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,361 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,361 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-25 00:00:23,361 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,361 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,361 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-25 00:00:23,362 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-25 00:00:23,362 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-25 00:00:23,362 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-25 00:00:23,362 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-25 00:00:23,362 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-25 00:00:23,362 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-25 00:00:23,362 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-25 00:00:23,362 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-25 00:00:23,362 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-25 00:00:23,363 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-25 00:00:23,363 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-25 00:00:23,363 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,363 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,363 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,363 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,363 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,363 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-25 00:00:23,363 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,364 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-25 00:00:23,364 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-25 00:00:23,364 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-25 00:00:23,364 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-25 00:00:23,364 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-25 00:00:23,364 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-25 00:00:23,364 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-25 00:00:23,364 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-25 00:00:23,364 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-25 00:00:23,364 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-25 00:00:23,364 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-25 00:00:23,364 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-25 00:00:23,364 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-25 00:00:23,364 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-25 00:00:23,365 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,365 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,365 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,365 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,365 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,365 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:00:23,365 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-25 00:00:23,365 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-25 00:00:23,365 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-25 00:00:23,365 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-25 00:00:23,365 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-25 00:00:23,365 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-25 00:00:23,365 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-25 00:00:23,366 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-25 00:00:23,366 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-25 00:00:23,366 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-25 00:00:23,366 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:00:23,366 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~a17~0 1) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= 15 ~a8~0) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~a7~0 0) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~b~0 2) (= ~a~0 1) (= ~a12~0 8) (= ~a20~0 1) (= ~a16~0 5)) [2018-10-25 00:00:23,366 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-25 00:00:23,366 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:00:23,367 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (= ~a21~0 1) (= ~a17~0 1) (= 15 ~a8~0) (= ~a7~0 0) (= ~a20~0 1) (= ~a16~0 5)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= |old(~a16~0)| 5)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= |old(~a7~0)| 0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-10-25 00:00:23,367 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-10-25 00:00:23,367 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~a20~0 0))) (or (and (not (= ~a16~0 6)) .cse0 (not (= ~a8~0 13))) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (and (not (= ~a7~0 1)) (= 15 ~a8~0) .cse0) (not (= ~y~0 25)) (and .cse0 (<= ~a16~0 4)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (not (= 0 |old(~a7~0)|)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (= |old(~a20~0)| ~a20~0) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0)))) [2018-10-25 00:00:23,367 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-10-25 00:00:23,367 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-25 00:00:23,367 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-25 00:00:23,368 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= ~a20~0 0))) (or (and (not (= ~a16~0 6)) .cse0 (not (= ~a8~0 13))) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (and (not (= ~a7~0 1)) (= 15 ~a8~0) .cse0) (not (= ~y~0 25)) (and .cse0 (<= ~a16~0 4)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (not (= 0 |old(~a7~0)|)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (= |old(~a20~0)| ~a20~0) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0)))) [2018-10-25 00:00:23,368 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-10-25 00:00:23,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:00:23 BoogieIcfgContainer [2018-10-25 00:00:23,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 00:00:23,384 INFO L168 Benchmark]: Toolchain (without parser) took 64768.70 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-25 00:00:23,385 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-10-25 00:00:23,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.45 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. [2018-10-25 00:00:23,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 212.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 737.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-25 00:00:23,387 INFO L168 Benchmark]: Boogie Preprocessor took 83.98 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:00:23,387 INFO L168 Benchmark]: RCFGBuilder took 3409.26 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: 106.4 MB). Peak memory consumption was 106.4 MB. Max. memory is 7.1 GB. [2018-10-25 00:00:23,388 INFO L168 Benchmark]: TraceAbstraction took 60369.77 ms. Allocated memory was 2.3 GB in the beginning and 3.7 GB in the end (delta: 1.4 GB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -486.2 MB). Peak memory consumption was 955.1 MB. Max. memory is 7.1 GB. [2018-10-25 00:00:23,393 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 683.45 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 212.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 737.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.98 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3409.26 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: 106.4 MB). Peak memory consumption was 106.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 60369.77 ms. Allocated memory was 2.3 GB in the beginning and 3.7 GB in the end (delta: 1.4 GB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -486.2 MB). Peak memory consumption was 955.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 548]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((!(a16 == 6) && a20 <= 0) && !(a8 == 13)) || !(\old(a21) == 1)) || !(b == 2)) || ((!(a7 == 1) && 15 == a8) && a20 <= 0)) || !(y == 25)) || (a20 <= 0 && a16 <= 4)) || !(x == 24)) || !(a12 == 8)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || !(z == 26)) || !(\old(a16) == 5)) || !(0 == \old(a7))) || !(3 == c)) || !(\old(a20) == 1)) || !(23 == w)) || \old(a20) == a20) || !(a == 1)) || !(\old(a17) == 1)) || !(\old(a8) == 15)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 60.2s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 40.5s AutomataDifference, 0.0s DeadEndRemovalTime, 3.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1384 SDtfs, 4591 SDslu, 1155 SDs, 0 SdLazy, 9599 SolverSat, 1076 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1582 GetRequests, 1369 SyntacticMatches, 134 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 983 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4256occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.9s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.997588490838714 AbsIntWeakeningRatio, 0.2 AbsIntAvgWeakeningVarsNumRemoved, 9.73162393162393 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 346 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 169 PreInvPairs, 253 NumberOfFragments, 790 HoareAnnotationTreeSize, 169 FomulaSimplifications, 4776 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4302 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 2239 NumberOfCodeBlocks, 2172 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2685 ConstructedInterpolants, 0 QuantifiedInterpolants, 1457172 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1010 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 1246/1430 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...