java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label03_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 00:57:28,871 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 00:57:28,873 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 00:57:28,888 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 00:57:28,888 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 00:57:28,890 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 00:57:28,892 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 00:57:28,895 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 00:57:28,898 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 00:57:28,899 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 00:57:28,900 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 00:57:28,900 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 00:57:28,901 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 00:57:28,902 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 00:57:28,904 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 00:57:28,904 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 00:57:28,906 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 00:57:28,908 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 00:57:28,914 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 00:57:28,919 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 00:57:28,920 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 00:57:28,925 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 00:57:28,931 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-07 00:57:28,941 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 00:57:28,957 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 00:57:28,957 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 00:57:28,958 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 00:57:28,959 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 00:57:28,959 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 00:57:28,959 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 00:57:28,959 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 00:57:28,959 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 00:57:28,960 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 00:57:28,960 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 00:57:28,960 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 00:57:28,960 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 00:57:28,961 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 00:57:28,961 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 00:57:28,961 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 00:57:28,961 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 00:57:28,962 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 00:57:28,962 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 00:57:28,962 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 00:57:28,962 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 00:57:28,963 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 00:57:28,963 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 00:57:28,963 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 00:57:28,963 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 00:57:28,963 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 00:57:28,964 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 00:57:28,964 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 00:57:28,964 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 00:57:28,964 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 00:57:28,964 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 00:57:28,965 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 00:57:28,965 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 00:57:28,965 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 00:57:28,965 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 00:57:29,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 00:57:29,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 00:57:29,066 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 00:57:29,068 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 00:57:29,068 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 00:57:29,069 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label03_true-unreach-call_false-termination.c [2018-11-07 00:57:29,141 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64a8e7eac/ab73493d03a948c19986169e79b9723f/FLAG9956aaaf6 [2018-11-07 00:57:29,766 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 00:57:29,769 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label03_true-unreach-call_false-termination.c [2018-11-07 00:57:29,794 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64a8e7eac/ab73493d03a948c19986169e79b9723f/FLAG9956aaaf6 [2018-11-07 00:57:29,820 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64a8e7eac/ab73493d03a948c19986169e79b9723f [2018-11-07 00:57:29,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 00:57:29,836 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 00:57:29,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 00:57:29,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 00:57:29,843 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 00:57:29,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:57:29" (1/1) ... [2018-11-07 00:57:29,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1170cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:29, skipping insertion in model container [2018-11-07 00:57:29,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:57:29" (1/1) ... [2018-11-07 00:57:29,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 00:57:29,924 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 00:57:30,417 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 00:57:30,431 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 00:57:30,579 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 00:57:30,597 INFO L193 MainTranslator]: Completed translation [2018-11-07 00:57:30,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:30 WrapperNode [2018-11-07 00:57:30,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 00:57:30,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 00:57:30,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 00:57:30,599 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 00:57:30,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:30" (1/1) ... [2018-11-07 00:57:30,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:30" (1/1) ... [2018-11-07 00:57:30,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 00:57:30,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 00:57:30,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 00:57:30,751 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 00:57:30,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:30" (1/1) ... [2018-11-07 00:57:30,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:30" (1/1) ... [2018-11-07 00:57:30,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:30" (1/1) ... [2018-11-07 00:57:30,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:30" (1/1) ... [2018-11-07 00:57:30,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:30" (1/1) ... [2018-11-07 00:57:30,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:30" (1/1) ... [2018-11-07 00:57:30,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:30" (1/1) ... [2018-11-07 00:57:30,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 00:57:30,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 00:57:30,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 00:57:30,875 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 00:57:30,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 00:57:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 00:57:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 00:57:30,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 00:57:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 00:57:30,956 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 00:57:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 00:57:30,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 00:57:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 00:57:30,958 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 00:57:34,164 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 00:57:34,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:57:34 BoogieIcfgContainer [2018-11-07 00:57:34,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 00:57:34,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 00:57:34,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 00:57:34,170 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 00:57:34,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:57:29" (1/3) ... [2018-11-07 00:57:34,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f891948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:57:34, skipping insertion in model container [2018-11-07 00:57:34,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:30" (2/3) ... [2018-11-07 00:57:34,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f891948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:57:34, skipping insertion in model container [2018-11-07 00:57:34,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:57:34" (3/3) ... [2018-11-07 00:57:34,175 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label03_true-unreach-call_false-termination.c [2018-11-07 00:57:34,188 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 00:57:34,199 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 00:57:34,219 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 00:57:34,264 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 00:57:34,265 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 00:57:34,265 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 00:57:34,265 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 00:57:34,265 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 00:57:34,266 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 00:57:34,266 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 00:57:34,266 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 00:57:34,295 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-07 00:57:34,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-07 00:57:34,312 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:57:34,314 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:57:34,316 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:57:34,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:57:34,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1119930456, now seen corresponding path program 1 times [2018-11-07 00:57:34,335 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:57:34,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:57:34,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:57:34,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:57:34,397 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:57:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:57:35,060 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-07 00:57:35,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:57:35,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:57:35,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 00:57:35,324 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:57:35,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 00:57:35,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 00:57:35,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 00:57:35,351 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 4 states. [2018-11-07 00:57:37,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:57:37,575 INFO L93 Difference]: Finished difference Result 702 states and 1227 transitions. [2018-11-07 00:57:37,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 00:57:37,579 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2018-11-07 00:57:37,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:57:37,605 INFO L225 Difference]: With dead ends: 702 [2018-11-07 00:57:37,605 INFO L226 Difference]: Without dead ends: 488 [2018-11-07 00:57:37,613 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 00:57:37,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2018-11-07 00:57:37,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 340. [2018-11-07 00:57:37,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-07 00:57:37,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 565 transitions. [2018-11-07 00:57:37,703 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 565 transitions. Word has length 136 [2018-11-07 00:57:37,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:57:37,704 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 565 transitions. [2018-11-07 00:57:37,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 00:57:37,704 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 565 transitions. [2018-11-07 00:57:37,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-07 00:57:37,712 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:57:37,712 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, 1, 1, 1, 1, 1] [2018-11-07 00:57:37,713 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:57:37,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:57:37,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1950483079, now seen corresponding path program 1 times [2018-11-07 00:57:37,714 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:57:37,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:57:37,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:57:37,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:57:37,716 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:57:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:57:37,903 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:57:37,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:57:37,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 00:57:37,904 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:57:37,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 00:57:37,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 00:57:37,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 00:57:37,907 INFO L87 Difference]: Start difference. First operand 340 states and 565 transitions. Second operand 6 states. [2018-11-07 00:57:40,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:57:40,069 INFO L93 Difference]: Finished difference Result 1070 states and 1865 transitions. [2018-11-07 00:57:40,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 00:57:40,070 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-11-07 00:57:40,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:57:40,081 INFO L225 Difference]: With dead ends: 1070 [2018-11-07 00:57:40,082 INFO L226 Difference]: Without dead ends: 736 [2018-11-07 00:57:40,087 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 00:57:40,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2018-11-07 00:57:40,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 719. [2018-11-07 00:57:40,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2018-11-07 00:57:40,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 1163 transitions. [2018-11-07 00:57:40,151 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 1163 transitions. Word has length 147 [2018-11-07 00:57:40,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:57:40,152 INFO L480 AbstractCegarLoop]: Abstraction has 719 states and 1163 transitions. [2018-11-07 00:57:40,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 00:57:40,152 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1163 transitions. [2018-11-07 00:57:40,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-07 00:57:40,162 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:57:40,162 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, 1, 1, 1, 1, 1] [2018-11-07 00:57:40,163 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:57:40,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:57:40,163 INFO L82 PathProgramCache]: Analyzing trace with hash 770922715, now seen corresponding path program 1 times [2018-11-07 00:57:40,164 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:57:40,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:57:40,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:57:40,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:57:40,169 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:57:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:57:40,669 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-07 00:57:40,842 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:57:40,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:57:40,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 00:57:40,843 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:57:40,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 00:57:40,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 00:57:40,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 00:57:40,844 INFO L87 Difference]: Start difference. First operand 719 states and 1163 transitions. Second operand 5 states. [2018-11-07 00:57:42,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:57:42,844 INFO L93 Difference]: Finished difference Result 1568 states and 2569 transitions. [2018-11-07 00:57:42,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 00:57:42,845 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2018-11-07 00:57:42,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:57:42,857 INFO L225 Difference]: With dead ends: 1568 [2018-11-07 00:57:42,857 INFO L226 Difference]: Without dead ends: 716 [2018-11-07 00:57:42,862 INFO L604 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 [2018-11-07 00:57:42,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2018-11-07 00:57:42,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2018-11-07 00:57:42,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2018-11-07 00:57:42,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1087 transitions. [2018-11-07 00:57:42,923 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1087 transitions. Word has length 148 [2018-11-07 00:57:42,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:57:42,923 INFO L480 AbstractCegarLoop]: Abstraction has 716 states and 1087 transitions. [2018-11-07 00:57:42,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 00:57:42,924 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1087 transitions. [2018-11-07 00:57:42,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-07 00:57:42,929 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:57:42,929 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:57:42,929 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:57:42,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:57:42,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1748961325, now seen corresponding path program 1 times [2018-11-07 00:57:42,932 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:57:42,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:57:42,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:57:42,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:57:42,933 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:57:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:57:43,300 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:57:43,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:57:43,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 00:57:43,301 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:57:43,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 00:57:43,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 00:57:43,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 00:57:43,302 INFO L87 Difference]: Start difference. First operand 716 states and 1087 transitions. Second operand 3 states. [2018-11-07 00:57:44,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:57:44,524 INFO L93 Difference]: Finished difference Result 1651 states and 2551 transitions. [2018-11-07 00:57:44,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 00:57:44,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2018-11-07 00:57:44,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:57:44,535 INFO L225 Difference]: With dead ends: 1651 [2018-11-07 00:57:44,535 INFO L226 Difference]: Without dead ends: 941 [2018-11-07 00:57:44,539 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 00:57:44,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2018-11-07 00:57:44,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 938. [2018-11-07 00:57:44,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 938 states. [2018-11-07 00:57:44,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1264 transitions. [2018-11-07 00:57:44,577 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1264 transitions. Word has length 152 [2018-11-07 00:57:44,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:57:44,579 INFO L480 AbstractCegarLoop]: Abstraction has 938 states and 1264 transitions. [2018-11-07 00:57:44,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 00:57:44,579 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1264 transitions. [2018-11-07 00:57:44,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-07 00:57:44,584 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:57:44,585 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:57:44,585 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:57:44,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:57:44,586 INFO L82 PathProgramCache]: Analyzing trace with hash -391791017, now seen corresponding path program 1 times [2018-11-07 00:57:44,586 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:57:44,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:57:44,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:57:44,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:57:44,587 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:57:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:57:44,865 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:57:44,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:57:44,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 00:57:44,865 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:57:44,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 00:57:44,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 00:57:44,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 00:57:44,867 INFO L87 Difference]: Start difference. First operand 938 states and 1264 transitions. Second operand 3 states. [2018-11-07 00:57:45,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:57:45,457 INFO L93 Difference]: Finished difference Result 2186 states and 3025 transitions. [2018-11-07 00:57:45,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 00:57:45,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2018-11-07 00:57:45,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:57:45,464 INFO L225 Difference]: With dead ends: 2186 [2018-11-07 00:57:45,464 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 00:57:45,470 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 00:57:45,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 00:57:45,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 00:57:45,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 00:57:45,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 00:57:45,471 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 171 [2018-11-07 00:57:45,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:57:45,471 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 00:57:45,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 00:57:45,472 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 00:57:45,472 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 00:57:45,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 00:57:45,634 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-07 00:57:45,844 WARN L179 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 24 [2018-11-07 00:57:46,244 WARN L179 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2018-11-07 00:57:46,422 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2018-11-07 00:57:46,425 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 00:57:46,425 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a16~0)| ~a16~0) [2018-11-07 00:57:46,425 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 00:57:46,426 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-07 00:57:46,426 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-07 00:57:46,426 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,426 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,426 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,426 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,426 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,427 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,427 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-07 00:57:46,427 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-07 00:57:46,427 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-07 00:57:46,427 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-07 00:57:46,427 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-07 00:57:46,427 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-07 00:57:46,427 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-07 00:57:46,427 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-07 00:57:46,427 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-07 00:57:46,428 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-07 00:57:46,428 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,428 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,428 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,428 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,428 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,428 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,428 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-07 00:57:46,428 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-07 00:57:46,428 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-07 00:57:46,429 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-07 00:57:46,429 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-07 00:57:46,429 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-07 00:57:46,429 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-07 00:57:46,429 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-07 00:57:46,429 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-07 00:57:46,429 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-07 00:57:46,430 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-07 00:57:46,430 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-07 00:57:46,430 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-07 00:57:46,430 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-07 00:57:46,430 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-07 00:57:46,430 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,430 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,430 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,431 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,431 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,431 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-07 00:57:46,431 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-07 00:57:46,431 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-07 00:57:46,431 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-07 00:57:46,431 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-07 00:57:46,432 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-07 00:57:46,432 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-07 00:57:46,432 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-07 00:57:46,432 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-07 00:57:46,432 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,432 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,432 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,432 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,433 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,433 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-07 00:57:46,433 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-07 00:57:46,433 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-07 00:57:46,433 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-07 00:57:46,433 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-07 00:57:46,433 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-07 00:57:46,434 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-07 00:57:46,434 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-07 00:57:46,434 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-07 00:57:46,434 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-07 00:57:46,434 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-07 00:57:46,434 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-07 00:57:46,434 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-07 00:57:46,435 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,435 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,435 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 563) no Hoare annotation was computed. [2018-11-07 00:57:46,435 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,435 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,435 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,435 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-07 00:57:46,436 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-07 00:57:46,436 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-07 00:57:46,436 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-07 00:57:46,436 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-07 00:57:46,436 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-07 00:57:46,436 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-07 00:57:46,436 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-07 00:57:46,437 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-07 00:57:46,437 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,437 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,437 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,437 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,437 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,437 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,437 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,438 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-07 00:57:46,438 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-07 00:57:46,438 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-07 00:57:46,438 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-07 00:57:46,438 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-07 00:57:46,438 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-07 00:57:46,438 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-07 00:57:46,439 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-07 00:57:46,439 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-07 00:57:46,439 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-07 00:57:46,439 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-07 00:57:46,439 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-07 00:57:46,439 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-07 00:57:46,439 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-07 00:57:46,440 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,440 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,440 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,440 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,440 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,440 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-07 00:57:46,440 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-07 00:57:46,440 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-07 00:57:46,441 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-07 00:57:46,441 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-07 00:57:46,441 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-07 00:57:46,441 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-07 00:57:46,441 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-07 00:57:46,441 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,441 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,442 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,442 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,442 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,442 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-07 00:57:46,442 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-07 00:57:46,442 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-07 00:57:46,442 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-07 00:57:46,442 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-07 00:57:46,443 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-07 00:57:46,443 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-07 00:57:46,443 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-07 00:57:46,443 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-07 00:57:46,443 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-07 00:57:46,444 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse7 (= 1 |old(~a20~0)|))) (let ((.cse2 (and (= |old(~a7~0)| |old(~a20~0)|) .cse7)) (.cse6 (= 1 |old(~a21~0)|)) (.cse5 (= 1 ~a20~0)) (.cse4 (= |old(~a16~0)| ~a16~0)) (.cse3 (not (= ~a8~0 13))) (.cse0 (= 13 |old(~a8~0)|)) (.cse1 (not (= 8 ~a12~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (and .cse4 (or (not .cse5) (not (= ~a20~0 ~a7~0))))) (or .cse6 .cse1 (and (not (= ~a21~0 1)) .cse4)) (or (not .cse6) (not .cse7) (not (= 4 |old(~a16~0)|)) (and (= 1 ~a7~0) .cse5 (= 13 ~a8~0) .cse4 (= 1 ~a21~0) (= 1 ~a17~0)) .cse1 (not (= 1 |old(~a7~0)|)) (not .cse0) (not (= 1 |old(~a17~0)|))) (or (= 6 |old(~a16~0)|) (and .cse4 .cse3) .cse0 .cse1)))) [2018-11-07 00:57:46,444 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-07 00:57:46,444 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,444 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,444 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,444 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,444 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,444 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-07 00:57:46,445 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,445 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-07 00:57:46,445 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-07 00:57:46,445 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-07 00:57:46,445 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-07 00:57:46,445 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-07 00:57:46,445 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-07 00:57:46,445 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-07 00:57:46,446 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-07 00:57:46,446 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-07 00:57:46,446 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-07 00:57:46,446 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-07 00:57:46,446 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-07 00:57:46,446 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,446 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,447 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,447 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,447 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,447 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,447 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-07 00:57:46,447 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-07 00:57:46,447 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-07 00:57:46,448 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-07 00:57:46,448 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-07 00:57:46,448 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-07 00:57:46,448 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-07 00:57:46,448 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-07 00:57:46,448 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-07 00:57:46,448 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-07 00:57:46,449 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-07 00:57:46,449 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-07 00:57:46,449 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-07 00:57:46,449 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-07 00:57:46,449 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-07 00:57:46,449 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,449 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,449 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,450 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,450 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,450 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-07 00:57:46,450 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-07 00:57:46,450 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-07 00:57:46,450 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-07 00:57:46,450 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-07 00:57:46,450 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-07 00:57:46,451 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-07 00:57:46,451 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-07 00:57:46,451 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-07 00:57:46,451 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-07 00:57:46,451 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-07 00:57:46,451 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 00:57:46,452 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a16~0 6)) (= ~a12~0 8) (not (= ~a20~0 ~a7~0)) (not (= ~a8~0 13))) [2018-11-07 00:57:46,452 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 00:57:46,452 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 00:57:46,452 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (= 13 |old(~a8~0)|) (not (= 8 ~a12~0)) (= |old(~a7~0)| |old(~a20~0)|) (and (= |old(~a16~0)| ~a16~0) (not (= ~a20~0 ~a7~0)) (not (= ~a8~0 13)))) [2018-11-07 00:57:46,452 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-07 00:57:46,452 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (and (not (= ~a16~0 6)) (not (= ~a8~0 13))) (not (= ~a21~0 1)) (= 13 |old(~a8~0)|) (and (= 4 ~a16~0) (= 1 ~a17~0)) (not (= 8 ~a12~0)) (= |old(~a7~0)| |old(~a20~0)|) (or (not (= 1 ~a20~0)) (not (= ~a20~0 ~a7~0)))) [2018-11-07 00:57:46,453 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-07 00:57:46,453 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-07 00:57:46,453 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-07 00:57:46,453 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (and (not (= ~a16~0 6)) (not (= ~a8~0 13))) (not (= ~a21~0 1)) (= 13 |old(~a8~0)|) (and (= 4 ~a16~0) (= 1 ~a17~0)) (not (= 8 ~a12~0)) (= |old(~a7~0)| |old(~a20~0)|) (or (not (= 1 ~a20~0)) (not (= ~a20~0 ~a7~0)))) [2018-11-07 00:57:46,453 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-07 00:57:46,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:57:46 BoogieIcfgContainer [2018-11-07 00:57:46,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 00:57:46,490 INFO L168 Benchmark]: Toolchain (without parser) took 16655.04 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 890.8 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -345.5 MB). Peak memory consumption was 545.3 MB. Max. memory is 7.1 GB. [2018-11-07 00:57:46,494 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 00:57:46,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 00:57:46,496 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.01 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -824.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-11-07 00:57:46,497 INFO L168 Benchmark]: Boogie Preprocessor took 123.50 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. [2018-11-07 00:57:46,500 INFO L168 Benchmark]: RCFGBuilder took 3290.36 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: 105.0 MB). Peak memory consumption was 105.0 MB. Max. memory is 7.1 GB. [2018-11-07 00:57:46,501 INFO L168 Benchmark]: TraceAbstraction took 12319.17 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 145.8 MB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 341.9 MB). Peak memory consumption was 487.7 MB. Max. memory is 7.1 GB. [2018-11-07 00:57:46,509 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 761.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 152.01 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -824.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.50 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 3290.36 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: 105.0 MB). Peak memory consumption was 105.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12319.17 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 145.8 MB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 341.9 MB). Peak memory consumption was 487.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 563]: 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: ((((((6 == \old(a16) || (!(a16 == 6) && !(a8 == 13))) || !(a21 == 1)) || 13 == \old(a8)) || (4 == a16 && 1 == a17)) || !(8 == a12)) || \old(a7) == \old(a20)) || !(1 == a20) || !(a20 == a7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 12.2s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 8.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 682 SDtfs, 1675 SDslu, 344 SDs, 0 SdLazy, 2803 SolverSat, 774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 8 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=938occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 168 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 32 PreInvPairs, 50 NumberOfFragments, 260 HoareAnnotationTreeSize, 32 FomulaSimplifications, 406 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 291 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 754 NumberOfCodeBlocks, 754 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 749 ConstructedInterpolants, 0 QuantifiedInterpolants, 695507 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 62/62 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...