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_label23_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:09:35,003 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:09:35,005 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:09:35,018 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:09:35,018 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:09:35,019 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:09:35,021 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:09:35,022 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:09:35,024 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:09:35,026 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:09:35,029 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:09:35,029 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:09:35,031 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:09:35,032 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:09:35,039 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:09:35,040 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:09:35,041 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:09:35,048 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:09:35,050 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:09:35,051 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:09:35,053 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:09:35,054 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:09:35,056 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:09:35,056 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:09:35,056 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:09:35,057 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:09:35,058 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:09:35,059 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:09:35,060 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:09:35,061 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:09:35,061 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:09:35,062 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:09:35,062 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:09:35,062 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:09:35,063 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:09:35,064 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:09:35,064 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 [2018-10-27 06:09:35,085 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:09:35,086 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:09:35,087 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 06:09:35,087 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 06:09:35,087 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 06:09:35,087 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 06:09:35,087 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 06:09:35,088 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 06:09:35,088 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 06:09:35,089 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 06:09:35,089 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 06:09:35,089 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 06:09:35,089 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 06:09:35,089 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 06:09:35,090 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:09:35,090 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:09:35,091 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:09:35,092 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 06:09:35,093 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 06:09:35,093 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 06:09:35,093 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:09:35,093 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 06:09:35,093 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:09:35,094 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:09:35,094 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 06:09:35,094 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 06:09:35,094 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 06:09:35,094 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:09:35,095 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 06:09:35,095 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 06:09:35,095 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 06:09:35,095 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 06:09:35,095 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 06:09:35,096 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 06:09:35,096 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 06:09:35,097 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 06:09:35,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:09:35,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:09:35,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:09:35,194 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:09:35,195 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:09:35,195 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-10-27 06:09:35,268 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c50ef8945/5efe9992da984678977dc9b6eae13d12/FLAGaea15dc3b [2018-10-27 06:09:35,877 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:09:35,878 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-10-27 06:09:35,889 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c50ef8945/5efe9992da984678977dc9b6eae13d12/FLAGaea15dc3b [2018-10-27 06:09:35,904 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/c50ef8945/5efe9992da984678977dc9b6eae13d12 [2018-10-27 06:09:35,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:09:35,916 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 06:09:35,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:09:35,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:09:35,921 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:09:35,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:09:35" (1/1) ... [2018-10-27 06:09:35,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1652d08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:35, skipping insertion in model container [2018-10-27 06:09:35,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:09:35" (1/1) ... [2018-10-27 06:09:35,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:09:35,988 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:09:36,438 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:09:36,443 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:09:36,598 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:09:36,618 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:09:36,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:36 WrapperNode [2018-10-27 06:09:36,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:09:36,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:09:36,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:09:36,620 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:09:36,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:36" (1/1) ... [2018-10-27 06:09:36,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:36" (1/1) ... [2018-10-27 06:09:36,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:09:36,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:09:36,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:09:36,809 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:09:36,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:36" (1/1) ... [2018-10-27 06:09:36,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:36" (1/1) ... [2018-10-27 06:09:36,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:36" (1/1) ... [2018-10-27 06:09:36,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:36" (1/1) ... [2018-10-27 06:09:36,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:36" (1/1) ... [2018-10-27 06:09:36,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:36" (1/1) ... [2018-10-27 06:09:36,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:36" (1/1) ... [2018-10-27 06:09:36,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:09:36,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:09:36,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:09:36,875 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:09:36,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:36" (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 [2018-10-27 06:09:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 06:09:36,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 06:09:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 06:09:36,964 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 06:09:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:09:36,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:09:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 06:09:36,965 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 06:09:40,423 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:09:40,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:09:40 BoogieIcfgContainer [2018-10-27 06:09:40,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:09:40,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 06:09:40,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 06:09:40,433 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 06:09:40,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:09:35" (1/3) ... [2018-10-27 06:09:40,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@751e20e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:09:40, skipping insertion in model container [2018-10-27 06:09:40,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:36" (2/3) ... [2018-10-27 06:09:40,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@751e20e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:09:40, skipping insertion in model container [2018-10-27 06:09:40,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:09:40" (3/3) ... [2018-10-27 06:09:40,438 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label23_true-unreach-call_false-termination.c [2018-10-27 06:09:40,450 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 06:09:40,466 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 06:09:40,487 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 06:09:40,540 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 06:09:40,541 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 06:09:40,541 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 06:09:40,541 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:09:40,541 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:09:40,542 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 06:09:40,542 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:09:40,542 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 06:09:40,568 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-10-27 06:09:40,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-27 06:09:40,582 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:09:40,583 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] [2018-10-27 06:09:40,585 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:09:40,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:09:40,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1921053824, now seen corresponding path program 1 times [2018-10-27 06:09:40,595 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:09:40,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:40,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:09:40,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:40,653 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:09:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:09:41,324 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 06:09:41,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:09:41,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:09:41,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 06:09:41,472 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:09:41,478 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 06:09:41,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:09:41,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:09:41,498 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-10-27 06:09:42,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:09:42,980 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-10-27 06:09:42,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:09:42,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-10-27 06:09:42,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:09:43,004 INFO L225 Difference]: With dead ends: 550 [2018-10-27 06:09:43,004 INFO L226 Difference]: Without dead ends: 340 [2018-10-27 06:09:43,011 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:09:43,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-10-27 06:09:43,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-10-27 06:09:43,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-27 06:09:43,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-10-27 06:09:43,119 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 102 [2018-10-27 06:09:43,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:09:43,120 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-10-27 06:09:43,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 06:09:43,121 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-10-27 06:09:43,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-27 06:09:43,133 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:09:43,133 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] [2018-10-27 06:09:43,134 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:09:43,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:09:43,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1248804383, now seen corresponding path program 1 times [2018-10-27 06:09:43,135 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:09:43,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:43,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:09:43,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:43,138 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:09:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:09:43,408 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 06:09:43,468 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:09:43,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:09:43,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 06:09:43,469 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:09:43,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 06:09:43,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 06:09:43,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 06:09:43,473 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-10-27 06:09:45,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:09:45,347 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-10-27 06:09:45,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 06:09:45,348 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-10-27 06:09:45,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:09:45,355 INFO L225 Difference]: With dead ends: 888 [2018-10-27 06:09:45,356 INFO L226 Difference]: Without dead ends: 554 [2018-10-27 06:09:45,362 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 [2018-10-27 06:09:45,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-10-27 06:09:45,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-10-27 06:09:45,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-10-27 06:09:45,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-10-27 06:09:45,406 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 113 [2018-10-27 06:09:45,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:09:45,406 INFO L481 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-10-27 06:09:45,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 06:09:45,407 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-10-27 06:09:45,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-27 06:09:45,411 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:09:45,412 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] [2018-10-27 06:09:45,412 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:09:45,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:09:45,413 INFO L82 PathProgramCache]: Analyzing trace with hash -2079561357, now seen corresponding path program 1 times [2018-10-27 06:09:45,413 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:09:45,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:45,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:09:45,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:45,414 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:09:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:09:45,703 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:09:45,704 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:09:45,704 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:09:45,705 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 115 with the following transitions: [2018-10-27 06:09:45,707 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [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], [453], [455], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 06:09:45,755 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:09:45,755 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:09:46,618 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:09:46,621 INFO L272 AbstractInterpreter]: Visited 106 different actions 204 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-27 06:09:46,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:09:46,666 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:09:46,667 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:09:46,667 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 [2018-10-27 06:09:46,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:09:46,685 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:09:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:09:46,807 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:09:47,120 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:09:47,120 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:09:47,376 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:09:47,408 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:09:47,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 9 [2018-10-27 06:09:47,408 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:09:47,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 06:09:47,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:09:47,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-27 06:09:47,414 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 3 states. [2018-10-27 06:09:48,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:09:48,792 INFO L93 Difference]: Finished difference Result 1530 states and 2434 transitions. [2018-10-27 06:09:48,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:09:48,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2018-10-27 06:09:48,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:09:48,804 INFO L225 Difference]: With dead ends: 1530 [2018-10-27 06:09:48,805 INFO L226 Difference]: Without dead ends: 997 [2018-10-27 06:09:48,808 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 228 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-27 06:09:48,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2018-10-27 06:09:48,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 997. [2018-10-27 06:09:48,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 997 states. [2018-10-27 06:09:48,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1433 transitions. [2018-10-27 06:09:48,853 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1433 transitions. Word has length 114 [2018-10-27 06:09:48,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:09:48,853 INFO L481 AbstractCegarLoop]: Abstraction has 997 states and 1433 transitions. [2018-10-27 06:09:48,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 06:09:48,854 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1433 transitions. [2018-10-27 06:09:48,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-27 06:09:48,858 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:09:48,858 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-27 06:09:48,859 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:09:48,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:09:48,859 INFO L82 PathProgramCache]: Analyzing trace with hash 896515303, now seen corresponding path program 1 times [2018-10-27 06:09:48,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:09:48,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:48,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:09:48,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:48,861 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:09:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:09:49,120 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:09:49,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:09:49,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 06:09:49,121 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:09:49,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 06:09:49,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:09:49,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:09:49,122 INFO L87 Difference]: Start difference. First operand 997 states and 1433 transitions. Second operand 3 states. [2018-10-27 06:09:51,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:09:51,035 INFO L93 Difference]: Finished difference Result 2438 states and 3658 transitions. [2018-10-27 06:09:51,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:09:51,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2018-10-27 06:09:51,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:09:51,047 INFO L225 Difference]: With dead ends: 2438 [2018-10-27 06:09:51,047 INFO L226 Difference]: Without dead ends: 1447 [2018-10-27 06:09:51,052 INFO L605 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 [2018-10-27 06:09:51,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1447 states. [2018-10-27 06:09:51,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1447 to 1447. [2018-10-27 06:09:51,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1447 states. [2018-10-27 06:09:51,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1447 states and 2086 transitions. [2018-10-27 06:09:51,099 INFO L78 Accepts]: Start accepts. Automaton has 1447 states and 2086 transitions. Word has length 120 [2018-10-27 06:09:51,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:09:51,100 INFO L481 AbstractCegarLoop]: Abstraction has 1447 states and 2086 transitions. [2018-10-27 06:09:51,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 06:09:51,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 2086 transitions. [2018-10-27 06:09:51,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-27 06:09:51,105 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:09:51,105 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:09:51,105 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:09:51,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:09:51,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1267173673, now seen corresponding path program 1 times [2018-10-27 06:09:51,106 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:09:51,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:51,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:09:51,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:51,107 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:09:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:09:51,347 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 06:09:51,735 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:09:51,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:09:51,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 06:09:51,736 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:09:51,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 06:09:51,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 06:09:51,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 06:09:51,737 INFO L87 Difference]: Start difference. First operand 1447 states and 2086 transitions. Second operand 6 states. [2018-10-27 06:09:52,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:09:52,969 INFO L93 Difference]: Finished difference Result 3031 states and 4481 transitions. [2018-10-27 06:09:52,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 06:09:52,970 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2018-10-27 06:09:52,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:09:52,981 INFO L225 Difference]: With dead ends: 3031 [2018-10-27 06:09:52,981 INFO L226 Difference]: Without dead ends: 1590 [2018-10-27 06:09:52,988 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 06:09:52,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2018-10-27 06:09:53,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1540. [2018-10-27 06:09:53,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1540 states. [2018-10-27 06:09:53,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 1980 transitions. [2018-10-27 06:09:53,047 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 1980 transitions. Word has length 128 [2018-10-27 06:09:53,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:09:53,048 INFO L481 AbstractCegarLoop]: Abstraction has 1540 states and 1980 transitions. [2018-10-27 06:09:53,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 06:09:53,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1980 transitions. [2018-10-27 06:09:53,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-27 06:09:53,052 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:09:53,053 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:09:53,053 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:09:53,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:09:53,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1675141633, now seen corresponding path program 1 times [2018-10-27 06:09:53,053 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:09:53,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:53,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:09:53,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:53,056 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:09:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:09:53,217 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:09:53,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:09:53,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 06:09:53,217 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:09:53,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 06:09:53,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:09:53,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:09:53,219 INFO L87 Difference]: Start difference. First operand 1540 states and 1980 transitions. Second operand 3 states. [2018-10-27 06:09:54,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:09:54,051 INFO L93 Difference]: Finished difference Result 4456 states and 5895 transitions. [2018-10-27 06:09:54,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:09:54,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2018-10-27 06:09:54,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:09:54,075 INFO L225 Difference]: With dead ends: 4456 [2018-10-27 06:09:54,076 INFO L226 Difference]: Without dead ends: 2922 [2018-10-27 06:09:54,083 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 [2018-10-27 06:09:54,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2922 states. [2018-10-27 06:09:54,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2922 to 2914. [2018-10-27 06:09:54,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2914 states. [2018-10-27 06:09:54,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 3698 transitions. [2018-10-27 06:09:54,168 INFO L78 Accepts]: Start accepts. Automaton has 2914 states and 3698 transitions. Word has length 129 [2018-10-27 06:09:54,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:09:54,169 INFO L481 AbstractCegarLoop]: Abstraction has 2914 states and 3698 transitions. [2018-10-27 06:09:54,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 06:09:54,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 3698 transitions. [2018-10-27 06:09:54,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-27 06:09:54,183 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:09:54,183 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 06:09:54,184 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:09:54,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:09:54,184 INFO L82 PathProgramCache]: Analyzing trace with hash 208675339, now seen corresponding path program 1 times [2018-10-27 06:09:54,184 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:09:54,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:54,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:09:54,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:54,186 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:09:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:09:54,818 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:09:54,819 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:09:54,819 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:09:54,819 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-10-27 06:09:54,820 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [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], [225], [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], [453], [455], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 06:09:54,827 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:09:54,827 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:09:55,314 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:09:55,314 INFO L272 AbstractInterpreter]: Visited 105 different actions 204 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-27 06:09:55,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:09:55,356 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:09:55,831 INFO L227 lantSequenceWeakener]: Weakened 163 states. On average, predicates are now at 81.63% of their original sizes. [2018-10-27 06:09:55,831 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:09:56,604 INFO L415 sIntCurrentIteration]: We unified 165 AI predicates to 165 [2018-10-27 06:09:56,605 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:09:56,606 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:09:56,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-10-27 06:09:56,606 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:09:56,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 06:09:56,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 06:09:56,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:09:56,607 INFO L87 Difference]: Start difference. First operand 2914 states and 3698 transitions. Second operand 10 states. [2018-10-27 06:10:09,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:10:09,190 INFO L93 Difference]: Finished difference Result 6373 states and 8229 transitions. [2018-10-27 06:10:09,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-27 06:10:09,191 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 166 [2018-10-27 06:10:09,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:10:09,206 INFO L225 Difference]: With dead ends: 6373 [2018-10-27 06:10:09,206 INFO L226 Difference]: Without dead ends: 3465 [2018-10-27 06:10:09,216 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 174 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-10-27 06:10:09,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3465 states. [2018-10-27 06:10:09,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3465 to 3326. [2018-10-27 06:10:09,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3326 states. [2018-10-27 06:10:09,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3326 states to 3326 states and 4153 transitions. [2018-10-27 06:10:09,297 INFO L78 Accepts]: Start accepts. Automaton has 3326 states and 4153 transitions. Word has length 166 [2018-10-27 06:10:09,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:10:09,298 INFO L481 AbstractCegarLoop]: Abstraction has 3326 states and 4153 transitions. [2018-10-27 06:10:09,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 06:10:09,298 INFO L276 IsEmpty]: Start isEmpty. Operand 3326 states and 4153 transitions. [2018-10-27 06:10:09,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-27 06:10:09,310 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:10:09,311 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 06:10:09,311 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:10:09,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:09,311 INFO L82 PathProgramCache]: Analyzing trace with hash 2117677329, now seen corresponding path program 1 times [2018-10-27 06:10:09,312 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:10:09,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:09,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:10:09,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:09,313 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:10:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:10:09,554 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 96 proven. 19 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 06:10:09,554 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:10:09,554 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:10:09,554 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-10-27 06:10:09,555 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [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], [225], [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], [453], [455], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 06:10:09,560 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:10:09,560 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:10:10,028 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:10:10,028 INFO L272 AbstractInterpreter]: Visited 107 different actions 322 times. Merged at 8 different actions 23 times. Never widened. Found 5 fixpoints after 3 different actions. Largest state had 42 variables. [2018-10-27 06:10:10,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:10,056 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:10:10,376 INFO L227 lantSequenceWeakener]: Weakened 192 states. On average, predicates are now at 83.34% of their original sizes. [2018-10-27 06:10:10,377 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:10:10,798 INFO L415 sIntCurrentIteration]: We unified 194 AI predicates to 194 [2018-10-27 06:10:10,798 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:10:10,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:10:10,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-10-27 06:10:10,799 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:10:10,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 06:10:10,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 06:10:10,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-27 06:10:10,800 INFO L87 Difference]: Start difference. First operand 3326 states and 4153 transitions. Second operand 9 states. [2018-10-27 06:10:16,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:10:16,907 INFO L93 Difference]: Finished difference Result 7078 states and 9081 transitions. [2018-10-27 06:10:16,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-27 06:10:16,907 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 195 [2018-10-27 06:10:16,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:10:16,923 INFO L225 Difference]: With dead ends: 7078 [2018-10-27 06:10:16,923 INFO L226 Difference]: Without dead ends: 4170 [2018-10-27 06:10:16,932 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 200 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-10-27 06:10:16,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4170 states. [2018-10-27 06:10:17,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4170 to 4155. [2018-10-27 06:10:17,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4155 states. [2018-10-27 06:10:17,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4155 states to 4155 states and 5248 transitions. [2018-10-27 06:10:17,037 INFO L78 Accepts]: Start accepts. Automaton has 4155 states and 5248 transitions. Word has length 195 [2018-10-27 06:10:17,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:10:17,037 INFO L481 AbstractCegarLoop]: Abstraction has 4155 states and 5248 transitions. [2018-10-27 06:10:17,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 06:10:17,038 INFO L276 IsEmpty]: Start isEmpty. Operand 4155 states and 5248 transitions. [2018-10-27 06:10:17,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-27 06:10:17,053 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:10:17,053 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:10:17,054 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:10:17,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:17,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1122503782, now seen corresponding path program 1 times [2018-10-27 06:10:17,054 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:10:17,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:17,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:10:17,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:17,056 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:10:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:10:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 125 proven. 37 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-27 06:10:17,508 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:10:17,508 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:10:17,509 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-10-27 06:10:17,509 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [53], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [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], [225], [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], [453], [455], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 06:10:17,514 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:10:17,517 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:10:17,848 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:10:17,848 INFO L272 AbstractInterpreter]: Visited 109 different actions 334 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Found 5 fixpoints after 3 different actions. Largest state had 42 variables. [2018-10-27 06:10:17,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:17,888 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:10:17,888 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:10:17,888 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 [2018-10-27 06:10:17,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:10:17,905 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:10:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:10:18,015 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:10:18,116 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-10-27 06:10:18,116 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:10:18,353 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 125 proven. 37 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-27 06:10:18,375 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 06:10:18,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-10-27 06:10:18,375 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 06:10:18,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 06:10:18,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 06:10:18,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-10-27 06:10:18,377 INFO L87 Difference]: Start difference. First operand 4155 states and 5248 transitions. Second operand 9 states. [2018-10-27 06:10:22,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:10:22,029 INFO L93 Difference]: Finished difference Result 11083 states and 14644 transitions. [2018-10-27 06:10:22,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-27 06:10:22,030 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 219 [2018-10-27 06:10:22,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:10:22,067 INFO L225 Difference]: With dead ends: 11083 [2018-10-27 06:10:22,068 INFO L226 Difference]: Without dead ends: 6773 [2018-10-27 06:10:22,088 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 438 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2018-10-27 06:10:22,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6773 states. [2018-10-27 06:10:22,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6773 to 6705. [2018-10-27 06:10:22,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6705 states. [2018-10-27 06:10:22,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6705 states to 6705 states and 8661 transitions. [2018-10-27 06:10:22,297 INFO L78 Accepts]: Start accepts. Automaton has 6705 states and 8661 transitions. Word has length 219 [2018-10-27 06:10:22,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:10:22,298 INFO L481 AbstractCegarLoop]: Abstraction has 6705 states and 8661 transitions. [2018-10-27 06:10:22,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 06:10:22,298 INFO L276 IsEmpty]: Start isEmpty. Operand 6705 states and 8661 transitions. [2018-10-27 06:10:22,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-27 06:10:22,335 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:10:22,335 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:10:22,335 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:10:22,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:22,336 INFO L82 PathProgramCache]: Analyzing trace with hash 889346168, now seen corresponding path program 1 times [2018-10-27 06:10:22,336 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:10:22,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:22,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:10:22,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:22,337 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:10:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:10:22,740 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 130 proven. 42 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-27 06:10:22,741 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:10:22,741 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:10:22,741 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-10-27 06:10:22,741 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [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], [225], [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], [453], [455], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-27 06:10:22,745 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:10:22,745 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:10:22,973 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:10:22,973 INFO L272 AbstractInterpreter]: Visited 109 different actions 334 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Found 5 fixpoints after 3 different actions. Largest state had 42 variables. [2018-10-27 06:10:22,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:22,982 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:10:22,982 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:10:22,983 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 06:10:22,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:10:22,992 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:10:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:10:23,100 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:10:23,291 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-27 06:10:23,291 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:10:23,469 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-27 06:10:23,490 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 06:10:23,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-10-27 06:10:23,490 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 06:10:23,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 06:10:23,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 06:10:23,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:10:23,492 INFO L87 Difference]: Start difference. First operand 6705 states and 8661 transitions. Second operand 9 states. [2018-10-27 06:10:26,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:10:26,650 INFO L93 Difference]: Finished difference Result 19460 states and 26358 transitions. [2018-10-27 06:10:26,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-27 06:10:26,654 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 224 [2018-10-27 06:10:26,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:10:26,655 INFO L225 Difference]: With dead ends: 19460 [2018-10-27 06:10:26,655 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 06:10:26,714 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 460 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=223, Invalid=707, Unknown=0, NotChecked=0, Total=930 [2018-10-27 06:10:26,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 06:10:26,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 06:10:26,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 06:10:26,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 06:10:26,716 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 224 [2018-10-27 06:10:26,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:10:26,716 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:10:26,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 06:10:26,716 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:10:26,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 06:10:26,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 06:10:27,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,672 WARN L179 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 169 [2018-10-27 06:10:27,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:27,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:10:28,334 WARN L179 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 162 [2018-10-27 06:10:28,778 WARN L179 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 20 [2018-10-27 06:10:29,159 WARN L179 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2018-10-27 06:10:32,490 WARN L179 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 253 DAG size of output: 82 [2018-10-27 06:10:33,333 WARN L179 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 54 [2018-10-27 06:10:34,166 WARN L179 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 54 [2018-10-27 06:10:34,170 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 06:10:34,170 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-10-27 06:10:34,170 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 06:10:34,170 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-27 06:10:34,170 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-27 06:10:34,171 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,171 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,171 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,171 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,171 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,171 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,171 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-27 06:10:34,171 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-27 06:10:34,172 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2018-10-27 06:10:34,172 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-27 06:10:34,172 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-27 06:10:34,172 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-27 06:10:34,172 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-27 06:10:34,172 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-27 06:10:34,172 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-27 06:10:34,172 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-27 06:10:34,172 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-27 06:10:34,172 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,172 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,173 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,173 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,173 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,173 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,173 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-27 06:10:34,173 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-27 06:10:34,173 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-27 06:10:34,173 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-27 06:10:34,173 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-27 06:10:34,173 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-27 06:10:34,173 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-27 06:10:34,173 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-27 06:10:34,173 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-27 06:10:34,173 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-27 06:10:34,174 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-27 06:10:34,174 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-27 06:10:34,174 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-27 06:10:34,174 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-27 06:10:34,174 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-10-27 06:10:34,174 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,174 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,174 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,175 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,175 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,175 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-27 06:10:34,175 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-27 06:10:34,175 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-27 06:10:34,175 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-27 06:10:34,175 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-27 06:10:34,175 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-27 06:10:34,176 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-27 06:10:34,176 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-27 06:10:34,176 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-27 06:10:34,176 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,176 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,176 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,176 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,176 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,177 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-27 06:10:34,177 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-27 06:10:34,177 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-27 06:10:34,177 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-27 06:10:34,177 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-27 06:10:34,177 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-27 06:10:34,177 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-27 06:10:34,177 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-27 06:10:34,177 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-27 06:10:34,178 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-27 06:10:34,178 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-27 06:10:34,178 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-27 06:10:34,178 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-27 06:10:34,178 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,178 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,178 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,178 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,179 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,179 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-27 06:10:34,179 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-27 06:10:34,179 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-27 06:10:34,179 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-27 06:10:34,179 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-27 06:10:34,179 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-27 06:10:34,179 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-27 06:10:34,179 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-27 06:10:34,180 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-27 06:10:34,180 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,180 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,180 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,180 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,180 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,180 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,180 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-27 06:10:34,181 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,181 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-27 06:10:34,181 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-27 06:10:34,181 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-27 06:10:34,181 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-27 06:10:34,181 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-27 06:10:34,181 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-27 06:10:34,181 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-27 06:10:34,181 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-27 06:10:34,181 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-27 06:10:34,182 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-27 06:10:34,182 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-27 06:10:34,182 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-27 06:10:34,182 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-27 06:10:34,182 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,182 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,182 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,182 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,182 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,183 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-27 06:10:34,183 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-27 06:10:34,183 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-27 06:10:34,183 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-27 06:10:34,183 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-27 06:10:34,183 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-27 06:10:34,183 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-27 06:10:34,183 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-27 06:10:34,183 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,183 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,184 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,184 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,184 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,184 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-27 06:10:34,184 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-27 06:10:34,184 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-27 06:10:34,184 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-27 06:10:34,184 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-27 06:10:34,184 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-27 06:10:34,185 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-27 06:10:34,185 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-27 06:10:34,185 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-27 06:10:34,185 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-27 06:10:34,185 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse12 (= 4 |old(~a16~0)|)) (.cse11 (= 15 |old(~a8~0)|)) (.cse2 (= 1 |old(~a20~0)|)) (.cse18 (= |old(~a8~0)| ~a8~0)) (.cse19 (= |old(~a16~0)| ~a16~0))) (let ((.cse14 (= 0 |old(~a16~0)|)) (.cse9 (= ~a7~0 0)) (.cse7 (< 0 |old(~a17~0)|)) (.cse16 (and (<= ~a17~0 |old(~a17~0)|) .cse18 .cse19 (= ~a21~0 |old(~a21~0)|))) (.cse3 (not (= 0 |old(~a7~0)|))) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse6 (not (= 8 ~a12~0))) (.cse8 (= |calculate_output_#in~input| 0)) (.cse15 (= ~a20~0 1)) (.cse13 (not .cse2)) (.cse4 (not .cse11)) (.cse10 (not (= |old(~a16~0)| 5))) (.cse17 (< 13 |old(~a8~0)|)) (.cse5 (not .cse12)) (.cse1 (not (= 1 ~a20~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse1 .cse10 .cse2 .cse11) (or (or .cse3 .cse0 .cse12 .cse13 .cse4) .cse14 .cse6 .cse7 .cse8 .cse15) (or (or .cse3 .cse0 (not (= 0 |old(~a17~0)|))) (and (= ~a17~0 0) .cse15) .cse5 .cse6 .cse8 .cse13 .cse4) (or .cse0 .cse16 .cse12) (or .cse17 .cse7 .cse16) (or .cse3 .cse0 .cse9 .cse12 .cse4 .cse14 .cse6 .cse8) (or .cse3 .cse0 .cse4 .cse5 .cse6 .cse8 .cse2 .cse9) (or (= 6 |old(~a16~0)|) .cse17 .cse16) (or .cse16 .cse0 .cse7) (or .cse0 .cse16 .cse11) (or .cse0 .cse2 .cse16) (or .cse3 .cse0 .cse6 .cse8 (not (= 1 |old(~a17~0)|)) (and (= ~a17~0 1) .cse15) .cse13 .cse4 (not (= 5 |old(~a16~0)|))) (or (and .cse18 .cse19) .cse10 .cse11) (or .cse17 .cse5 .cse2 .cse1)))) [2018-10-27 06:10:34,185 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-27 06:10:34,185 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,186 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,186 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,186 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,186 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-27 06:10:34,186 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,186 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,186 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-27 06:10:34,186 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-27 06:10:34,186 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-27 06:10:34,187 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-27 06:10:34,187 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-27 06:10:34,187 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-27 06:10:34,187 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-27 06:10:34,187 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-27 06:10:34,187 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-27 06:10:34,187 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-27 06:10:34,187 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-27 06:10:34,187 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-27 06:10:34,187 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,188 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,188 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,188 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,188 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,188 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-27 06:10:34,188 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,188 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-27 06:10:34,188 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-27 06:10:34,188 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-27 06:10:34,189 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-27 06:10:34,189 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-27 06:10:34,189 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-27 06:10:34,189 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-27 06:10:34,189 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-27 06:10:34,189 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-27 06:10:34,189 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-27 06:10:34,189 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-27 06:10:34,189 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-27 06:10:34,189 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-27 06:10:34,190 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-27 06:10:34,190 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,190 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,190 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,190 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,190 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,190 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-10-27 06:10:34,190 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-27 06:10:34,190 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-27 06:10:34,191 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-27 06:10:34,191 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-27 06:10:34,191 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-27 06:10:34,191 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-27 06:10:34,191 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-27 06:10:34,191 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-27 06:10:34,191 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-27 06:10:34,191 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-27 06:10:34,191 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 06:10:34,192 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-10-27 06:10:34,192 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 06:10:34,192 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 06:10:34,192 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (and (= ~a17~0 1) (= ~a7~0 0) (= |old(~a8~0)| ~a8~0) (= 1 ~a21~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-10-27 06:10:34,192 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-10-27 06:10:34,192 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~a8~0 13)) (.cse1 (<= ~a17~0 0)) (.cse3 (not (= ~a8~0 15))) (.cse2 (= 1 ~a21~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1) (not (= 8 ~a12~0)) (and .cse0 (not (= ~a16~0 6))) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (not (= 1 ~a20~0)) .cse2) (and (= |old(~a16~0)| ~a16~0) .cse3) (and .cse2 .cse1) (and .cse2 (not (= ~a16~0 4))) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (and .cse3 .cse2) (not (= 15 |old(~a8~0)|)))) [2018-10-27 06:10:34,192 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-10-27 06:10:34,193 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-27 06:10:34,193 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-27 06:10:34,193 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= ~a8~0 13)) (.cse1 (<= ~a17~0 0)) (.cse3 (not (= ~a8~0 15))) (.cse2 (= 1 ~a21~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1) (not (= 8 ~a12~0)) (and .cse0 (not (= ~a16~0 6))) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (not (= 1 ~a20~0)) .cse2) (and (= |old(~a16~0)| ~a16~0) .cse3) (and .cse2 .cse1) (and .cse2 (not (= ~a16~0 4))) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (and .cse3 .cse2) (not (= 15 |old(~a8~0)|)))) [2018-10-27 06:10:34,193 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-10-27 06:10:34,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 06:10:34 BoogieIcfgContainer [2018-10-27 06:10:34,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 06:10:34,207 INFO L168 Benchmark]: Toolchain (without parser) took 58291.48 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-10-27 06:10:34,208 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 06:10:34,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.94 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-27 06:10:34,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 188.43 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 704.6 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -792.8 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2018-10-27 06:10:34,211 INFO L168 Benchmark]: Boogie Preprocessor took 66.13 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 06:10:34,211 INFO L168 Benchmark]: RCFGBuilder took 3552.17 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 106.6 MB). Peak memory consumption was 106.6 MB. Max. memory is 7.1 GB. [2018-10-27 06:10:34,212 INFO L168 Benchmark]: TraceAbstraction took 53777.98 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 968.4 MB). Free memory was 2.0 GB in the beginning and 2.5 GB in the end (delta: -443.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-10-27 06:10:34,217 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 701.94 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 188.43 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 704.6 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -792.8 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.13 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3552.17 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 106.6 MB). Peak memory consumption was 106.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 53777.98 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 968.4 MB). Free memory was 2.0 GB in the beginning and 2.5 GB in the end (delta: -443.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: 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: ((((((((((((!(1 == \old(a21)) || (a8 <= 13 && a17 <= 0)) || !(8 == a12)) || (a8 <= 13 && !(a16 == 6))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (!(1 == a20) && 1 == a21)) || (\old(a16) == a16 && !(a8 == 15))) || (1 == a21 && a17 <= 0)) || (1 == a21 && !(a16 == 4))) || !(0 == \old(a7))) || !(1 == \old(a17))) || (!(a8 == 15) && 1 == a21)) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 53.6s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 34.5s AutomataDifference, 0.0s DeadEndRemovalTime, 7.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1872 SDtfs, 5971 SDslu, 1969 SDs, 0 SdLazy, 10995 SolverSat, 1868 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.3s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1588 GetRequests, 1482 SyntacticMatches, 9 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6705occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.6s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.9976519047922453 AbsIntWeakeningRatio, 0.19498607242339833 AbsIntAvgWeakeningVarsNumRemoved, 27.972144846796656 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 295 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 350 PreInvPairs, 708 NumberOfFragments, 644 HoareAnnotationTreeSize, 350 FomulaSimplifications, 16774 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13172 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 2067 NumberOfCodeBlocks, 2067 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2608 ConstructedInterpolants, 0 QuantifiedInterpolants, 1038605 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1582 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 1369/1522 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...