java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label48_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 18:41:40,947 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 18:41:40,949 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 18:41:40,961 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 18:41:40,961 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 18:41:40,962 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 18:41:40,964 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 18:41:40,966 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 18:41:40,967 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 18:41:40,968 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 18:41:40,969 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 18:41:40,970 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 18:41:40,970 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 18:41:40,972 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 18:41:40,973 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 18:41:40,973 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 18:41:40,977 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 18:41:40,982 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 18:41:40,984 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 18:41:40,985 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 18:41:40,988 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 18:41:40,989 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 18:41:40,993 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 18:41:40,993 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 18:41:40,993 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 18:41:40,995 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 18:41:40,997 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 18:41:40,998 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 18:41:40,999 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 18:41:41,000 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 18:41:41,000 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 18:41:41,003 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-07 18:41:41,008 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 18:41:41,039 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 18:41:41,039 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 18:41:41,040 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 18:41:41,040 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 18:41:41,040 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 18:41:41,041 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 18:41:41,041 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 18:41:41,041 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 18:41:41,041 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 18:41:41,042 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 18:41:41,042 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 18:41:41,042 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 18:41:41,042 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 18:41:41,043 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 18:41:41,043 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 18:41:41,043 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 18:41:41,043 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 18:41:41,043 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 18:41:41,044 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 18:41:41,044 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 18:41:41,044 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 18:41:41,044 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 18:41:41,044 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 18:41:41,045 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 18:41:41,045 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 18:41:41,045 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:41:41,045 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 18:41:41,046 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 18:41:41,046 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 18:41:41,046 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 18:41:41,046 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 18:41:41,046 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 18:41:41,047 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 18:41:41,047 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 18:41:41,047 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 18:41:41,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 18:41:41,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 18:41:41,113 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 18:41:41,114 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 18:41:41,115 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 18:41:41,116 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label48_true-unreach-call_false-termination.c [2018-11-07 18:41:41,191 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef2fda0af/96070e1ad1f1430b9fd763aadcf79c16/FLAG46cd4fe8e [2018-11-07 18:41:41,767 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 18:41:41,768 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label48_true-unreach-call_false-termination.c [2018-11-07 18:41:41,782 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef2fda0af/96070e1ad1f1430b9fd763aadcf79c16/FLAG46cd4fe8e [2018-11-07 18:41:41,808 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef2fda0af/96070e1ad1f1430b9fd763aadcf79c16 [2018-11-07 18:41:41,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 18:41:41,822 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 18:41:41,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 18:41:41,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 18:41:41,827 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 18:41:41,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:41:41" (1/1) ... [2018-11-07 18:41:41,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f02a909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:41, skipping insertion in model container [2018-11-07 18:41:41,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:41:41" (1/1) ... [2018-11-07 18:41:41,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 18:41:41,926 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 18:41:42,460 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:41:42,467 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 18:41:42,596 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:41:42,619 INFO L193 MainTranslator]: Completed translation [2018-11-07 18:41:42,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:42 WrapperNode [2018-11-07 18:41:42,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 18:41:42,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 18:41:42,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 18:41:42,621 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 18:41:42,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:42" (1/1) ... [2018-11-07 18:41:42,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:42" (1/1) ... [2018-11-07 18:41:42,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 18:41:42,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 18:41:42,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 18:41:42,768 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 18:41:42,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:42" (1/1) ... [2018-11-07 18:41:42,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:42" (1/1) ... [2018-11-07 18:41:42,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:42" (1/1) ... [2018-11-07 18:41:42,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:42" (1/1) ... [2018-11-07 18:41:42,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:42" (1/1) ... [2018-11-07 18:41:42,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:42" (1/1) ... [2018-11-07 18:41:42,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:42" (1/1) ... [2018-11-07 18:41:42,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 18:41:42,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 18:41:42,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 18:41:42,886 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 18:41:42,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:41:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 18:41:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 18:41:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 18:41:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 18:41:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 18:41:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 18:41:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 18:41:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 18:41:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 18:41:46,365 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 18:41:46,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:41:46 BoogieIcfgContainer [2018-11-07 18:41:46,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 18:41:46,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 18:41:46,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 18:41:46,371 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 18:41:46,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:41:41" (1/3) ... [2018-11-07 18:41:46,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d295980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:41:46, skipping insertion in model container [2018-11-07 18:41:46,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:42" (2/3) ... [2018-11-07 18:41:46,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d295980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:41:46, skipping insertion in model container [2018-11-07 18:41:46,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:41:46" (3/3) ... [2018-11-07 18:41:46,376 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label48_true-unreach-call_false-termination.c [2018-11-07 18:41:46,387 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 18:41:46,396 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 18:41:46,417 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 18:41:46,458 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 18:41:46,458 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 18:41:46,458 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 18:41:46,459 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 18:41:46,459 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 18:41:46,459 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 18:41:46,459 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 18:41:46,460 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 18:41:46,489 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-07 18:41:46,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-07 18:41:46,505 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:46,506 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:41:46,509 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:46,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:46,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1626685704, now seen corresponding path program 1 times [2018-11-07 18:41:46,520 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:46,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:46,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:46,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:46,585 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:47,196 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:41:47,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:41:47,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:41:47,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:41:47,368 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:41:47,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:41:47,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:41:47,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:41:47,397 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-07 18:41:48,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:48,945 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-07 18:41:48,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:41:48,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2018-11-07 18:41:48,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:48,969 INFO L225 Difference]: With dead ends: 550 [2018-11-07 18:41:48,969 INFO L226 Difference]: Without dead ends: 340 [2018-11-07 18:41:48,976 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:41:48,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-07 18:41:49,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-07 18:41:49,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-07 18:41:49,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 571 transitions. [2018-11-07 18:41:49,058 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 571 transitions. Word has length 128 [2018-11-07 18:41:49,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:49,059 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 571 transitions. [2018-11-07 18:41:49,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:41:49,059 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 571 transitions. [2018-11-07 18:41:49,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-07 18:41:49,066 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:49,066 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:41:49,067 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:49,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:49,067 INFO L82 PathProgramCache]: Analyzing trace with hash 421031855, now seen corresponding path program 1 times [2018-11-07 18:41:49,067 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:49,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:49,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:49,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:49,069 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:49,428 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:41:49,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:41:49,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 18:41:49,429 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:41:49,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 18:41:49,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 18:41:49,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 18:41:49,434 INFO L87 Difference]: Start difference. First operand 340 states and 571 transitions. Second operand 4 states. [2018-11-07 18:41:51,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:51,217 INFO L93 Difference]: Finished difference Result 1218 states and 2175 transitions. [2018-11-07 18:41:51,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 18:41:51,218 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 146 [2018-11-07 18:41:51,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:51,229 INFO L225 Difference]: With dead ends: 1218 [2018-11-07 18:41:51,229 INFO L226 Difference]: Without dead ends: 884 [2018-11-07 18:41:51,236 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 18:41:51,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2018-11-07 18:41:51,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 884. [2018-11-07 18:41:51,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 884 states. [2018-11-07 18:41:51,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1407 transitions. [2018-11-07 18:41:51,306 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1407 transitions. Word has length 146 [2018-11-07 18:41:51,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:51,306 INFO L480 AbstractCegarLoop]: Abstraction has 884 states and 1407 transitions. [2018-11-07 18:41:51,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 18:41:51,307 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1407 transitions. [2018-11-07 18:41:51,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-07 18:41:51,315 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:51,315 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:41:51,316 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:51,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:51,316 INFO L82 PathProgramCache]: Analyzing trace with hash -653728073, now seen corresponding path program 1 times [2018-11-07 18:41:51,316 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:51,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:51,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:51,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:51,319 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:51,621 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:41:51,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:41:51,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:41:51,622 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:41:51,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:41:51,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:41:51,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:41:51,624 INFO L87 Difference]: Start difference. First operand 884 states and 1407 transitions. Second operand 3 states. [2018-11-07 18:41:54,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:54,487 INFO L93 Difference]: Finished difference Result 2578 states and 4238 transitions. [2018-11-07 18:41:54,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:41:54,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2018-11-07 18:41:54,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:54,505 INFO L225 Difference]: With dead ends: 2578 [2018-11-07 18:41:54,505 INFO L226 Difference]: Without dead ends: 1700 [2018-11-07 18:41:54,512 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:41:54,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2018-11-07 18:41:54,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1700. [2018-11-07 18:41:54,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1700 states. [2018-11-07 18:41:54,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2537 transitions. [2018-11-07 18:41:54,604 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2537 transitions. Word has length 163 [2018-11-07 18:41:54,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:54,605 INFO L480 AbstractCegarLoop]: Abstraction has 1700 states and 2537 transitions. [2018-11-07 18:41:54,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:41:54,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2537 transitions. [2018-11-07 18:41:54,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-07 18:41:54,614 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:54,615 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, 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] [2018-11-07 18:41:54,615 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:54,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:54,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1255807087, now seen corresponding path program 1 times [2018-11-07 18:41:54,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:54,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:54,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:54,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:54,618 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:54,876 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:41:54,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:41:54,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:41:54,876 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:41:54,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:41:54,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:41:54,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:41:54,878 INFO L87 Difference]: Start difference. First operand 1700 states and 2537 transitions. Second operand 6 states. [2018-11-07 18:41:56,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:56,444 INFO L93 Difference]: Finished difference Result 4353 states and 6550 transitions. [2018-11-07 18:41:56,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:41:56,445 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 199 [2018-11-07 18:41:56,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:56,465 INFO L225 Difference]: With dead ends: 4353 [2018-11-07 18:41:56,465 INFO L226 Difference]: Without dead ends: 2659 [2018-11-07 18:41:56,478 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 18:41:56,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2659 states. [2018-11-07 18:41:56,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2659 to 2619. [2018-11-07 18:41:56,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2619 states. [2018-11-07 18:41:56,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2619 states and 3469 transitions. [2018-11-07 18:41:56,578 INFO L78 Accepts]: Start accepts. Automaton has 2619 states and 3469 transitions. Word has length 199 [2018-11-07 18:41:56,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:56,578 INFO L480 AbstractCegarLoop]: Abstraction has 2619 states and 3469 transitions. [2018-11-07 18:41:56,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:41:56,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2619 states and 3469 transitions. [2018-11-07 18:41:56,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-07 18:41:56,592 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:56,593 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:41:56,593 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:56,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:56,593 INFO L82 PathProgramCache]: Analyzing trace with hash 560725732, now seen corresponding path program 1 times [2018-11-07 18:41:56,594 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:56,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:56,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:56,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:56,595 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:56,899 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-07 18:41:56,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:41:56,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:41:56,900 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:41:56,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:41:56,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:41:56,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:41:56,902 INFO L87 Difference]: Start difference. First operand 2619 states and 3469 transitions. Second operand 3 states. [2018-11-07 18:41:57,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:57,899 INFO L93 Difference]: Finished difference Result 7426 states and 10051 transitions. [2018-11-07 18:41:57,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:41:57,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2018-11-07 18:41:57,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:57,903 INFO L225 Difference]: With dead ends: 7426 [2018-11-07 18:41:57,903 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 18:41:57,933 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:41:57,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 18:41:57,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 18:41:57,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 18:41:57,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 18:41:57,934 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 215 [2018-11-07 18:41:57,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:57,935 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 18:41:57,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:41:57,935 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 18:41:57,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 18:41:57,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 18:41:58,324 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 8 [2018-11-07 18:41:59,001 WARN L179 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 42 [2018-11-07 18:41:59,133 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:41:59,134 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a8~0)| ~a8~0) [2018-11-07 18:41:59,134 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:41:59,134 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-07 18:41:59,134 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-07 18:41:59,135 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,135 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,135 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,135 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,135 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,135 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,136 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-07 18:41:59,136 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-07 18:41:59,136 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-07 18:41:59,136 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-07 18:41:59,136 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-07 18:41:59,136 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-07 18:41:59,137 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-07 18:41:59,137 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-07 18:41:59,137 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-07 18:41:59,137 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-07 18:41:59,137 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,137 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,138 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,138 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,138 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,138 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,138 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-07 18:41:59,138 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-07 18:41:59,139 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-07 18:41:59,139 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-07 18:41:59,139 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-07 18:41:59,139 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-07 18:41:59,139 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-07 18:41:59,139 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-07 18:41:59,140 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-07 18:41:59,140 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-07 18:41:59,140 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-07 18:41:59,140 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-07 18:41:59,140 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-07 18:41:59,140 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-07 18:41:59,141 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-07 18:41:59,141 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,141 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,141 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,141 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,142 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,142 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-07 18:41:59,142 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-07 18:41:59,142 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-07 18:41:59,142 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-07 18:41:59,143 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-07 18:41:59,143 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-07 18:41:59,143 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-07 18:41:59,143 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-07 18:41:59,144 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-07 18:41:59,144 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,144 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,144 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,144 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,144 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,145 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-07 18:41:59,145 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-07 18:41:59,145 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-07 18:41:59,145 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-07 18:41:59,145 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-07 18:41:59,145 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-07 18:41:59,146 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-07 18:41:59,146 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-07 18:41:59,146 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-07 18:41:59,146 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-07 18:41:59,146 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-07 18:41:59,146 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-07 18:41:59,147 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-07 18:41:59,147 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,147 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,147 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,147 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,148 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,148 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-07 18:41:59,148 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-07 18:41:59,148 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-07 18:41:59,148 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-07 18:41:59,148 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-07 18:41:59,149 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-07 18:41:59,149 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-07 18:41:59,149 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-07 18:41:59,149 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-07 18:41:59,149 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,149 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,150 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,150 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,150 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,150 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,150 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,150 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-07 18:41:59,150 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-07 18:41:59,151 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-07 18:41:59,151 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-07 18:41:59,151 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-07 18:41:59,151 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-07 18:41:59,151 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-07 18:41:59,151 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-07 18:41:59,152 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-07 18:41:59,152 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-07 18:41:59,152 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-07 18:41:59,152 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-07 18:41:59,152 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-07 18:41:59,152 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-07 18:41:59,153 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,153 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,153 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,153 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,153 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,153 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-07 18:41:59,154 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-07 18:41:59,154 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-07 18:41:59,154 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-07 18:41:59,154 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-07 18:41:59,154 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-07 18:41:59,154 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-07 18:41:59,155 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-07 18:41:59,155 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,155 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,155 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,155 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,155 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,156 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-07 18:41:59,156 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-07 18:41:59,156 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-07 18:41:59,156 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-07 18:41:59,156 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-07 18:41:59,157 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-07 18:41:59,157 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-07 18:41:59,157 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-07 18:41:59,157 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-07 18:41:59,157 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-07 18:41:59,158 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse2 (= 13 |old(~a8~0)|)) (.cse3 (not (= 1 |old(~a7~0)|))) (.cse4 (not (= ~a20~0 1))) (.cse5 (= 1 |old(~a20~0)|)) (.cse6 (= 5 |old(~a16~0)|)) (.cse1 (= 14 |old(~a8~0)|)) (.cse0 (= |old(~a8~0)| ~a8~0)) (.cse7 (not (= 5 ~a16~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 4 |old(~a16~0)|)) (and .cse0 (= 4 ~a16~0))) (or (and (= 1 ~a7~0) .cse0) .cse3) (or (and .cse4 .cse0) .cse2 .cse5) (or .cse6 .cse3 .cse7) (or .cse4 .cse3 .cse5) (or .cse6 .cse4 .cse5) (or .cse6 .cse7 .cse5) (or .cse6 .cse1 (and .cse0 .cse7)))) [2018-11-07 18:41:59,158 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-07 18:41:59,158 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,158 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,158 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,158 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,159 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,159 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-07 18:41:59,159 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,159 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-07 18:41:59,159 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-07 18:41:59,159 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-07 18:41:59,159 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-07 18:41:59,162 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-07 18:41:59,162 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-07 18:41:59,162 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-07 18:41:59,162 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-07 18:41:59,162 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-07 18:41:59,163 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-07 18:41:59,163 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-07 18:41:59,163 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-07 18:41:59,165 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 539) no Hoare annotation was computed. [2018-11-07 18:41:59,165 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,165 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,165 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,166 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,166 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,166 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,166 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-07 18:41:59,166 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-07 18:41:59,166 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-07 18:41:59,166 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-07 18:41:59,167 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-07 18:41:59,167 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-07 18:41:59,167 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-07 18:41:59,167 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-07 18:41:59,167 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-07 18:41:59,167 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-07 18:41:59,170 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-07 18:41:59,170 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-07 18:41:59,170 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-07 18:41:59,170 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-07 18:41:59,170 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-07 18:41:59,170 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,171 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,171 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,171 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,171 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,171 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:41:59,171 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-07 18:41:59,171 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-07 18:41:59,172 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-07 18:41:59,172 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-07 18:41:59,172 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-07 18:41:59,172 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-07 18:41:59,172 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-07 18:41:59,172 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-07 18:41:59,172 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-07 18:41:59,173 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-07 18:41:59,176 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:41:59,176 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a8~0 14)) (not (= ~a8~0 13))) [2018-11-07 18:41:59,176 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 18:41:59,176 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:41:59,177 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= |old(~a8~0)| ~a8~0) (= 14 |old(~a8~0)|) (= 13 |old(~a8~0)|)) [2018-11-07 18:41:59,177 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-07 18:41:59,177 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a8~0 14))) (.cse1 (not (= ~a8~0 13)))) (or (= 1 ~a7~0) (and .cse0 .cse1) (= 14 |old(~a8~0)|) (= 13 |old(~a8~0)|) (and (not (= 5 ~a16~0)) .cse0) (= 4 ~a16~0) (and (not (= ~a20~0 1)) .cse1))) [2018-11-07 18:41:59,177 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-07 18:41:59,178 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-07 18:41:59,178 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-07 18:41:59,178 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a8~0 14))) (.cse1 (not (= ~a8~0 13)))) (or (= 1 ~a7~0) (and .cse0 .cse1) (= 14 |old(~a8~0)|) (= 13 |old(~a8~0)|) (and (not (= 5 ~a16~0)) .cse0) (= 4 ~a16~0) (and (not (= ~a20~0 1)) .cse1))) [2018-11-07 18:41:59,178 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-07 18:41:59,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:41:59 BoogieIcfgContainer [2018-11-07 18:41:59,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 18:41:59,220 INFO L168 Benchmark]: Toolchain (without parser) took 17399.19 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 885.5 MB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -250.7 MB). Peak memory consumption was 634.8 MB. Max. memory is 7.1 GB. [2018-11-07 18:41:59,221 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:41:59,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 18:41:59,223 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.26 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.6 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-11-07 18:41:59,224 INFO L168 Benchmark]: Boogie Preprocessor took 118.54 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:41:59,225 INFO L168 Benchmark]: RCFGBuilder took 3480.47 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 7.1 GB. [2018-11-07 18:41:59,225 INFO L168 Benchmark]: TraceAbstraction took 12848.38 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 136.3 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 436.0 MB). Peak memory consumption was 572.3 MB. Max. memory is 7.1 GB. [2018-11-07 18:41:59,240 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 797.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 146.26 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.6 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.54 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3480.47 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12848.38 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 136.3 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 436.0 MB). Peak memory consumption was 572.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 539]: 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 == a7 || (!(a8 == 14) && !(a8 == 13))) || 14 == \old(a8)) || 13 == \old(a8)) || (!(5 == a16) && !(a8 == 14))) || 4 == a16) || (!(a20 == 1) && !(a8 == 13)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 12.7s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 8.9s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1177 SDtfs, 1172 SDslu, 319 SDs, 0 SdLazy, 2980 SolverSat, 697 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2619occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 40 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 76 PreInvPairs, 140 NumberOfFragments, 214 HoareAnnotationTreeSize, 76 FomulaSimplifications, 1106 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 825 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 851 NumberOfCodeBlocks, 851 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 846 ConstructedInterpolants, 0 QuantifiedInterpolants, 459720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 212/212 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...