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/Problem10_label38_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 20:04:31,739 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 20:04:31,742 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 20:04:31,756 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 20:04:31,756 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 20:04:31,758 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 20:04:31,759 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 20:04:31,762 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 20:04:31,765 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 20:04:31,768 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 20:04:31,770 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 20:04:31,771 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 20:04:31,771 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 20:04:31,773 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 20:04:31,774 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 20:04:31,775 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 20:04:31,777 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 20:04:31,784 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 20:04:31,787 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 20:04:31,790 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 20:04:31,791 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 20:04:31,795 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 20:04:31,797 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 20:04:31,798 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 20:04:31,800 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 20:04:31,801 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 20:04:31,802 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 20:04:31,804 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 20:04:31,805 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 20:04:31,807 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 20:04:31,808 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 20:04:31,808 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 20:04:31,809 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 20:04:31,810 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 20:04:31,811 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 20:04:31,812 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 20:04:31,813 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 20:04:31,842 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 20:04:31,842 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 20:04:31,843 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 20:04:31,843 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 20:04:31,843 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 20:04:31,843 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 20:04:31,844 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 20:04:31,844 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 20:04:31,844 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 20:04:31,844 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 20:04:31,845 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 20:04:31,845 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 20:04:31,845 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 20:04:31,847 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 20:04:31,847 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 20:04:31,847 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 20:04:31,847 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 20:04:31,847 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 20:04:31,848 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 20:04:31,848 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 20:04:31,848 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 20:04:31,848 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 20:04:31,848 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 20:04:31,849 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 20:04:31,850 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 20:04:31,850 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 20:04:31,850 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 20:04:31,850 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 20:04:31,851 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 20:04:31,851 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 20:04:31,851 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 20:04:31,851 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 20:04:31,851 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 20:04:31,852 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 20:04:31,852 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 20:04:31,903 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 20:04:31,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 20:04:31,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 20:04:31,931 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 20:04:31,932 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 20:04:31,933 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38_true-unreach-call.c [2018-11-07 20:04:31,996 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1c531801/2540c6897dd3422bb072f4650ee727a7/FLAGc48018975 [2018-11-07 20:04:32,584 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 20:04:32,586 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label38_true-unreach-call.c [2018-11-07 20:04:32,598 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1c531801/2540c6897dd3422bb072f4650ee727a7/FLAGc48018975 [2018-11-07 20:04:32,614 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1c531801/2540c6897dd3422bb072f4650ee727a7 [2018-11-07 20:04:32,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 20:04:32,627 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 20:04:32,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 20:04:32,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 20:04:32,633 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 20:04:32,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:04:32" (1/1) ... [2018-11-07 20:04:32,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f099800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:32, skipping insertion in model container [2018-11-07 20:04:32,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:04:32" (1/1) ... [2018-11-07 20:04:32,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 20:04:32,701 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 20:04:33,157 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:04:33,162 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 20:04:33,297 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:04:33,320 INFO L193 MainTranslator]: Completed translation [2018-11-07 20:04:33,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33 WrapperNode [2018-11-07 20:04:33,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 20:04:33,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 20:04:33,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 20:04:33,322 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 20:04:33,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2018-11-07 20:04:33,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2018-11-07 20:04:33,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 20:04:33,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 20:04:33,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 20:04:33,453 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 20:04:33,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2018-11-07 20:04:33,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2018-11-07 20:04:33,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2018-11-07 20:04:33,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2018-11-07 20:04:33,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2018-11-07 20:04:33,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2018-11-07 20:04:33,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (1/1) ... [2018-11-07 20:04:33,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 20:04:33,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 20:04:33,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 20:04:33,552 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 20:04:33,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (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 20:04:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 20:04:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 20:04:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 20:04:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 20:04:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 20:04:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 20:04:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 20:04:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 20:04:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 20:04:36,888 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 20:04:36,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:04:36 BoogieIcfgContainer [2018-11-07 20:04:36,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 20:04:36,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 20:04:36,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 20:04:36,894 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 20:04:36,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:04:32" (1/3) ... [2018-11-07 20:04:36,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5d5489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:04:36, skipping insertion in model container [2018-11-07 20:04:36,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:04:33" (2/3) ... [2018-11-07 20:04:36,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5d5489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:04:36, skipping insertion in model container [2018-11-07 20:04:36,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:04:36" (3/3) ... [2018-11-07 20:04:36,898 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label38_true-unreach-call.c [2018-11-07 20:04:36,908 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 20:04:36,918 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 20:04:36,936 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 20:04:36,972 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 20:04:36,972 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 20:04:36,973 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 20:04:36,973 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 20:04:36,973 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 20:04:36,973 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 20:04:36,973 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 20:04:36,974 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 20:04:37,000 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-07 20:04:37,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-07 20:04:37,014 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:04:37,016 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] [2018-11-07 20:04:37,020 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:04:37,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:04:37,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1705771087, now seen corresponding path program 1 times [2018-11-07 20:04:37,031 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:04:37,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:04:37,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:04:37,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:04:37,091 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:04:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:04:37,526 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:04:37,634 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 20:04:37,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:04:37,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 20:04:37,639 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:04:37,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 20:04:37,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 20:04:37,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:04:37,666 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-07 20:04:39,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:04:39,213 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-07 20:04:39,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 20:04:39,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-11-07 20:04:39,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:04:39,233 INFO L225 Difference]: With dead ends: 574 [2018-11-07 20:04:39,233 INFO L226 Difference]: Without dead ends: 356 [2018-11-07 20:04:39,240 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 20:04:39,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-07 20:04:39,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-07 20:04:39,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-07 20:04:39,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 607 transitions. [2018-11-07 20:04:39,323 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 607 transitions. Word has length 39 [2018-11-07 20:04:39,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:04:39,323 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 607 transitions. [2018-11-07 20:04:39,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 20:04:39,326 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 607 transitions. [2018-11-07 20:04:39,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-07 20:04:39,336 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:04:39,340 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] [2018-11-07 20:04:39,340 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:04:39,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:04:39,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1698105396, now seen corresponding path program 1 times [2018-11-07 20:04:39,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:04:39,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:04:39,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:04:39,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:04:39,343 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:04:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:04:39,690 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 20:04:39,690 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:04:39,690 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:04:39,692 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 128 with the following transitions: [2018-11-07 20:04:39,694 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [213], [215], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:04:39,741 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:04:39,742 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:04:40,239 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:04:40,243 INFO L272 AbstractInterpreter]: Visited 92 different actions 92 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 20:04:40,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:04:40,284 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:04:40,699 INFO L227 lantSequenceWeakener]: Weakened 121 states. On average, predicates are now at 73.29% of their original sizes. [2018-11-07 20:04:40,699 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:04:41,052 INFO L415 sIntCurrentIteration]: We unified 126 AI predicates to 126 [2018-11-07 20:04:41,052 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:04:41,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:04:41,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2018-11-07 20:04:41,054 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:04:41,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 20:04:41,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 20:04:41,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-07 20:04:41,057 INFO L87 Difference]: Start difference. First operand 356 states and 607 transitions. Second operand 7 states. [2018-11-07 20:04:43,265 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:04:53,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:04:53,670 INFO L93 Difference]: Finished difference Result 852 states and 1471 transitions. [2018-11-07 20:04:53,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 20:04:53,670 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 127 [2018-11-07 20:04:53,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:04:53,675 INFO L225 Difference]: With dead ends: 852 [2018-11-07 20:04:53,675 INFO L226 Difference]: Without dead ends: 502 [2018-11-07 20:04:53,678 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 127 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-07 20:04:53,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2018-11-07 20:04:53,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 500. [2018-11-07 20:04:53,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2018-11-07 20:04:53,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 757 transitions. [2018-11-07 20:04:53,720 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 757 transitions. Word has length 127 [2018-11-07 20:04:53,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:04:53,720 INFO L480 AbstractCegarLoop]: Abstraction has 500 states and 757 transitions. [2018-11-07 20:04:53,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 20:04:53,721 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 757 transitions. [2018-11-07 20:04:53,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-07 20:04:53,727 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:04:53,728 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:04:53,728 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:04:53,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:04:53,729 INFO L82 PathProgramCache]: Analyzing trace with hash -752870242, now seen corresponding path program 1 times [2018-11-07 20:04:53,729 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:04:53,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:04:53,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:04:53,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:04:53,731 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:04:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:04:54,176 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:04:54,458 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-07 20:04:54,458 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:04:54,459 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:04:54,459 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-11-07 20:04:54,460 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [213], [215], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:04:54,465 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:04:54,465 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:04:54,710 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:04:55,462 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:04:55,462 INFO L272 AbstractInterpreter]: Visited 96 different actions 546 times. Merged at 5 different actions 25 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 20:04:55,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:04:55,491 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:04:55,975 INFO L227 lantSequenceWeakener]: Weakened 41 states. On average, predicates are now at 75.69% of their original sizes. [2018-11-07 20:04:55,975 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:04:56,825 INFO L415 sIntCurrentIteration]: We unified 197 AI predicates to 197 [2018-11-07 20:04:56,825 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:04:56,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:04:56,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [4] total 17 [2018-11-07 20:04:56,828 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:04:56,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 20:04:56,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 20:04:56,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-11-07 20:04:56,829 INFO L87 Difference]: Start difference. First operand 500 states and 757 transitions. Second operand 15 states. [2018-11-07 20:05:09,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:05:09,466 INFO L93 Difference]: Finished difference Result 1153 states and 1900 transitions. [2018-11-07 20:05:09,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 20:05:09,467 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 198 [2018-11-07 20:05:09,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:05:09,472 INFO L225 Difference]: With dead ends: 1153 [2018-11-07 20:05:09,472 INFO L226 Difference]: Without dead ends: 803 [2018-11-07 20:05:09,475 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 204 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2018-11-07 20:05:09,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2018-11-07 20:05:09,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 798. [2018-11-07 20:05:09,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2018-11-07 20:05:09,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1084 transitions. [2018-11-07 20:05:09,509 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1084 transitions. Word has length 198 [2018-11-07 20:05:09,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:05:09,510 INFO L480 AbstractCegarLoop]: Abstraction has 798 states and 1084 transitions. [2018-11-07 20:05:09,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 20:05:09,510 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1084 transitions. [2018-11-07 20:05:09,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-07 20:05:09,514 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:05:09,515 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:05:09,515 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:05:09,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:05:09,515 INFO L82 PathProgramCache]: Analyzing trace with hash -431726249, now seen corresponding path program 1 times [2018-11-07 20:05:09,516 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:05:09,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:05:09,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:05:09,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:05:09,517 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:05:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:05:09,809 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:05:10,538 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 65 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-07 20:05:10,538 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:05:10,538 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:05:10,538 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 208 with the following transitions: [2018-11-07 20:05:10,539 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [213], [215], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:05:10,547 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:05:10,548 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:05:10,585 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:05:10,827 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:05:10,827 INFO L272 AbstractInterpreter]: Visited 96 different actions 377 times. Merged at 7 different actions 26 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-07 20:05:10,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:05:10,831 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:05:11,457 INFO L227 lantSequenceWeakener]: Weakened 204 states. On average, predicates are now at 75.37% of their original sizes. [2018-11-07 20:05:11,458 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:05:11,652 INFO L415 sIntCurrentIteration]: We unified 206 AI predicates to 206 [2018-11-07 20:05:11,652 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:05:11,652 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:05:11,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 17 [2018-11-07 20:05:11,653 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:05:11,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 20:05:11,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 20:05:11,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 20:05:11,655 INFO L87 Difference]: Start difference. First operand 798 states and 1084 transitions. Second operand 11 states. [2018-11-07 20:05:23,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:05:23,844 INFO L93 Difference]: Finished difference Result 2328 states and 3657 transitions. [2018-11-07 20:05:23,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-07 20:05:23,844 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 207 [2018-11-07 20:05:23,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:05:23,855 INFO L225 Difference]: With dead ends: 2328 [2018-11-07 20:05:23,855 INFO L226 Difference]: Without dead ends: 1684 [2018-11-07 20:05:23,859 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 218 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2018-11-07 20:05:23,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1684 states. [2018-11-07 20:05:23,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1684 to 1656. [2018-11-07 20:05:23,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1656 states. [2018-11-07 20:05:23,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 2315 transitions. [2018-11-07 20:05:23,916 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 2315 transitions. Word has length 207 [2018-11-07 20:05:23,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:05:23,917 INFO L480 AbstractCegarLoop]: Abstraction has 1656 states and 2315 transitions. [2018-11-07 20:05:23,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 20:05:23,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2315 transitions. [2018-11-07 20:05:23,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-07 20:05:23,925 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:05:23,925 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:05:23,926 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:05:23,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:05:23,926 INFO L82 PathProgramCache]: Analyzing trace with hash -381406013, now seen corresponding path program 1 times [2018-11-07 20:05:23,926 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:05:23,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:05:23,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:05:23,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:05:23,928 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:05:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:05:24,368 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 20:05:24,563 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 20:05:24,990 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-07 20:05:25,226 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 172 proven. 72 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-07 20:05:25,226 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:05:25,226 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:05:25,227 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 319 with the following transitions: [2018-11-07 20:05:25,227 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [213], [215], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:05:25,231 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:05:25,232 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:05:25,284 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:05:25,802 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 20:05:25,802 INFO L272 AbstractInterpreter]: Visited 136 different actions 804 times. Merged at 8 different actions 48 times. Widened at 1 different actions 2 times. Found 10 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-07 20:05:25,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:05:25,813 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 20:05:25,813 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:05:25,813 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 20:05:25,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:05:25,825 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 20:05:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:05:25,950 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 20:05:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 287 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-07 20:05:26,570 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 20:05:27,210 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 172 proven. 72 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-07 20:05:27,231 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 20:05:27,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 15 [2018-11-07 20:05:27,231 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 20:05:27,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 20:05:27,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 20:05:27,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-11-07 20:05:27,233 INFO L87 Difference]: Start difference. First operand 1656 states and 2315 transitions. Second operand 14 states. [2018-11-07 20:05:27,659 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 20:05:29,462 WARN L179 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2018-11-07 20:05:30,916 WARN L179 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 15 [2018-11-07 20:05:32,808 WARN L179 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2018-11-07 20:05:36,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:05:36,704 INFO L93 Difference]: Finished difference Result 5554 states and 8422 transitions. [2018-11-07 20:05:36,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-07 20:05:36,705 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 318 [2018-11-07 20:05:36,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:05:36,719 INFO L225 Difference]: With dead ends: 5554 [2018-11-07 20:05:36,720 INFO L226 Difference]: Without dead ends: 2027 [2018-11-07 20:05:36,744 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 685 GetRequests, 649 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=335, Invalid=925, Unknown=0, NotChecked=0, Total=1260 [2018-11-07 20:05:36,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2027 states. [2018-11-07 20:05:36,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2027 to 1709. [2018-11-07 20:05:36,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1709 states. [2018-11-07 20:05:36,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1709 states and 2060 transitions. [2018-11-07 20:05:36,820 INFO L78 Accepts]: Start accepts. Automaton has 1709 states and 2060 transitions. Word has length 318 [2018-11-07 20:05:36,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:05:36,821 INFO L480 AbstractCegarLoop]: Abstraction has 1709 states and 2060 transitions. [2018-11-07 20:05:36,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 20:05:36,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2060 transitions. [2018-11-07 20:05:36,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-11-07 20:05:36,830 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:05:36,831 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:05:36,831 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:05:36,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:05:36,831 INFO L82 PathProgramCache]: Analyzing trace with hash 943837883, now seen corresponding path program 1 times [2018-11-07 20:05:36,832 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:05:36,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:05:36,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:05:36,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:05:36,833 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:05:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:05:37,527 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 286 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-07 20:05:37,527 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:05:37,527 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:05:37,528 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 355 with the following transitions: [2018-11-07 20:05:37,528 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [213], [215], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:05:37,542 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:05:37,542 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:05:37,736 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:05:38,314 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 20:05:38,315 INFO L272 AbstractInterpreter]: Visited 136 different actions 535 times. Merged at 8 different actions 27 times. Never widened. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 20:05:38,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:05:38,353 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 20:05:38,353 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:05:38,353 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-11-07 20:05:38,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:05:38,371 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 20:05:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:05:38,490 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 20:05:38,792 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 286 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-07 20:05:38,792 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 20:05:39,719 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 286 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-07 20:05:39,741 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 20:05:39,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-07 20:05:39,741 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 20:05:39,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 20:05:39,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 20:05:39,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-07 20:05:39,743 INFO L87 Difference]: Start difference. First operand 1709 states and 2060 transitions. Second operand 7 states. [2018-11-07 20:05:41,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:05:41,432 INFO L93 Difference]: Finished difference Result 3975 states and 4963 transitions. [2018-11-07 20:05:41,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 20:05:41,432 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 354 [2018-11-07 20:05:41,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:05:41,444 INFO L225 Difference]: With dead ends: 3975 [2018-11-07 20:05:41,445 INFO L226 Difference]: Without dead ends: 2566 [2018-11-07 20:05:41,449 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 721 GetRequests, 708 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-11-07 20:05:41,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2566 states. [2018-11-07 20:05:41,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2566 to 2284. [2018-11-07 20:05:41,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2284 states. [2018-11-07 20:05:41,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 2284 states and 2711 transitions. [2018-11-07 20:05:41,524 INFO L78 Accepts]: Start accepts. Automaton has 2284 states and 2711 transitions. Word has length 354 [2018-11-07 20:05:41,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:05:41,525 INFO L480 AbstractCegarLoop]: Abstraction has 2284 states and 2711 transitions. [2018-11-07 20:05:41,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 20:05:41,525 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 2711 transitions. [2018-11-07 20:05:41,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2018-11-07 20:05:41,536 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:05:41,536 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:05:41,536 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:05:41,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:05:41,537 INFO L82 PathProgramCache]: Analyzing trace with hash 170172098, now seen corresponding path program 1 times [2018-11-07 20:05:41,537 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:05:41,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:05:41,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:05:41,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:05:41,538 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:05:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:05:41,792 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-07 20:05:41,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:05:41,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 20:05:41,792 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:05:41,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 20:05:41,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 20:05:41,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 20:05:41,793 INFO L87 Difference]: Start difference. First operand 2284 states and 2711 transitions. Second operand 4 states. [2018-11-07 20:05:42,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:05:42,549 INFO L93 Difference]: Finished difference Result 2624 states and 3068 transitions. [2018-11-07 20:05:42,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 20:05:42,549 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 367 [2018-11-07 20:05:42,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:05:42,550 INFO L225 Difference]: With dead ends: 2624 [2018-11-07 20:05:42,550 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 20:05:42,555 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 20:05:42,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 20:05:42,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 20:05:42,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 20:05:42,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 20:05:42,556 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 367 [2018-11-07 20:05:42,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:05:42,557 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 20:05:42,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 20:05:42,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 20:05:42,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 20:05:42,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 20:05:42,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:05:42,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:05:42,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:05:42,944 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 164 [2018-11-07 20:05:43,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:05:43,085 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 153 [2018-11-07 20:05:43,605 WARN L179 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 30 [2018-11-07 20:05:44,403 WARN L179 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 47 [2018-11-07 20:05:49,310 WARN L179 SmtUtils]: Spent 4.90 s on a formula simplification. DAG size of input: 271 DAG size of output: 47 [2018-11-07 20:05:49,804 WARN L179 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 49 [2018-11-07 20:05:50,228 WARN L179 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 53 [2018-11-07 20:05:50,231 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 20:05:50,232 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)) [2018-11-07 20:05:50,232 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 20:05:50,232 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-07 20:05:50,232 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,232 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,232 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,232 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,232 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,232 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,233 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-07 20:05:50,233 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-07 20:05:50,233 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-07 20:05:50,233 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-07 20:05:50,233 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-07 20:05:50,233 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-07 20:05:50,233 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-07 20:05:50,233 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-07 20:05:50,233 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-07 20:05:50,233 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-07 20:05:50,233 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-07 20:05:50,233 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,233 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,233 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,234 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,234 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,234 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-07 20:05:50,234 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-07 20:05:50,234 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-07 20:05:50,234 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-07 20:05:50,234 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-07 20:05:50,234 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-07 20:05:50,234 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-07 20:05:50,234 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-07 20:05:50,234 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-07 20:05:50,235 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-07 20:05:50,235 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-07 20:05:50,235 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-07 20:05:50,235 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-07 20:05:50,235 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-07 20:05:50,235 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,235 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,235 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,235 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,235 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,235 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-07 20:05:50,235 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-07 20:05:50,235 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-07 20:05:50,236 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-07 20:05:50,236 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-07 20:05:50,236 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-07 20:05:50,236 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-07 20:05:50,236 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-07 20:05:50,236 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-07 20:05:50,236 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-07 20:05:50,236 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,236 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,236 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,236 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,237 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,237 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-07 20:05:50,237 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-07 20:05:50,237 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-07 20:05:50,237 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-07 20:05:50,237 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-07 20:05:50,237 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-07 20:05:50,237 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-07 20:05:50,237 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-07 20:05:50,237 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-07 20:05:50,237 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-07 20:05:50,237 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-07 20:05:50,238 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-07 20:05:50,238 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-07 20:05:50,238 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,238 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,238 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,238 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,238 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,238 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-07 20:05:50,239 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-07 20:05:50,239 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-07 20:05:50,239 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-07 20:05:50,239 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-07 20:05:50,239 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-07 20:05:50,239 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-07 20:05:50,239 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-07 20:05:50,239 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-07 20:05:50,239 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,240 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,240 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,240 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,240 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,240 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,240 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,240 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-07 20:05:50,240 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-07 20:05:50,240 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-07 20:05:50,240 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-07 20:05:50,240 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-07 20:05:50,240 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-07 20:05:50,241 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-07 20:05:50,241 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-07 20:05:50,241 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-07 20:05:50,241 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-07 20:05:50,241 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-07 20:05:50,241 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-07 20:05:50,241 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-07 20:05:50,241 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,241 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,241 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,241 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,241 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,242 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-07 20:05:50,242 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,242 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-07 20:05:50,242 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-07 20:05:50,242 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-07 20:05:50,242 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-07 20:05:50,242 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-07 20:05:50,242 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-07 20:05:50,242 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-07 20:05:50,242 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-07 20:05:50,243 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-07 20:05:50,243 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-07 20:05:50,243 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-07 20:05:50,243 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-07 20:05:50,243 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-07 20:05:50,243 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,243 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,243 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,243 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,243 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,243 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,244 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-07 20:05:50,244 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-07 20:05:50,244 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-07 20:05:50,244 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-07 20:05:50,244 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-07 20:05:50,244 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-07 20:05:50,244 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-07 20:05:50,244 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-07 20:05:50,244 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-07 20:05:50,244 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-07 20:05:50,244 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-07 20:05:50,245 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (= ~a1~0 |old(~a1~0)|)) (.cse6 (= ~a10~0 |old(~a10~0)|)) (.cse7 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse6 .cse7)) (.cse5 (and .cse6 .cse7 .cse1)) (.cse4 (= 4 |old(~a10~0)|)) (.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= 0 ~a12~0)))) (and (or (and .cse0 .cse1) (or (< 6 |calculate_output_#in~input|) (or .cse2 (< 9 |old(~a19~0)|)) (< |calculate_output_#in~input| 2) .cse3 (< |old(~a19~0)| 8))) (or .cse4 .cse2 .cse3 .cse0) (or .cse5 .cse2 .cse3 (not (= 6 |old(~a19~0)|))) (or .cse5 (or .cse4 .cse2 .cse3) (= 7 |old(~a19~0)|))))) [2018-11-07 20:05:50,245 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-07 20:05:50,245 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-07 20:05:50,245 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-07 20:05:50,245 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,245 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,245 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,245 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,245 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,246 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,246 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-07 20:05:50,246 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-07 20:05:50,246 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-07 20:05:50,246 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-07 20:05:50,246 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-07 20:05:50,246 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-07 20:05:50,246 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-07 20:05:50,246 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-07 20:05:50,246 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-07 20:05:50,246 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-07 20:05:50,246 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-07 20:05:50,246 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-07 20:05:50,246 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-07 20:05:50,247 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,247 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,247 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,247 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,247 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,247 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,247 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-07 20:05:50,247 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-07 20:05:50,247 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-07 20:05:50,247 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-07 20:05:50,247 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-07 20:05:50,247 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-07 20:05:50,247 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-07 20:05:50,247 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-07 20:05:50,248 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-07 20:05:50,248 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-07 20:05:50,248 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-07 20:05:50,248 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-07 20:05:50,248 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,248 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,248 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,248 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,248 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,248 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:05:50,249 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-07 20:05:50,249 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-07 20:05:50,249 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 100) no Hoare annotation was computed. [2018-11-07 20:05:50,249 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-07 20:05:50,249 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-07 20:05:50,249 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-07 20:05:50,249 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-07 20:05:50,249 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-07 20:05:50,250 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-07 20:05:50,250 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-07 20:05:50,250 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-07 20:05:50,250 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-07 20:05:50,250 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-07 20:05:50,250 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 20:05:50,250 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~inputF~0 6) (= ~inputC~0 3) (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~inputB~0 2) (= ~a1~0 23) (= ~inputE~0 5) (= ~a4~0 14) (= ~inputD~0 4)) [2018-11-07 20:05:50,250 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 20:05:50,251 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 20:05:50,251 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= ~inputE~0 5)) (and (= ~a10~0 |old(~a10~0)|) (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|)) (not (= 3 ~inputC~0)) (not (= |old(~a1~0)| 23)) (not (= ~a4~0 14)) (not (= 2 ~inputB~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 4 ~inputD~0)) (not (= |old(~a10~0)| 0)) (not (= ~inputF~0 6))) [2018-11-07 20:05:50,251 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-07 20:05:50,251 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (and (and (<= ~a19~0 9) (<= 8 ~a19~0)) (<= main_~input~0 6) (<= 2 main_~input~0)) (not (= |old(~a1~0)| 23)) (not (= 0 ~a12~0)) (not (= 4 ~inputD~0)) (not (= ~a10~0 4)) (not (= ~inputE~0 5)) (not (= 3 ~inputC~0)) (= 6 ~a19~0) (not (= ~a4~0 14)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (not (= |old(~a10~0)| 0)) (not (= ~inputF~0 6))) [2018-11-07 20:05:50,251 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-07 20:05:50,251 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-07 20:05:50,251 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-07 20:05:50,252 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (or (not (= |old(~a1~0)| 23)) (not (= 0 ~a12~0)) (not (= 4 ~inputD~0)) (not (= ~a10~0 4)) (not (= ~inputE~0 5)) (not (= 3 ~inputC~0)) (= 6 ~a19~0) (not (= ~a4~0 14)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (and (<= ~a19~0 9) (<= 8 ~a19~0)) (not (= |old(~a10~0)| 0)) (not (= ~inputF~0 6))) [2018-11-07 20:05:50,252 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-07 20:05:50,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:05:50 BoogieIcfgContainer [2018-11-07 20:05:50,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 20:05:50,268 INFO L168 Benchmark]: Toolchain (without parser) took 77641.57 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-11-07 20:05:50,270 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 20:05:50,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-07 20:05:50,272 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.39 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 748.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -843.3 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2018-11-07 20:05:50,273 INFO L168 Benchmark]: Boogie Preprocessor took 98.58 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 20:05:50,274 INFO L168 Benchmark]: RCFGBuilder took 3337.37 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: 102.9 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB. [2018-11-07 20:05:50,275 INFO L168 Benchmark]: TraceAbstraction took 73377.04 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: -929.2 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-11-07 20:05:50,280 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 692.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 130.39 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 748.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -843.3 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.58 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 3337.37 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: 102.9 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 73377.04 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: -929.2 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 100]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((((!(\old(a1) == 23) || !(0 == a12)) || !(4 == inputD)) || !(a10 == 4)) || !(inputE == 5)) || !(3 == inputC)) || 6 == a19) || !(a4 == 14)) || !(2 == inputB)) || !(\old(a19) == 9)) || (a19 <= 9 && 8 <= a19)) || !(\old(a10) == 0)) || !(inputF == 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 73.2s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 51.0s AutomataDifference, 0.0s DeadEndRemovalTime, 7.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 837 SDtfs, 6341 SDslu, 1270 SDs, 0 SdLazy, 9123 SolverSat, 2445 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.6s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1965 GetRequests, 1864 SyntacticMatches, 7 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2284occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.3s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9964328873619754 AbsIntWeakeningRatio, 0.13610586011342155 AbsIntAvgWeakeningVarsNumRemoved, 11.342155009451796 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 635 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 55 PreInvPairs, 101 NumberOfFragments, 317 HoareAnnotationTreeSize, 55 FomulaSimplifications, 7306 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 12340 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 2282 NumberOfCodeBlocks, 2282 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2943 ConstructedInterpolants, 0 QuantifiedInterpolants, 2668790 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1096 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 2493/2735 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...