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/Problem11_label38_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 20:11:14,849 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 20:11:14,853 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 20:11:14,868 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 20:11:14,868 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 20:11:14,869 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 20:11:14,871 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 20:11:14,872 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 20:11:14,874 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 20:11:14,875 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 20:11:14,876 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 20:11:14,876 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 20:11:14,877 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 20:11:14,878 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 20:11:14,879 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 20:11:14,880 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 20:11:14,881 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 20:11:14,883 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 20:11:14,885 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 20:11:14,886 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 20:11:14,888 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 20:11:14,889 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 20:11:14,892 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 20:11:14,892 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 20:11:14,892 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 20:11:14,893 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 20:11:14,894 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 20:11:14,895 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 20:11:14,896 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 20:11:14,897 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 20:11:14,897 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 20:11:14,899 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 20:11:14,899 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 20:11:14,899 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 20:11:14,900 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 20:11:14,901 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 20:11:14,901 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 20:11:14,924 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 20:11:14,925 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 20:11:14,926 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 20:11:14,926 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 20:11:14,926 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 20:11:14,926 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 20:11:14,926 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 20:11:14,927 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 20:11:14,927 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 20:11:14,927 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 20:11:14,927 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 20:11:14,927 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 20:11:14,928 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 20:11:14,928 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 20:11:14,929 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 20:11:14,929 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 20:11:14,929 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 20:11:14,929 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 20:11:14,929 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 20:11:14,930 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 20:11:14,930 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 20:11:14,930 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 20:11:14,930 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 20:11:14,930 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 20:11:14,931 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 20:11:14,931 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 20:11:14,931 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 20:11:14,931 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 20:11:14,931 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 20:11:14,932 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 20:11:14,932 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 20:11:14,932 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 20:11:14,932 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 20:11:14,932 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 20:11:14,933 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 20:11:14,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 20:11:15,011 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 20:11:15,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 20:11:15,017 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 20:11:15,018 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 20:11:15,019 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label38_true-unreach-call.c [2018-11-07 20:11:15,094 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a68bad11/c343d27b71a04e4ab0e69b16c6d86b7d/FLAGe90983faa [2018-11-07 20:11:15,745 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 20:11:15,749 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label38_true-unreach-call.c [2018-11-07 20:11:15,769 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a68bad11/c343d27b71a04e4ab0e69b16c6d86b7d/FLAGe90983faa [2018-11-07 20:11:15,789 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a68bad11/c343d27b71a04e4ab0e69b16c6d86b7d [2018-11-07 20:11:15,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 20:11:15,804 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 20:11:15,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 20:11:15,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 20:11:15,814 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 20:11:15,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:11:15" (1/1) ... [2018-11-07 20:11:15,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41600c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:11:15, skipping insertion in model container [2018-11-07 20:11:15,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:11:15" (1/1) ... [2018-11-07 20:11:15,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 20:11:15,912 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 20:11:16,582 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:11:16,588 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 20:11:16,825 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:11:16,844 INFO L193 MainTranslator]: Completed translation [2018-11-07 20:11:16,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:11:16 WrapperNode [2018-11-07 20:11:16,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 20:11:16,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 20:11:16,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 20:11:16,847 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 20:11:16,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:11:16" (1/1) ... [2018-11-07 20:11:17,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:11:16" (1/1) ... [2018-11-07 20:11:17,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 20:11:17,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 20:11:17,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 20:11:17,042 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 20:11:17,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:11:16" (1/1) ... [2018-11-07 20:11:17,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:11:16" (1/1) ... [2018-11-07 20:11:17,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:11:16" (1/1) ... [2018-11-07 20:11:17,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:11:16" (1/1) ... [2018-11-07 20:11:17,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:11:16" (1/1) ... [2018-11-07 20:11:17,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:11:16" (1/1) ... [2018-11-07 20:11:17,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:11:16" (1/1) ... [2018-11-07 20:11:17,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 20:11:17,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 20:11:17,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 20:11:17,178 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 20:11:17,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:11:16" (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 20:11:17,256 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 20:11:17,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 20:11:17,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 20:11:17,257 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 20:11:17,257 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 20:11:17,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 20:11:17,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 20:11:17,258 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 20:11:17,258 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 20:11:21,555 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 20:11:21,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:11:21 BoogieIcfgContainer [2018-11-07 20:11:21,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 20:11:21,557 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 20:11:21,557 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 20:11:21,561 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 20:11:21,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:11:15" (1/3) ... [2018-11-07 20:11:21,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6af46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:11:21, skipping insertion in model container [2018-11-07 20:11:21,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:11:16" (2/3) ... [2018-11-07 20:11:21,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6af46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:11:21, skipping insertion in model container [2018-11-07 20:11:21,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:11:21" (3/3) ... [2018-11-07 20:11:21,565 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label38_true-unreach-call.c [2018-11-07 20:11:21,576 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 20:11:21,586 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 20:11:21,605 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 20:11:21,647 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 20:11:21,647 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 20:11:21,647 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 20:11:21,647 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 20:11:21,647 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 20:11:21,648 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 20:11:21,648 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 20:11:21,648 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 20:11:21,678 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-11-07 20:11:21,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-07 20:11:21,690 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:11:21,691 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:11:21,694 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:11:21,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:11:21,700 INFO L82 PathProgramCache]: Analyzing trace with hash 296004705, now seen corresponding path program 1 times [2018-11-07 20:11:21,703 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:11:21,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:11:21,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:11:21,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:11:21,765 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:11:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:11:22,292 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:11:22,364 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 20:11:22,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:11:22,367 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 20:11:22,367 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:11:22,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 20:11:22,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 20:11:22,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:11:22,393 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-11-07 20:11:24,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:11:24,309 INFO L93 Difference]: Finished difference Result 782 states and 1372 transitions. [2018-11-07 20:11:24,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 20:11:24,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2018-11-07 20:11:24,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:11:24,331 INFO L225 Difference]: With dead ends: 782 [2018-11-07 20:11:24,332 INFO L226 Difference]: Without dead ends: 487 [2018-11-07 20:11:24,341 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 20:11:24,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-11-07 20:11:24,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 482. [2018-11-07 20:11:24,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-11-07 20:11:24,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 837 transitions. [2018-11-07 20:11:24,430 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 837 transitions. Word has length 67 [2018-11-07 20:11:24,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:11:24,431 INFO L480 AbstractCegarLoop]: Abstraction has 482 states and 837 transitions. [2018-11-07 20:11:24,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 20:11:24,431 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 837 transitions. [2018-11-07 20:11:24,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-07 20:11:24,441 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:11:24,441 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:11:24,441 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:11:24,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:11:24,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1433084721, now seen corresponding path program 1 times [2018-11-07 20:11:24,442 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:11:24,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:11:24,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:11:24,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:11:24,444 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:11:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:11:25,035 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:11:25,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:11:25,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 20:11:25,036 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:11:25,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 20:11:25,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 20:11:25,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 20:11:25,042 INFO L87 Difference]: Start difference. First operand 482 states and 837 transitions. Second operand 6 states. [2018-11-07 20:11:30,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:11:30,235 INFO L93 Difference]: Finished difference Result 1802 states and 3378 transitions. [2018-11-07 20:11:30,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 20:11:30,236 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-11-07 20:11:30,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:11:30,252 INFO L225 Difference]: With dead ends: 1802 [2018-11-07 20:11:30,253 INFO L226 Difference]: Without dead ends: 1326 [2018-11-07 20:11:30,263 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 20:11:30,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2018-11-07 20:11:30,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1284. [2018-11-07 20:11:30,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1284 states. [2018-11-07 20:11:30,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1948 transitions. [2018-11-07 20:11:30,372 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1948 transitions. Word has length 138 [2018-11-07 20:11:30,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:11:30,373 INFO L480 AbstractCegarLoop]: Abstraction has 1284 states and 1948 transitions. [2018-11-07 20:11:30,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 20:11:30,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1948 transitions. [2018-11-07 20:11:30,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-07 20:11:30,388 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:11:30,390 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 20:11:30,390 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:11:30,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:11:30,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1675544195, now seen corresponding path program 1 times [2018-11-07 20:11:30,391 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:11:30,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:11:30,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:11:30,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:11:30,393 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:11:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:11:30,798 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:11:30,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:11:30,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 20:11:30,799 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:11:30,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 20:11:30,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 20:11:30,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-07 20:11:30,800 INFO L87 Difference]: Start difference. First operand 1284 states and 1948 transitions. Second operand 6 states. [2018-11-07 20:11:36,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:11:36,669 INFO L93 Difference]: Finished difference Result 4497 states and 7268 transitions. [2018-11-07 20:11:36,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 20:11:36,671 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2018-11-07 20:11:36,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:11:36,700 INFO L225 Difference]: With dead ends: 4497 [2018-11-07 20:11:36,701 INFO L226 Difference]: Without dead ends: 3219 [2018-11-07 20:11:36,716 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-07 20:11:36,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2018-11-07 20:11:36,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 3180. [2018-11-07 20:11:36,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3180 states. [2018-11-07 20:11:36,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3180 states to 3180 states and 4560 transitions. [2018-11-07 20:11:36,842 INFO L78 Accepts]: Start accepts. Automaton has 3180 states and 4560 transitions. Word has length 148 [2018-11-07 20:11:36,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:11:36,842 INFO L480 AbstractCegarLoop]: Abstraction has 3180 states and 4560 transitions. [2018-11-07 20:11:36,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 20:11:36,843 INFO L276 IsEmpty]: Start isEmpty. Operand 3180 states and 4560 transitions. [2018-11-07 20:11:36,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-07 20:11:36,851 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:11:36,851 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:11:36,851 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:11:36,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:11:36,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1977764724, now seen corresponding path program 1 times [2018-11-07 20:11:36,852 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:11:36,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:11:36,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:11:36,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:11:36,853 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:11:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:11:37,128 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:11:37,129 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:11:37,129 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:11:37,130 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 213 with the following transitions: [2018-11-07 20:11:37,132 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [510], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-07 20:11:37,178 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:11:37,179 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:11:37,662 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:11:37,664 INFO L272 AbstractInterpreter]: Visited 79 different actions 79 times. Never merged. Never widened. Never found a fixpoint. Largest state had 28 variables. [2018-11-07 20:11:37,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:11:37,716 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:11:38,376 INFO L227 lantSequenceWeakener]: Weakened 203 states. On average, predicates are now at 73.86% of their original sizes. [2018-11-07 20:11:38,376 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:11:38,723 INFO L415 sIntCurrentIteration]: We unified 211 AI predicates to 211 [2018-11-07 20:11:38,723 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:11:38,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:11:38,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-07 20:11:38,725 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:11:38,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 20:11:38,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 20:11:38,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-07 20:11:38,728 INFO L87 Difference]: Start difference. First operand 3180 states and 4560 transitions. Second operand 7 states. [2018-11-07 20:11:41,670 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:11:56,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:11:56,649 INFO L93 Difference]: Finished difference Result 6546 states and 9331 transitions. [2018-11-07 20:11:56,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 20:11:56,649 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 212 [2018-11-07 20:11:56,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:11:56,668 INFO L225 Difference]: With dead ends: 6546 [2018-11-07 20:11:56,668 INFO L226 Difference]: Without dead ends: 3372 [2018-11-07 20:11:56,683 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 212 GetRequests, 206 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 20:11:56,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3372 states. [2018-11-07 20:11:56,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3372 to 3370. [2018-11-07 20:11:56,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3370 states. [2018-11-07 20:11:56,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3370 states to 3370 states and 4759 transitions. [2018-11-07 20:11:56,783 INFO L78 Accepts]: Start accepts. Automaton has 3370 states and 4759 transitions. Word has length 212 [2018-11-07 20:11:56,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:11:56,784 INFO L480 AbstractCegarLoop]: Abstraction has 3370 states and 4759 transitions. [2018-11-07 20:11:56,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 20:11:56,784 INFO L276 IsEmpty]: Start isEmpty. Operand 3370 states and 4759 transitions. [2018-11-07 20:11:56,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-07 20:11:56,792 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:11:56,792 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:11:56,793 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:11:56,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:11:56,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1735669, now seen corresponding path program 1 times [2018-11-07 20:11:56,793 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:11:56,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:11:56,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:11:56,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:11:56,795 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:11:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:11:57,087 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-07 20:11:57,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:11:57,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 20:11:57,088 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:11:57,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 20:11:57,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 20:11:57,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 20:11:57,090 INFO L87 Difference]: Start difference. First operand 3370 states and 4759 transitions. Second operand 4 states. [2018-11-07 20:11:59,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:11:59,204 INFO L93 Difference]: Finished difference Result 9948 states and 15521 transitions. [2018-11-07 20:11:59,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 20:11:59,205 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 265 [2018-11-07 20:11:59,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:11:59,247 INFO L225 Difference]: With dead ends: 9948 [2018-11-07 20:11:59,247 INFO L226 Difference]: Without dead ends: 6774 [2018-11-07 20:11:59,272 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 20:11:59,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6774 states. [2018-11-07 20:11:59,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6774 to 6761. [2018-11-07 20:11:59,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6761 states. [2018-11-07 20:11:59,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6761 states to 6761 states and 9968 transitions. [2018-11-07 20:11:59,472 INFO L78 Accepts]: Start accepts. Automaton has 6761 states and 9968 transitions. Word has length 265 [2018-11-07 20:11:59,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:11:59,473 INFO L480 AbstractCegarLoop]: Abstraction has 6761 states and 9968 transitions. [2018-11-07 20:11:59,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 20:11:59,473 INFO L276 IsEmpty]: Start isEmpty. Operand 6761 states and 9968 transitions. [2018-11-07 20:11:59,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-11-07 20:11:59,495 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:11:59,496 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:11:59,496 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:11:59,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:11:59,497 INFO L82 PathProgramCache]: Analyzing trace with hash 902442976, now seen corresponding path program 1 times [2018-11-07 20:11:59,497 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:11:59,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:11:59,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:11:59,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:11:59,498 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:11:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:12:00,479 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-07 20:12:00,480 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:12:00,480 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:12:00,480 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 297 with the following transitions: [2018-11-07 20:12:00,481 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [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], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [629], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-07 20:12:00,487 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:12:00,488 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:12:00,631 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:12:01,273 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 20:12:01,274 INFO L272 AbstractInterpreter]: Visited 136 different actions 402 times. Merged at 7 different actions 18 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-07 20:12:01,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:12:01,298 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 20:12:01,298 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:12:01,299 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 20:12:01,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:12:01,314 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 20:12:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:12:01,439 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 20:12:06,303 WARN L179 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 478 DAG size of output: 22 [2018-11-07 20:12:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-07 20:12:06,466 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 20:12:06,945 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-07 20:12:06,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-07 20:12:06,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 6] total 9 [2018-11-07 20:12:06,968 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:12:06,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 20:12:06,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 20:12:06,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=46, Unknown=1, NotChecked=0, Total=72 [2018-11-07 20:12:06,969 INFO L87 Difference]: Start difference. First operand 6761 states and 9968 transitions. Second operand 3 states. [2018-11-07 20:12:08,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:12:08,887 INFO L93 Difference]: Finished difference Result 15273 states and 24555 transitions. [2018-11-07 20:12:08,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 20:12:08,890 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 296 [2018-11-07 20:12:08,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:12:08,955 INFO L225 Difference]: With dead ends: 15273 [2018-11-07 20:12:08,959 INFO L226 Difference]: Without dead ends: 8708 [2018-11-07 20:12:09,027 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 591 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=25, Invalid=46, Unknown=1, NotChecked=0, Total=72 [2018-11-07 20:12:09,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8708 states. [2018-11-07 20:12:09,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8708 to 8698. [2018-11-07 20:12:09,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8698 states. [2018-11-07 20:12:09,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8698 states to 8698 states and 12673 transitions. [2018-11-07 20:12:09,294 INFO L78 Accepts]: Start accepts. Automaton has 8698 states and 12673 transitions. Word has length 296 [2018-11-07 20:12:09,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:12:09,295 INFO L480 AbstractCegarLoop]: Abstraction has 8698 states and 12673 transitions. [2018-11-07 20:12:09,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 20:12:09,295 INFO L276 IsEmpty]: Start isEmpty. Operand 8698 states and 12673 transitions. [2018-11-07 20:12:09,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-11-07 20:12:09,349 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:12:09,349 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, 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, 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] [2018-11-07 20:12:09,349 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:12:09,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:12:09,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1528647053, now seen corresponding path program 1 times [2018-11-07 20:12:09,350 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:12:09,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:12:09,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:12:09,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:12:09,351 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:12:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:12:10,059 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 363 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-07 20:12:10,059 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:12:10,059 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:12:10,059 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 367 with the following transitions: [2018-11-07 20:12:10,060 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [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], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-07 20:12:10,070 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:12:10,071 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:12:10,224 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:12:10,631 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:12:10,632 INFO L272 AbstractInterpreter]: Visited 126 different actions 246 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-07 20:12:10,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:12:10,672 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:12:11,284 INFO L227 lantSequenceWeakener]: Weakened 363 states. On average, predicates are now at 73.57% of their original sizes. [2018-11-07 20:12:11,285 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:12:12,237 INFO L415 sIntCurrentIteration]: We unified 365 AI predicates to 365 [2018-11-07 20:12:12,237 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:12:12,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:12:12,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-07 20:12:12,238 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:12:12,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 20:12:12,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 20:12:12,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 20:12:12,239 INFO L87 Difference]: Start difference. First operand 8698 states and 12673 transitions. Second operand 11 states. [2018-11-07 20:12:27,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:12:27,470 INFO L93 Difference]: Finished difference Result 17395 states and 25390 transitions. [2018-11-07 20:12:27,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-07 20:12:27,470 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 366 [2018-11-07 20:12:27,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:12:27,522 INFO L225 Difference]: With dead ends: 17395 [2018-11-07 20:12:27,523 INFO L226 Difference]: Without dead ends: 8893 [2018-11-07 20:12:27,560 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 374 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2018-11-07 20:12:27,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8893 states. [2018-11-07 20:12:27,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8893 to 8889. [2018-11-07 20:12:27,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8889 states. [2018-11-07 20:12:27,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8889 states to 8889 states and 12883 transitions. [2018-11-07 20:12:27,814 INFO L78 Accepts]: Start accepts. Automaton has 8889 states and 12883 transitions. Word has length 366 [2018-11-07 20:12:27,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:12:27,815 INFO L480 AbstractCegarLoop]: Abstraction has 8889 states and 12883 transitions. [2018-11-07 20:12:27,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 20:12:27,815 INFO L276 IsEmpty]: Start isEmpty. Operand 8889 states and 12883 transitions. [2018-11-07 20:12:27,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-11-07 20:12:27,872 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:12:27,872 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:12:27,873 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:12:27,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:12:27,873 INFO L82 PathProgramCache]: Analyzing trace with hash -2093707993, now seen corresponding path program 1 times [2018-11-07 20:12:27,873 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:12:27,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:12:27,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:12:27,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:12:27,874 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:12:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:12:28,542 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 363 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-07 20:12:28,543 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:12:28,543 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:12:28,543 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 377 with the following transitions: [2018-11-07 20:12:28,544 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [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], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-07 20:12:28,554 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:12:28,554 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:12:28,670 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:12:29,004 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:12:29,008 INFO L272 AbstractInterpreter]: Visited 136 different actions 395 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-07 20:12:29,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:12:29,039 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:12:29,555 INFO L227 lantSequenceWeakener]: Weakened 373 states. On average, predicates are now at 73.56% of their original sizes. [2018-11-07 20:12:29,556 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:12:29,830 INFO L415 sIntCurrentIteration]: We unified 375 AI predicates to 375 [2018-11-07 20:12:29,830 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:12:29,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:12:29,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-07 20:12:29,830 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:12:29,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 20:12:29,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 20:12:29,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 20:12:29,831 INFO L87 Difference]: Start difference. First operand 8889 states and 12883 transitions. Second operand 11 states. [2018-11-07 20:12:44,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:12:44,184 INFO L93 Difference]: Finished difference Result 17973 states and 26129 transitions. [2018-11-07 20:12:44,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 20:12:44,185 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 376 [2018-11-07 20:12:44,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:12:44,230 INFO L225 Difference]: With dead ends: 17973 [2018-11-07 20:12:44,230 INFO L226 Difference]: Without dead ends: 9471 [2018-11-07 20:12:44,265 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 385 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2018-11-07 20:12:44,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9471 states. [2018-11-07 20:12:44,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9471 to 9465. [2018-11-07 20:12:44,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9465 states. [2018-11-07 20:12:44,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9465 states to 9465 states and 13564 transitions. [2018-11-07 20:12:44,491 INFO L78 Accepts]: Start accepts. Automaton has 9465 states and 13564 transitions. Word has length 376 [2018-11-07 20:12:44,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:12:44,492 INFO L480 AbstractCegarLoop]: Abstraction has 9465 states and 13564 transitions. [2018-11-07 20:12:44,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 20:12:44,492 INFO L276 IsEmpty]: Start isEmpty. Operand 9465 states and 13564 transitions. [2018-11-07 20:12:44,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-11-07 20:12:44,531 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:12:44,532 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, 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, 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] [2018-11-07 20:12:44,532 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:12:44,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:12:44,533 INFO L82 PathProgramCache]: Analyzing trace with hash -208905870, now seen corresponding path program 1 times [2018-11-07 20:12:44,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:12:44,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:12:44,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:12:44,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:12:44,535 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:12:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:12:45,264 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 369 proven. 82 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-07 20:12:45,265 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:12:45,265 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:12:45,265 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 378 with the following transitions: [2018-11-07 20:12:45,265 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-07 20:12:45,268 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:12:45,268 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:12:45,406 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:12:45,792 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:12:45,792 INFO L272 AbstractInterpreter]: Visited 126 different actions 497 times. Merged at 7 different actions 26 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-07 20:12:45,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:12:45,797 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:12:47,126 INFO L227 lantSequenceWeakener]: Weakened 374 states. On average, predicates are now at 75.5% of their original sizes. [2018-11-07 20:12:47,126 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:12:47,385 INFO L415 sIntCurrentIteration]: We unified 376 AI predicates to 376 [2018-11-07 20:12:47,385 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:12:47,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:12:47,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 20:12:47,386 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:12:47,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 20:12:47,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 20:12:47,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 20:12:47,387 INFO L87 Difference]: Start difference. First operand 9465 states and 13564 transitions. Second operand 10 states. [2018-11-07 20:12:55,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:12:55,268 INFO L93 Difference]: Finished difference Result 20688 states and 30211 transitions. [2018-11-07 20:12:55,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-07 20:12:55,268 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 377 [2018-11-07 20:12:55,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:12:55,323 INFO L225 Difference]: With dead ends: 20688 [2018-11-07 20:12:55,324 INFO L226 Difference]: Without dead ends: 12186 [2018-11-07 20:12:55,364 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 383 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-07 20:12:55,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12186 states. [2018-11-07 20:12:55,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12186 to 12167. [2018-11-07 20:12:55,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12167 states. [2018-11-07 20:12:55,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12167 states to 12167 states and 17073 transitions. [2018-11-07 20:12:55,678 INFO L78 Accepts]: Start accepts. Automaton has 12167 states and 17073 transitions. Word has length 377 [2018-11-07 20:12:55,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:12:55,678 INFO L480 AbstractCegarLoop]: Abstraction has 12167 states and 17073 transitions. [2018-11-07 20:12:55,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 20:12:55,679 INFO L276 IsEmpty]: Start isEmpty. Operand 12167 states and 17073 transitions. [2018-11-07 20:12:55,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-11-07 20:12:55,711 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:12:55,712 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:12:55,712 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:12:55,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:12:55,712 INFO L82 PathProgramCache]: Analyzing trace with hash 2003581087, now seen corresponding path program 1 times [2018-11-07 20:12:55,712 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:12:55,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:12:55,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:12:55,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:12:55,714 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:12:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:12:56,362 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 363 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-07 20:12:56,363 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:12:56,363 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:12:56,363 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 382 with the following transitions: [2018-11-07 20:12:56,363 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [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], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-07 20:12:56,366 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:12:56,366 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:12:56,482 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:12:56,916 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:12:56,916 INFO L272 AbstractInterpreter]: Visited 141 different actions 410 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-07 20:12:56,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:12:56,923 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:12:57,502 INFO L227 lantSequenceWeakener]: Weakened 378 states. On average, predicates are now at 73.58% of their original sizes. [2018-11-07 20:12:57,502 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:12:57,711 INFO L415 sIntCurrentIteration]: We unified 380 AI predicates to 380 [2018-11-07 20:12:57,711 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:12:57,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:12:57,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-11-07 20:12:57,712 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:12:57,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-07 20:12:57,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-07 20:12:57,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-11-07 20:12:57,713 INFO L87 Difference]: Start difference. First operand 12167 states and 17073 transitions. Second operand 13 states. [2018-11-07 20:13:14,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:13:14,479 INFO L93 Difference]: Finished difference Result 21254 states and 30378 transitions. [2018-11-07 20:13:14,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 20:13:14,480 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 381 [2018-11-07 20:13:14,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:13:14,533 INFO L225 Difference]: With dead ends: 21254 [2018-11-07 20:13:14,533 INFO L226 Difference]: Without dead ends: 12752 [2018-11-07 20:13:14,572 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 390 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2018-11-07 20:13:14,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12752 states. [2018-11-07 20:13:14,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12752 to 12746. [2018-11-07 20:13:14,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12746 states. [2018-11-07 20:13:14,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12746 states to 12746 states and 17695 transitions. [2018-11-07 20:13:14,837 INFO L78 Accepts]: Start accepts. Automaton has 12746 states and 17695 transitions. Word has length 381 [2018-11-07 20:13:14,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:13:14,838 INFO L480 AbstractCegarLoop]: Abstraction has 12746 states and 17695 transitions. [2018-11-07 20:13:14,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-07 20:13:14,838 INFO L276 IsEmpty]: Start isEmpty. Operand 12746 states and 17695 transitions. [2018-11-07 20:13:14,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-11-07 20:13:14,872 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:13:14,872 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:13:14,873 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:13:14,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:13:14,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1502430284, now seen corresponding path program 1 times [2018-11-07 20:13:14,873 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:13:14,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:13:14,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:13:14,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:13:14,874 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:13:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:13:15,263 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 363 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-07 20:13:15,263 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:13:15,264 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:13:15,264 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 398 with the following transitions: [2018-11-07 20:13:15,264 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [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], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [869], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-07 20:13:15,267 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:13:15,267 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:13:15,391 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:13:15,866 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:13:15,867 INFO L272 AbstractInterpreter]: Visited 157 different actions 458 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-07 20:13:15,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:13:15,876 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:13:17,215 INFO L227 lantSequenceWeakener]: Weakened 59 states. On average, predicates are now at 73.14% of their original sizes. [2018-11-07 20:13:17,216 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:13:17,490 INFO L415 sIntCurrentIteration]: We unified 396 AI predicates to 396 [2018-11-07 20:13:17,490 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:13:17,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:13:17,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-11-07 20:13:17,491 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:13:17,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 20:13:17,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 20:13:17,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2018-11-07 20:13:17,493 INFO L87 Difference]: Start difference. First operand 12746 states and 17695 transitions. Second operand 15 states. [2018-11-07 20:13:43,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:13:43,313 INFO L93 Difference]: Finished difference Result 25885 states and 36083 transitions. [2018-11-07 20:13:43,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 20:13:43,314 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 397 [2018-11-07 20:13:43,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:13:43,356 INFO L225 Difference]: With dead ends: 25885 [2018-11-07 20:13:43,357 INFO L226 Difference]: Without dead ends: 14104 [2018-11-07 20:13:43,391 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 406 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=135, Invalid=465, Unknown=0, NotChecked=0, Total=600 [2018-11-07 20:13:43,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14104 states. [2018-11-07 20:13:43,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14104 to 13708. [2018-11-07 20:13:43,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13708 states. [2018-11-07 20:13:43,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13708 states to 13708 states and 18796 transitions. [2018-11-07 20:13:43,657 INFO L78 Accepts]: Start accepts. Automaton has 13708 states and 18796 transitions. Word has length 397 [2018-11-07 20:13:43,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:13:43,658 INFO L480 AbstractCegarLoop]: Abstraction has 13708 states and 18796 transitions. [2018-11-07 20:13:43,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 20:13:43,658 INFO L276 IsEmpty]: Start isEmpty. Operand 13708 states and 18796 transitions. [2018-11-07 20:13:43,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-11-07 20:13:43,682 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:13:43,682 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, 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, 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] [2018-11-07 20:13:43,682 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:13:43,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:13:43,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1664584669, now seen corresponding path program 1 times [2018-11-07 20:13:43,683 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:13:43,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:13:43,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:13:43,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:13:43,684 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:13:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:13:44,309 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 381 proven. 2 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-07 20:13:44,310 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:13:44,310 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:13:44,310 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 400 with the following transitions: [2018-11-07 20:13:44,310 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [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], [567], [571], [575], [579], [582], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-07 20:13:44,313 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:13:44,313 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:13:44,392 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:13:45,434 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 20:13:45,434 INFO L272 AbstractInterpreter]: Visited 142 different actions 839 times. Merged at 8 different actions 47 times. Widened at 1 different actions 1 times. Found 10 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-07 20:13:45,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:13:45,444 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 20:13:45,444 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:13:45,444 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 20:13:45,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:13:45,454 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 20:13:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:13:50,635 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 20:13:50,883 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 381 proven. 2 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-07 20:13:50,884 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 20:13:51,159 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 381 proven. 2 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-07 20:13:51,179 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 20:13:51,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-07 20:13:51,180 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 20:13:51,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 20:13:51,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 20:13:51,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-11-07 20:13:51,181 INFO L87 Difference]: Start difference. First operand 13708 states and 18796 transitions. Second operand 7 states. [2018-11-07 20:13:53,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:13:53,151 INFO L93 Difference]: Finished difference Result 23143 states and 34387 transitions. [2018-11-07 20:13:53,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 20:13:53,156 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 399 [2018-11-07 20:13:53,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:13:53,229 INFO L225 Difference]: With dead ends: 23143 [2018-11-07 20:13:53,230 INFO L226 Difference]: Without dead ends: 14641 [2018-11-07 20:13:53,272 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 807 GetRequests, 798 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-07 20:13:53,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14641 states. [2018-11-07 20:13:53,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14641 to 13905. [2018-11-07 20:13:53,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13905 states. [2018-11-07 20:13:53,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13905 states to 13905 states and 18483 transitions. [2018-11-07 20:13:53,599 INFO L78 Accepts]: Start accepts. Automaton has 13905 states and 18483 transitions. Word has length 399 [2018-11-07 20:13:53,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:13:53,600 INFO L480 AbstractCegarLoop]: Abstraction has 13905 states and 18483 transitions. [2018-11-07 20:13:53,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 20:13:53,600 INFO L276 IsEmpty]: Start isEmpty. Operand 13905 states and 18483 transitions. [2018-11-07 20:13:53,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2018-11-07 20:13:53,639 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:13:53,640 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, 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, 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] [2018-11-07 20:13:53,640 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:13:53,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:13:53,641 INFO L82 PathProgramCache]: Analyzing trace with hash -957049664, now seen corresponding path program 1 times [2018-11-07 20:13:53,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:13:53,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:13:53,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:13:53,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:13:53,642 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:13:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:13:54,122 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 336 proven. 58 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-07 20:13:54,122 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:13:54,122 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:13:54,122 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 447 with the following transitions: [2018-11-07 20:13:54,123 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], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [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], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [819], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-07 20:13:54,126 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:13:54,127 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:13:54,236 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:13:55,532 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 20:13:55,532 INFO L272 AbstractInterpreter]: Visited 151 different actions 1038 times. Merged at 8 different actions 51 times. Widened at 1 different actions 2 times. Found 11 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-07 20:13:55,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:13:55,541 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 20:13:55,541 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:13:55,541 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 20:13:55,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:13:55,554 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 20:13:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:13:55,676 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 20:13:55,825 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 292 proven. 116 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-07 20:13:55,826 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 20:13:56,097 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 404 proven. 4 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-07 20:13:56,117 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 20:13:56,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2018-11-07 20:13:56,118 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 20:13:56,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 20:13:56,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 20:13:56,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-07 20:13:56,119 INFO L87 Difference]: Start difference. First operand 13905 states and 18483 transitions. Second operand 6 states. [2018-11-07 20:13:57,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:13:57,688 INFO L93 Difference]: Finished difference Result 21962 states and 30884 transitions. [2018-11-07 20:13:57,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 20:13:57,689 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 446 [2018-11-07 20:13:57,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:13:57,690 INFO L225 Difference]: With dead ends: 21962 [2018-11-07 20:13:57,690 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 20:13:57,763 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 901 GetRequests, 890 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-11-07 20:13:57,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 20:13:57,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 20:13:57,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 20:13:57,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 20:13:57,764 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 446 [2018-11-07 20:13:57,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:13:57,765 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 20:13:57,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 20:13:57,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 20:13:57,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 20:13:57,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 20:13:58,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,363 WARN L179 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 19 [2018-11-07 20:13:58,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:13:58,675 WARN L179 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 19 [2018-11-07 20:13:59,402 WARN L179 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2018-11-07 20:14:00,193 WARN L179 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 56 [2018-11-07 20:14:07,392 WARN L179 SmtUtils]: Spent 7.18 s on a formula simplification. DAG size of input: 374 DAG size of output: 145 [2018-11-07 20:14:07,510 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 64 [2018-11-07 20:14:07,625 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 64 [2018-11-07 20:14:07,629 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 20:14:07,629 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a4~0 |old(~a4~0)|)) [2018-11-07 20:14:07,629 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 20:14:07,629 INFO L425 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-11-07 20:14:07,629 INFO L425 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-11-07 20:14:07,629 INFO L425 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-11-07 20:14:07,629 INFO L425 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,630 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,630 INFO L425 ceAbstractionStarter]: For program point L170(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,630 INFO L425 ceAbstractionStarter]: For program point L104(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,630 INFO L425 ceAbstractionStarter]: For program point L38(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,630 INFO L425 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,630 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,630 INFO L425 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-07 20:14:07,630 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-07 20:14:07,630 INFO L425 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-11-07 20:14:07,631 INFO L425 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,631 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,631 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,631 INFO L425 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,631 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,631 INFO L425 ceAbstractionStarter]: For program point L173(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,631 INFO L425 ceAbstractionStarter]: For program point L107(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,631 INFO L425 ceAbstractionStarter]: For program point L41(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,632 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,632 INFO L425 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-07 20:14:07,632 INFO L425 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-11-07 20:14:07,632 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-11-07 20:14:07,632 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,632 INFO L425 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,632 INFO L425 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,632 INFO L425 ceAbstractionStarter]: For program point L176(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,632 INFO L425 ceAbstractionStarter]: For program point L110(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,633 INFO L425 ceAbstractionStarter]: For program point L44(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,633 INFO L425 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,633 INFO L425 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,633 INFO L425 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,633 INFO L425 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-11-07 20:14:07,633 INFO L425 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-11-07 20:14:07,633 INFO L425 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-11-07 20:14:07,633 INFO L425 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-11-07 20:14:07,633 INFO L425 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-11-07 20:14:07,634 INFO L425 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-11-07 20:14:07,634 INFO L425 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-11-07 20:14:07,634 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,634 INFO L425 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,634 INFO L425 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,634 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,634 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,634 INFO L425 ceAbstractionStarter]: For program point L179(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,634 INFO L425 ceAbstractionStarter]: For program point L113(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,635 INFO L425 ceAbstractionStarter]: For program point L47(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,635 INFO L425 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,635 INFO L425 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,635 INFO L425 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-11-07 20:14:07,635 INFO L425 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-11-07 20:14:07,635 INFO L425 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-11-07 20:14:07,635 INFO L425 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,635 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,636 INFO L425 ceAbstractionStarter]: For program point L182(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,636 INFO L425 ceAbstractionStarter]: For program point L116(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,636 INFO L425 ceAbstractionStarter]: For program point L50(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,636 INFO L425 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-07 20:14:07,636 INFO L425 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-11-07 20:14:07,636 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-07 20:14:07,636 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,636 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,636 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,637 INFO L425 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,637 INFO L425 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,637 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-11-07 20:14:07,637 INFO L425 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-11-07 20:14:07,637 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,637 INFO L425 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,637 INFO L425 ceAbstractionStarter]: For program point L119(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,637 INFO L425 ceAbstractionStarter]: For program point L53(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,637 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,638 INFO L425 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,638 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-11-07 20:14:07,638 INFO L425 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-11-07 20:14:07,638 INFO L425 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,638 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,638 INFO L425 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-11-07 20:14:07,638 INFO L425 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-11-07 20:14:07,638 INFO L425 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-11-07 20:14:07,638 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,639 INFO L425 ceAbstractionStarter]: For program point L188(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,639 INFO L425 ceAbstractionStarter]: For program point L122(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,639 INFO L425 ceAbstractionStarter]: For program point L56(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,639 INFO L425 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,639 INFO L425 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,639 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,639 INFO L425 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-11-07 20:14:07,639 INFO L425 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-11-07 20:14:07,639 INFO L425 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-07 20:14:07,639 INFO L425 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-11-07 20:14:07,639 INFO L425 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-11-07 20:14:07,639 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-11-07 20:14:07,639 INFO L425 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-11-07 20:14:07,639 INFO L425 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,639 INFO L425 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,640 INFO L425 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-11-07 20:14:07,640 INFO L425 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-11-07 20:14:07,640 INFO L425 ceAbstractionStarter]: For program point L191(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,640 INFO L425 ceAbstractionStarter]: For program point L125(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,640 INFO L425 ceAbstractionStarter]: For program point L59(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,640 INFO L425 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,640 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse17 (= ~a29~0 |old(~a29~0)|)) (.cse18 (= ~a23~0 |old(~a23~0)|)) (.cse19 (= ~a4~0 |old(~a4~0)|))) (let ((.cse8 (= ~a25~0 12)) (.cse9 (not (= 12 |old(~a25~0)|))) (.cse15 (= 13 |old(~a25~0)|)) (.cse14 (not (= ~a25~0 13))) (.cse7 (< 6 |calculate_output_#in~input|)) (.cse12 (< |old(~a25~0)| 10)) (.cse2 (< |old(~a29~0)| 130)) (.cse0 (not (= 15 ~a8~0))) (.cse1 (not (= 1 ~a3~0))) (.cse3 (not (= 312 |old(~a23~0)|))) (.cse4 (not (= 1 |old(~a4~0)|))) (.cse10 (< 275 |old(~a29~0)|)) (.cse13 (< 12 |old(~a25~0)|)) (.cse11 (< |calculate_output_#in~input| 1)) (.cse6 (and .cse17 .cse18 .cse19)) (.cse16 (< 0 |old(~a4~0)|))) (and (or (or (and (<= 9 ~a25~0) (<= 141 ~a29~0) (<= ~a25~0 10)) (= ~a25~0 10)) (let ((.cse5 (< 369435 |old(~a29~0)|))) (and (or (not (= 10 |old(~a25~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (< |old(~a25~0)| 9) (< |old(~a29~0)| 141) .cse0 .cse1 .cse3 .cse4 .cse5 (< 10 |old(~a25~0)|))))) (or (< 245 |old(~a29~0)|) .cse4 .cse6) (or .cse7 .cse8 (or (< |old(~a29~0)| 261) .cse9) .cse0 .cse1 .cse3 .cse4 .cse10 .cse11) (or .cse7 .cse2 (or (= ~a29~0 130) .cse8) (or .cse0 .cse1 .cse3 .cse4 (< 220 |old(~a29~0)|) .cse9) .cse11) (or .cse7 .cse12 (< (+ |old(~a23~0)| 4) 0) (< 312 |old(~a23~0)|) .cse0 .cse1 .cse4 (not (= 0 (mod |old(~a23~0)| 2))) (and (<= 10 ~a25~0) (<= ~a25~0 12)) .cse13 .cse11) (or .cse14 .cse15 .cse16) (or (< 0 (+ |old(~a23~0)| 599772)) .cse8 (not (= (mod |old(~a29~0)| 5) 0)) (< |old(~a29~0)| 260) (not (= 0 (mod |old(~a23~0)| 12))) .cse11 .cse7 (< 274 |old(~a29~0)|) .cse9 .cse0 .cse1 (< (+ |old(~a23~0)| 599777) 0) (not (= 0 |old(~a4~0)|))) (or .cse4 .cse15 (and .cse17 .cse18 .cse14 .cse19)) (or (<= |old(~a23~0)| 138) .cse4 .cse6) (or .cse7 .cse12 .cse2 .cse0 .cse1 .cse3 .cse4 (= (mod ~a25~0 2) 0) .cse10 (not (= 0 (mod |old(~a25~0)| 2))) .cse13 .cse11) (or .cse6 .cse16)))) [2018-11-07 20:14:07,640 INFO L425 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,640 INFO L425 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-11-07 20:14:07,640 INFO L425 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-11-07 20:14:07,640 INFO L425 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-11-07 20:14:07,641 INFO L425 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,641 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,641 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,641 INFO L425 ceAbstractionStarter]: For program point L194(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,641 INFO L425 ceAbstractionStarter]: For program point L128(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,641 INFO L425 ceAbstractionStarter]: For program point L62(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,641 INFO L425 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-11-07 20:14:07,641 INFO L425 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-11-07 20:14:07,641 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-07 20:14:07,641 INFO L425 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,642 INFO L425 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,642 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,642 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 186) no Hoare annotation was computed. [2018-11-07 20:14:07,642 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,642 INFO L425 ceAbstractionStarter]: For program point L197(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,642 INFO L425 ceAbstractionStarter]: For program point L131(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,642 INFO L425 ceAbstractionStarter]: For program point L65(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,642 INFO L425 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,642 INFO L425 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-11-07 20:14:07,643 INFO L425 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-11-07 20:14:07,643 INFO L425 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-11-07 20:14:07,643 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,643 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,643 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,643 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,643 INFO L425 ceAbstractionStarter]: For program point L200(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,643 INFO L425 ceAbstractionStarter]: For program point L134(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,643 INFO L425 ceAbstractionStarter]: For program point L68(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,643 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,643 INFO L425 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,644 INFO L425 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,644 INFO L425 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,644 INFO L425 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-11-07 20:14:07,644 INFO L425 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-11-07 20:14:07,644 INFO L425 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-11-07 20:14:07,644 INFO L425 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-11-07 20:14:07,644 INFO L425 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-11-07 20:14:07,644 INFO L425 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,644 INFO L425 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,644 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,644 INFO L425 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,645 INFO L425 ceAbstractionStarter]: For program point L203(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,645 INFO L425 ceAbstractionStarter]: For program point L137(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,645 INFO L425 ceAbstractionStarter]: For program point L71(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,645 INFO L425 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-11-07 20:14:07,645 INFO L425 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-11-07 20:14:07,645 INFO L425 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-11-07 20:14:07,645 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,645 INFO L425 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,645 INFO L425 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,645 INFO L425 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-11-07 20:14:07,645 INFO L425 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-11-07 20:14:07,646 INFO L425 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,646 INFO L425 ceAbstractionStarter]: For program point L140(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,646 INFO L425 ceAbstractionStarter]: For program point L74(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,646 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,646 INFO L425 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,646 INFO L425 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-11-07 20:14:07,646 INFO L425 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-11-07 20:14:07,646 INFO L425 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,646 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,646 INFO L425 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-11-07 20:14:07,646 INFO L425 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-11-07 20:14:07,647 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,647 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,647 INFO L425 ceAbstractionStarter]: For program point L143(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,647 INFO L425 ceAbstractionStarter]: For program point L77(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,647 INFO L425 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,647 INFO L425 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,647 INFO L425 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-11-07 20:14:07,647 INFO L425 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-11-07 20:14:07,647 INFO L425 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-11-07 20:14:07,648 INFO L425 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-11-07 20:14:07,648 INFO L425 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,648 INFO L425 ceAbstractionStarter]: For program point L146(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,648 INFO L425 ceAbstractionStarter]: For program point L80(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,648 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,648 INFO L425 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,648 INFO L425 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,648 INFO L425 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,648 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,649 INFO L425 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-11-07 20:14:07,649 INFO L425 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-11-07 20:14:07,649 INFO L425 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-11-07 20:14:07,649 INFO L425 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-11-07 20:14:07,649 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-11-07 20:14:07,649 INFO L425 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-11-07 20:14:07,649 INFO L425 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,649 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,649 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,649 INFO L425 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,650 INFO L425 ceAbstractionStarter]: For program point L149(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,650 INFO L425 ceAbstractionStarter]: For program point L83(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,650 INFO L425 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,650 INFO L425 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-11-07 20:14:07,650 INFO L425 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-11-07 20:14:07,650 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,650 INFO L425 ceAbstractionStarter]: For program point L152(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,650 INFO L425 ceAbstractionStarter]: For program point L86(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,650 INFO L425 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,650 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,650 INFO L425 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,651 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,651 INFO L425 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-11-07 20:14:07,651 INFO L425 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-11-07 20:14:07,651 INFO L425 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,651 INFO L425 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,651 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,651 INFO L425 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,651 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,651 INFO L425 ceAbstractionStarter]: For program point L155(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,652 INFO L425 ceAbstractionStarter]: For program point L89(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,652 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-11-07 20:14:07,652 INFO L425 ceAbstractionStarter]: For program point L23-1(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,652 INFO L425 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,652 INFO L425 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,652 INFO L425 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-11-07 20:14:07,652 INFO L425 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-11-07 20:14:07,652 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-07 20:14:07,652 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,653 INFO L425 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-11-07 20:14:07,653 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,653 INFO L425 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-11-07 20:14:07,653 INFO L425 ceAbstractionStarter]: For program point L158(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,653 INFO L425 ceAbstractionStarter]: For program point L92(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,653 INFO L425 ceAbstractionStarter]: For program point L26(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,653 INFO L425 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,653 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,653 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,653 INFO L425 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-11-07 20:14:07,653 INFO L425 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-11-07 20:14:07,653 INFO L425 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-07 20:14:07,654 INFO L425 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,654 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,654 INFO L425 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,654 INFO L425 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,654 INFO L425 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,654 INFO L425 ceAbstractionStarter]: For program point L161(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,654 INFO L425 ceAbstractionStarter]: For program point L95(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,654 INFO L425 ceAbstractionStarter]: For program point L29(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,654 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,654 INFO L425 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,654 INFO L425 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-11-07 20:14:07,655 INFO L425 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-11-07 20:14:07,655 INFO L425 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-07 20:14:07,655 INFO L425 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,655 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-11-07 20:14:07,655 INFO L425 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-11-07 20:14:07,655 INFO L425 ceAbstractionStarter]: For program point L164(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,655 INFO L425 ceAbstractionStarter]: For program point L98(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,655 INFO L425 ceAbstractionStarter]: For program point L32(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,655 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,655 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,656 INFO L425 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,656 INFO L425 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-11-07 20:14:07,656 INFO L425 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-11-07 20:14:07,656 INFO L425 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-07 20:14:07,656 INFO L425 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,656 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,656 INFO L425 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,656 INFO L425 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,656 INFO L425 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-11-07 20:14:07,657 INFO L425 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-11-07 20:14:07,657 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,657 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,657 INFO L425 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-11-07 20:14:07,657 INFO L425 ceAbstractionStarter]: For program point L167(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,657 INFO L425 ceAbstractionStarter]: For program point L101(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,657 INFO L425 ceAbstractionStarter]: For program point L35(lines 22 1026) no Hoare annotation was computed. [2018-11-07 20:14:07,657 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 20:14:07,657 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~inputF~0 6) (= ~a23~0 312) (= ~inputA~0 1) (= ~inputC~0 3) (= ~a8~0 15) (= ~a29~0 130) (= ~inputB~0 2) (= ~inputE~0 5) (= ~inputD~0 4) (= 1 ~a4~0) (= ~a25~0 10) (= ~a3~0 1)) [2018-11-07 20:14:07,658 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 20:14:07,658 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 20:14:07,658 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (and (= ~a25~0 10) (= ~a29~0 130) (= ~a23~0 |old(~a23~0)|) (= 1 ~a4~0)) (not (= 130 |old(~a29~0)|)) (not (= 4 ~inputD~0)) (not (= ~inputE~0 5)) (not (= ~inputA~0 1)) (not (= 3 ~inputC~0)) (not (= |old(~a23~0)| 312)) (not (= 2 ~inputB~0)) (not (= |old(~a25~0)| 10)) (not (= ~a3~0 1)) (not (= 1 |old(~a4~0)|)) (not (= ~a8~0 15)) (not (= ~inputF~0 6))) [2018-11-07 20:14:07,658 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-11-07 20:14:07,658 INFO L421 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse0 (= 1 ~a4~0))) (or (not (= 130 |old(~a29~0)|)) (not (= 4 ~inputD~0)) (and (<= ~a29~0 245) .cse0) (<= ~a4~0 0) (not (= ~inputE~0 5)) (and (not (= ~a25~0 13)) .cse0) (not (= ~inputA~0 1)) (not (= 3 ~inputC~0)) (not (= |old(~a23~0)| 312)) (not (= 2 ~inputB~0)) (not (= |old(~a25~0)| 10)) (not (= ~a3~0 1)) (not (= 1 |old(~a4~0)|)) (not (= ~a8~0 15)) (not (= ~inputF~0 6)) (and .cse0 (< 138 ~a23~0)))) [2018-11-07 20:14:07,658 INFO L425 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-11-07 20:14:07,658 INFO L425 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-11-07 20:14:07,659 INFO L425 ceAbstractionStarter]: For program point L1034-1(lines 1034 1043) no Hoare annotation was computed. [2018-11-07 20:14:07,659 INFO L421 ceAbstractionStarter]: At program point L1034-3(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (= 1 ~a4~0))) (or (not (= 130 |old(~a29~0)|)) (not (= 4 ~inputD~0)) (and (<= ~a29~0 245) .cse0) (<= ~a4~0 0) (not (= ~inputE~0 5)) (and (not (= ~a25~0 13)) .cse0) (not (= ~inputA~0 1)) (not (= 3 ~inputC~0)) (not (= |old(~a23~0)| 312)) (not (= 2 ~inputB~0)) (not (= |old(~a25~0)| 10)) (not (= ~a3~0 1)) (not (= 1 |old(~a4~0)|)) (not (= ~a8~0 15)) (not (= ~inputF~0 6)) (and .cse0 (< 138 ~a23~0)))) [2018-11-07 20:14:07,659 INFO L425 ceAbstractionStarter]: For program point L1034-4(lines 1028 1044) no Hoare annotation was computed. [2018-11-07 20:14:07,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:14:07 BoogieIcfgContainer [2018-11-07 20:14:07,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 20:14:07,673 INFO L168 Benchmark]: Toolchain (without parser) took 171869.80 ms. Allocated memory was 1.5 GB in the beginning and 4.9 GB in the end (delta: 3.4 GB). Free memory was 1.4 GB in the beginning and 4.1 GB in the end (delta: -2.7 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-11-07 20:14:07,674 INFO L168 Benchmark]: CDTParser took 0.23 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 20:14:07,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1040.29 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-11-07 20:14:07,675 INFO L168 Benchmark]: Boogie Procedure Inliner took 195.20 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 740.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -846.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2018-11-07 20:14:07,676 INFO L168 Benchmark]: Boogie Preprocessor took 135.14 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 20:14:07,676 INFO L168 Benchmark]: RCFGBuilder took 4378.45 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 175.6 MB). Peak memory consumption was 175.6 MB. Max. memory is 7.1 GB. [2018-11-07 20:14:07,677 INFO L168 Benchmark]: TraceAbstraction took 166114.89 ms. Allocated memory was 2.3 GB in the beginning and 4.9 GB in the end (delta: 2.7 GB). Free memory was 2.0 GB in the beginning and 4.1 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-11-07 20:14:07,682 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 1040.29 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 195.20 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 740.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -846.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.14 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 4378.45 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 175.6 MB). Peak memory consumption was 175.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 166114.89 ms. Allocated memory was 2.3 GB in the beginning and 4.9 GB in the end (delta: 2.7 GB). Free memory was 2.0 GB in the beginning and 4.1 GB in the end (delta: -2.1 GB). 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: 186]: 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: 1034]: Loop Invariant Derived loop invariant: ((((((((((((((!(130 == \old(a29)) || !(4 == inputD)) || (a29 <= 245 && 1 == a4)) || a4 <= 0) || !(inputE == 5)) || (!(a25 == 13) && 1 == a4)) || !(inputA == 1)) || !(3 == inputC)) || !(\old(a23) == 312)) || !(2 == inputB)) || !(\old(a25) == 10)) || !(a3 == 1)) || !(1 == \old(a4))) || !(a8 == 15)) || !(inputF == 6)) || (1 == a4 && 138 < a23) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. SAFE Result, 166.0s OverallTime, 13 OverallIterations, 4 TraceHistogramMax, 119.5s AutomataDifference, 0.0s DeadEndRemovalTime, 9.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2830 SDtfs, 11621 SDslu, 3433 SDs, 0 SdLazy, 20999 SolverSat, 2576 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48.8s Time, PredicateUnifierStatistics: 12 DeclaredPredicates, 4489 GetRequests, 4338 SyntacticMatches, 11 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 10.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13905occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.7s AbstIntTime, 9 AbstIntIterations, 6 AbstIntStrong, 0.9977183477161787 AbsIntWeakeningRatio, 0.09462672372800761 AbsIntAvgWeakeningVarsNumRemoved, 22.668568711364717 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 1278 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 497 PreInvPairs, 695 NumberOfFragments, 674 HoareAnnotationTreeSize, 497 FomulaSimplifications, 26314 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5539 FormulaSimplificationTreeSizeReductionInter, 8.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 17.0s InterpolantComputationTime, 5009 NumberOfCodeBlocks, 5009 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 6131 ConstructedInterpolants, 2 QuantifiedInterpolants, 5900259 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1843 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 19 InterpolantComputations, 5 PerfectInterpolantSequences, 5852/6374 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...