java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label14_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 20:01:21,935 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 20:01:21,937 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 20:01:21,949 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 20:01:21,950 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 20:01:21,951 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 20:01:21,952 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 20:01:21,954 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 20:01:21,955 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 20:01:21,956 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 20:01:21,957 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 20:01:21,958 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 20:01:21,958 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 20:01:21,959 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 20:01:21,961 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 20:01:21,962 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 20:01:21,962 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 20:01:21,964 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 20:01:21,966 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 20:01:21,968 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 20:01:21,969 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 20:01:21,970 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 20:01:21,972 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 20:01:21,972 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 20:01:21,972 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 20:01:21,973 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 20:01:21,974 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 20:01:21,975 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 20:01:21,976 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 20:01:21,977 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 20:01:21,977 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 20:01:21,978 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-07 20:01:21,980 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 20:01:22,009 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 20:01:22,009 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 20:01:22,010 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 20:01:22,010 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 20:01:22,010 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 20:01:22,012 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 20:01:22,012 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 20:01:22,012 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 20:01:22,012 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 20:01:22,013 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 20:01:22,013 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 20:01:22,013 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 20:01:22,013 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 20:01:22,014 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 20:01:22,014 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 20:01:22,015 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 20:01:22,015 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 20:01:22,015 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 20:01:22,015 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 20:01:22,015 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 20:01:22,015 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 20:01:22,017 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 20:01:22,018 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 20:01:22,018 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 20:01:22,018 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 20:01:22,018 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 20:01:22,018 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 20:01:22,019 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 20:01:22,019 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 20:01:22,019 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 20:01:22,019 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 20:01:22,019 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 20:01:22,019 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 20:01:22,020 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 20:01:22,020 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 20:01:22,066 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 20:01:22,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 20:01:22,083 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 20:01:22,084 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 20:01:22,084 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 20:01:22,085 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label14_true-unreach-call.c [2018-11-07 20:01:22,137 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1080437d6/5dab85100fc84738bd71af9adfff8c52/FLAG1356ef4c2 [2018-11-07 20:01:22,664 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 20:01:22,665 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label14_true-unreach-call.c [2018-11-07 20:01:22,676 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1080437d6/5dab85100fc84738bd71af9adfff8c52/FLAG1356ef4c2 [2018-11-07 20:01:22,691 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1080437d6/5dab85100fc84738bd71af9adfff8c52 [2018-11-07 20:01:22,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 20:01:22,707 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 20:01:22,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 20:01:22,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 20:01:22,712 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 20:01:22,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:01:22" (1/1) ... [2018-11-07 20:01:22,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c1454e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:22, skipping insertion in model container [2018-11-07 20:01:22,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:01:22" (1/1) ... [2018-11-07 20:01:22,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 20:01:22,779 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 20:01:23,225 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:01:23,228 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 20:01:23,375 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:01:23,393 INFO L193 MainTranslator]: Completed translation [2018-11-07 20:01:23,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:23 WrapperNode [2018-11-07 20:01:23,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 20:01:23,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 20:01:23,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 20:01:23,395 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 20:01:23,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:23" (1/1) ... [2018-11-07 20:01:23,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:23" (1/1) ... [2018-11-07 20:01:23,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 20:01:23,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 20:01:23,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 20:01:23,520 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 20:01:23,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:23" (1/1) ... [2018-11-07 20:01:23,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:23" (1/1) ... [2018-11-07 20:01:23,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:23" (1/1) ... [2018-11-07 20:01:23,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:23" (1/1) ... [2018-11-07 20:01:23,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:23" (1/1) ... [2018-11-07 20:01:23,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:23" (1/1) ... [2018-11-07 20:01:23,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:23" (1/1) ... [2018-11-07 20:01:23,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 20:01:23,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 20:01:23,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 20:01:23,639 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 20:01:23,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:23" (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 20:01:23,702 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 20:01:23,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 20:01:23,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 20:01:23,703 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 20:01:23,703 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 20:01:23,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 20:01:23,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 20:01:23,704 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 20:01:23,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 20:01:26,804 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 20:01:26,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:01:26 BoogieIcfgContainer [2018-11-07 20:01:26,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 20:01:26,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 20:01:26,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 20:01:26,809 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 20:01:26,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:01:22" (1/3) ... [2018-11-07 20:01:26,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2092ac15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:01:26, skipping insertion in model container [2018-11-07 20:01:26,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:23" (2/3) ... [2018-11-07 20:01:26,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2092ac15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:01:26, skipping insertion in model container [2018-11-07 20:01:26,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:01:26" (3/3) ... [2018-11-07 20:01:26,813 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label14_true-unreach-call.c [2018-11-07 20:01:26,823 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 20:01:26,831 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 20:01:26,848 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 20:01:26,885 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 20:01:26,885 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 20:01:26,886 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 20:01:26,886 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 20:01:26,886 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 20:01:26,886 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 20:01:26,886 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 20:01:26,887 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 20:01:26,912 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-07 20:01:26,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-07 20:01:26,920 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:01:26,921 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] [2018-11-07 20:01:26,924 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:01:26,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:26,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1440498332, now seen corresponding path program 1 times [2018-11-07 20:01:26,933 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:01:26,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:26,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:01:26,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:26,981 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:01:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:01:27,354 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 20:01:27,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:01:27,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 20:01:27,357 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:01:27,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 20:01:27,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 20:01:27,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:01:27,382 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-07 20:01:29,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:01:29,356 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-07 20:01:29,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 20:01:29,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-11-07 20:01:29,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:01:29,379 INFO L225 Difference]: With dead ends: 574 [2018-11-07 20:01:29,380 INFO L226 Difference]: Without dead ends: 356 [2018-11-07 20:01:29,386 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:01:29,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-07 20:01:29,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-07 20:01:29,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-07 20:01:29,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-07 20:01:29,462 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 38 [2018-11-07 20:01:29,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:01:29,463 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-07 20:01:29,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 20:01:29,463 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-07 20:01:29,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-07 20:01:29,472 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:01:29,473 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:01:29,474 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:01:29,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:29,474 INFO L82 PathProgramCache]: Analyzing trace with hash 247043784, now seen corresponding path program 1 times [2018-11-07 20:01:29,474 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:01:29,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:29,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:01:29,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:29,476 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:01:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:01:30,048 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:01:30,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:01:30,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 20:01:30,049 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:01:30,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 20:01:30,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 20:01:30,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 20:01:30,052 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 5 states. [2018-11-07 20:01:32,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:01:32,808 INFO L93 Difference]: Finished difference Result 1140 states and 2022 transitions. [2018-11-07 20:01:32,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 20:01:32,812 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2018-11-07 20:01:32,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:01:32,820 INFO L225 Difference]: With dead ends: 1140 [2018-11-07 20:01:32,820 INFO L226 Difference]: Without dead ends: 790 [2018-11-07 20:01:32,823 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-07 20:01:32,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-11-07 20:01:32,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 784. [2018-11-07 20:01:32,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2018-11-07 20:01:32,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1300 transitions. [2018-11-07 20:01:32,883 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1300 transitions. Word has length 158 [2018-11-07 20:01:32,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:01:32,884 INFO L480 AbstractCegarLoop]: Abstraction has 784 states and 1300 transitions. [2018-11-07 20:01:32,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 20:01:32,884 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1300 transitions. [2018-11-07 20:01:32,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-07 20:01:32,890 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:01:32,890 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:01:32,891 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:01:32,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:32,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1650350691, now seen corresponding path program 1 times [2018-11-07 20:01:32,892 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:01:32,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:32,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:01:32,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:32,893 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:01:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:01:33,214 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:01:33,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:01:33,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 20:01:33,215 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:01:33,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 20:01:33,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 20:01:33,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 20:01:33,217 INFO L87 Difference]: Start difference. First operand 784 states and 1300 transitions. Second operand 6 states. [2018-11-07 20:01:37,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:01:37,673 INFO L93 Difference]: Finished difference Result 1975 states and 3367 transitions. [2018-11-07 20:01:37,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 20:01:37,674 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2018-11-07 20:01:37,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:01:37,687 INFO L225 Difference]: With dead ends: 1975 [2018-11-07 20:01:37,690 INFO L226 Difference]: Without dead ends: 1197 [2018-11-07 20:01:37,695 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 20:01:37,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2018-11-07 20:01:37,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1177. [2018-11-07 20:01:37,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1177 states. [2018-11-07 20:01:37,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1754 transitions. [2018-11-07 20:01:37,752 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1754 transitions. Word has length 165 [2018-11-07 20:01:37,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:01:37,753 INFO L480 AbstractCegarLoop]: Abstraction has 1177 states and 1754 transitions. [2018-11-07 20:01:37,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 20:01:37,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1754 transitions. [2018-11-07 20:01:37,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-07 20:01:37,760 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:01:37,762 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:01:37,762 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:01:37,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:37,764 INFO L82 PathProgramCache]: Analyzing trace with hash -837763145, now seen corresponding path program 1 times [2018-11-07 20:01:37,764 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:01:37,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:37,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:01:37,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:37,766 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:01:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:01:38,303 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 20:01:38,508 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 20:01:38,873 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 20:01:39,212 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-07 20:01:39,607 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:01:39,607 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:01:39,608 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:01:39,609 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 230 with the following transitions: [2018-11-07 20:01:39,611 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], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:01:39,658 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:01:39,659 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:01:40,037 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:01:40,785 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:01:40,787 INFO L272 AbstractInterpreter]: Visited 128 different actions 371 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 20:01:40,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:40,820 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:01:41,748 INFO L227 lantSequenceWeakener]: Weakened 61 states. On average, predicates are now at 74.85% of their original sizes. [2018-11-07 20:01:41,748 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:01:43,310 INFO L415 sIntCurrentIteration]: We unified 228 AI predicates to 228 [2018-11-07 20:01:43,311 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:01:43,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:01:43,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [13] total 32 [2018-11-07 20:01:43,312 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:01:43,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-07 20:01:43,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-07 20:01:43,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2018-11-07 20:01:43,314 INFO L87 Difference]: Start difference. First operand 1177 states and 1754 transitions. Second operand 21 states. [2018-11-07 20:02:14,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:14,007 INFO L93 Difference]: Finished difference Result 2877 states and 4372 transitions. [2018-11-07 20:02:14,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-07 20:02:14,007 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 229 [2018-11-07 20:02:14,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:14,017 INFO L225 Difference]: With dead ends: 2877 [2018-11-07 20:02:14,017 INFO L226 Difference]: Without dead ends: 1706 [2018-11-07 20:02:14,023 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 249 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=320, Invalid=1402, Unknown=0, NotChecked=0, Total=1722 [2018-11-07 20:02:14,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2018-11-07 20:02:14,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1693. [2018-11-07 20:02:14,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1693 states. [2018-11-07 20:02:14,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 2299 transitions. [2018-11-07 20:02:14,074 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 2299 transitions. Word has length 229 [2018-11-07 20:02:14,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:14,075 INFO L480 AbstractCegarLoop]: Abstraction has 1693 states and 2299 transitions. [2018-11-07 20:02:14,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-07 20:02:14,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2299 transitions. [2018-11-07 20:02:14,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-07 20:02:14,081 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:14,081 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:02:14,082 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:14,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:14,082 INFO L82 PathProgramCache]: Analyzing trace with hash 910411004, now seen corresponding path program 1 times [2018-11-07 20:02:14,082 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:14,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:14,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:14,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:14,084 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:14,379 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:02:15,077 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-07 20:02:15,077 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:02:15,078 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:02:15,078 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 239 with the following transitions: [2018-11-07 20:02:15,078 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], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:02:15,084 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:02:15,084 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:02:15,176 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:02:15,954 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:02:15,954 INFO L272 AbstractInterpreter]: Visited 128 different actions 738 times. Merged at 5 different actions 25 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 20:02:15,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:15,993 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:02:16,414 INFO L227 lantSequenceWeakener]: Weakened 235 states. On average, predicates are now at 73.05% of their original sizes. [2018-11-07 20:02:16,415 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:02:17,255 INFO L415 sIntCurrentIteration]: We unified 237 AI predicates to 237 [2018-11-07 20:02:17,255 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:02:17,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:02:17,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-11-07 20:02:17,256 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:17,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 20:02:17,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 20:02:17,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 20:02:17,257 INFO L87 Difference]: Start difference. First operand 1693 states and 2299 transitions. Second operand 10 states. [2018-11-07 20:02:25,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:25,175 INFO L93 Difference]: Finished difference Result 4042 states and 5755 transitions. [2018-11-07 20:02:25,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 20:02:25,176 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 238 [2018-11-07 20:02:25,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:25,190 INFO L225 Difference]: With dead ends: 4042 [2018-11-07 20:02:25,190 INFO L226 Difference]: Without dead ends: 2651 [2018-11-07 20:02:25,197 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 245 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-11-07 20:02:25,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2651 states. [2018-11-07 20:02:25,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2651 to 2549. [2018-11-07 20:02:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2549 states. [2018-11-07 20:02:25,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 2549 states and 3363 transitions. [2018-11-07 20:02:25,268 INFO L78 Accepts]: Start accepts. Automaton has 2549 states and 3363 transitions. Word has length 238 [2018-11-07 20:02:25,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:25,269 INFO L480 AbstractCegarLoop]: Abstraction has 2549 states and 3363 transitions. [2018-11-07 20:02:25,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 20:02:25,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2549 states and 3363 transitions. [2018-11-07 20:02:25,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-07 20:02:25,279 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:25,280 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:02:25,280 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:25,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:25,281 INFO L82 PathProgramCache]: Analyzing trace with hash 546975604, now seen corresponding path program 1 times [2018-11-07 20:02:25,281 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:25,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:25,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:25,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:25,282 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:26,312 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-07 20:02:26,497 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 20:02:26,986 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-11-07 20:02:27,296 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 176 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:02:27,296 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:02:27,296 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:02:27,296 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 275 with the following transitions: [2018-11-07 20:02:27,297 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], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:02:27,301 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:02:27,301 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:02:27,403 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:02:27,531 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:02:27,531 INFO L272 AbstractInterpreter]: Visited 128 different actions 252 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 20:02:27,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:27,552 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:02:27,924 INFO L227 lantSequenceWeakener]: Weakened 86 states. On average, predicates are now at 75.84% of their original sizes. [2018-11-07 20:02:27,925 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:02:28,831 INFO L415 sIntCurrentIteration]: We unified 273 AI predicates to 273 [2018-11-07 20:02:28,832 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:02:28,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:02:28,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [15] total 38 [2018-11-07 20:02:28,833 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:28,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-07 20:02:28,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-07 20:02:28,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2018-11-07 20:02:28,834 INFO L87 Difference]: Start difference. First operand 2549 states and 3363 transitions. Second operand 25 states. [2018-11-07 20:02:47,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:47,603 INFO L93 Difference]: Finished difference Result 6130 states and 8489 transitions. [2018-11-07 20:02:47,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-07 20:02:47,603 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 274 [2018-11-07 20:02:47,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:47,622 INFO L225 Difference]: With dead ends: 6130 [2018-11-07 20:02:47,622 INFO L226 Difference]: Without dead ends: 3883 [2018-11-07 20:02:47,634 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 298 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 629 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=446, Invalid=2004, Unknown=0, NotChecked=0, Total=2450 [2018-11-07 20:02:47,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3883 states. [2018-11-07 20:02:47,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3883 to 3832. [2018-11-07 20:02:47,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3832 states. [2018-11-07 20:02:47,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 3832 states and 4851 transitions. [2018-11-07 20:02:47,734 INFO L78 Accepts]: Start accepts. Automaton has 3832 states and 4851 transitions. Word has length 274 [2018-11-07 20:02:47,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:47,734 INFO L480 AbstractCegarLoop]: Abstraction has 3832 states and 4851 transitions. [2018-11-07 20:02:47,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-07 20:02:47,735 INFO L276 IsEmpty]: Start isEmpty. Operand 3832 states and 4851 transitions. [2018-11-07 20:02:47,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-11-07 20:02:47,747 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:47,748 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:47,748 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:47,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:47,749 INFO L82 PathProgramCache]: Analyzing trace with hash 679158451, now seen corresponding path program 1 times [2018-11-07 20:02:47,749 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:47,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:47,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:47,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:47,750 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:48,199 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 20:02:49,237 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 231 proven. 72 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-07 20:02:49,238 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:02:49,238 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:02:49,238 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 306 with the following transitions: [2018-11-07 20:02:49,238 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], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [518], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:02:49,241 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:02:49,242 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:02:49,289 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:02:49,674 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:02:49,674 INFO L272 AbstractInterpreter]: Visited 129 different actions 503 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 20:02:49,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:49,683 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:02:50,134 INFO L227 lantSequenceWeakener]: Weakened 55 states. On average, predicates are now at 74.85% of their original sizes. [2018-11-07 20:02:50,134 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:02:50,416 INFO L415 sIntCurrentIteration]: We unified 304 AI predicates to 304 [2018-11-07 20:02:50,417 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:02:50,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:02:50,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [13] total 28 [2018-11-07 20:02:50,417 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:50,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-07 20:02:50,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-07 20:02:50,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-07 20:02:50,418 INFO L87 Difference]: Start difference. First operand 3832 states and 4851 transitions. Second operand 17 states. [2018-11-07 20:03:02,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:03:02,929 INFO L93 Difference]: Finished difference Result 8138 states and 10435 transitions. [2018-11-07 20:03:02,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-07 20:03:02,929 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 305 [2018-11-07 20:03:02,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:03:02,951 INFO L225 Difference]: With dead ends: 8138 [2018-11-07 20:03:02,951 INFO L226 Difference]: Without dead ends: 4906 [2018-11-07 20:03:02,960 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 314 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=540, Unknown=0, NotChecked=0, Total=702 [2018-11-07 20:03:02,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4906 states. [2018-11-07 20:03:03,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4906 to 4859. [2018-11-07 20:03:03,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4859 states. [2018-11-07 20:03:03,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4859 states to 4859 states and 5994 transitions. [2018-11-07 20:03:03,094 INFO L78 Accepts]: Start accepts. Automaton has 4859 states and 5994 transitions. Word has length 305 [2018-11-07 20:03:03,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:03:03,095 INFO L480 AbstractCegarLoop]: Abstraction has 4859 states and 5994 transitions. [2018-11-07 20:03:03,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-07 20:03:03,095 INFO L276 IsEmpty]: Start isEmpty. Operand 4859 states and 5994 transitions. [2018-11-07 20:03:03,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-07 20:03:03,110 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:03:03,111 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:03:03,111 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:03:03,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:03,112 INFO L82 PathProgramCache]: Analyzing trace with hash 40944671, now seen corresponding path program 1 times [2018-11-07 20:03:03,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:03:03,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:03,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:03,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:03,113 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:03:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:03,545 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 20:03:03,760 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 20:03:04,186 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-07 20:03:04,428 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 169 proven. 72 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-07 20:03:04,429 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:04,429 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:03:04,429 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 312 with the following transitions: [2018-11-07 20:03:04,429 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], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:03:04,432 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:03:04,432 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:03:04,508 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:03:04,955 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:03:04,955 INFO L272 AbstractInterpreter]: Visited 129 different actions 635 times. Merged at 7 different actions 34 times. Widened at 1 different actions 1 times. Found 5 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-07 20:03:04,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:04,964 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:03:05,220 INFO L227 lantSequenceWeakener]: Weakened 308 states. On average, predicates are now at 73% of their original sizes. [2018-11-07 20:03:05,221 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:03:05,300 INFO L415 sIntCurrentIteration]: We unified 310 AI predicates to 310 [2018-11-07 20:03:05,300 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:03:05,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:03:05,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2018-11-07 20:03:05,301 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:03:05,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 20:03:05,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 20:03:05,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 20:03:05,302 INFO L87 Difference]: Start difference. First operand 4859 states and 5994 transitions. Second operand 10 states. [2018-11-07 20:03:10,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:03:10,671 INFO L93 Difference]: Finished difference Result 10821 states and 13791 transitions. [2018-11-07 20:03:10,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 20:03:10,672 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 311 [2018-11-07 20:03:10,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:03:10,699 INFO L225 Difference]: With dead ends: 10821 [2018-11-07 20:03:10,699 INFO L226 Difference]: Without dead ends: 7166 [2018-11-07 20:03:10,711 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 318 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-11-07 20:03:10,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7166 states. [2018-11-07 20:03:10,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7166 to 7097. [2018-11-07 20:03:10,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7097 states. [2018-11-07 20:03:10,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7097 states to 7097 states and 8648 transitions. [2018-11-07 20:03:10,869 INFO L78 Accepts]: Start accepts. Automaton has 7097 states and 8648 transitions. Word has length 311 [2018-11-07 20:03:10,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:03:10,870 INFO L480 AbstractCegarLoop]: Abstraction has 7097 states and 8648 transitions. [2018-11-07 20:03:10,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 20:03:10,870 INFO L276 IsEmpty]: Start isEmpty. Operand 7097 states and 8648 transitions. [2018-11-07 20:03:10,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-07 20:03:10,887 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:03:10,888 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:03:10,888 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:03:10,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:10,889 INFO L82 PathProgramCache]: Analyzing trace with hash 134207956, now seen corresponding path program 1 times [2018-11-07 20:03:10,889 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:03:10,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:10,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:10,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:10,890 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:03:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:11,232 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:03:11,909 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 99 proven. 154 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-07 20:03:11,909 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:11,909 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:03:11,909 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 317 with the following transitions: [2018-11-07 20:03:11,910 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], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:03:11,912 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:03:11,912 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:03:11,963 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:03:12,300 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 20:03:12,301 INFO L272 AbstractInterpreter]: Visited 130 different actions 514 times. Merged at 8 different actions 30 times. Never widened. Found 6 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-07 20:03:12,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:12,311 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 20:03:12,311 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:12,311 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 20:03:12,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:12,321 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 20:03:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:12,435 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 20:03:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 295 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-07 20:03:12,782 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 20:03:13,657 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 174 proven. 77 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-07 20:03:13,678 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 20:03:13,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-07 20:03:13,679 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 20:03:13,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 20:03:13,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 20:03:13,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-07 20:03:13,680 INFO L87 Difference]: Start difference. First operand 7097 states and 8648 transitions. Second operand 11 states. [2018-11-07 20:03:19,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:03:19,474 INFO L93 Difference]: Finished difference Result 14011 states and 17865 transitions. [2018-11-07 20:03:19,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 20:03:19,475 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 316 [2018-11-07 20:03:19,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:03:19,495 INFO L225 Difference]: With dead ends: 14011 [2018-11-07 20:03:19,495 INFO L226 Difference]: Without dead ends: 5213 [2018-11-07 20:03:19,545 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 666 GetRequests, 639 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2018-11-07 20:03:19,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5213 states. [2018-11-07 20:03:19,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5213 to 4402. [2018-11-07 20:03:19,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4402 states. [2018-11-07 20:03:19,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4402 states to 4402 states and 4928 transitions. [2018-11-07 20:03:19,685 INFO L78 Accepts]: Start accepts. Automaton has 4402 states and 4928 transitions. Word has length 316 [2018-11-07 20:03:19,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:03:19,685 INFO L480 AbstractCegarLoop]: Abstraction has 4402 states and 4928 transitions. [2018-11-07 20:03:19,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 20:03:19,685 INFO L276 IsEmpty]: Start isEmpty. Operand 4402 states and 4928 transitions. [2018-11-07 20:03:19,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2018-11-07 20:03:19,699 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:03:19,699 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:03:19,700 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:03:19,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:19,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1129393588, now seen corresponding path program 1 times [2018-11-07 20:03:19,700 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:03:19,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:19,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:19,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:19,701 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:03:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:20,814 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 20:03:21,048 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-11-07 20:03:21,742 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 285 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:03:21,743 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:21,743 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:03:21,743 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 353 with the following transitions: [2018-11-07 20:03:21,743 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], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:03:21,747 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:03:21,747 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:03:21,815 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:03:22,446 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 20:03:22,447 INFO L272 AbstractInterpreter]: Visited 130 different actions 514 times. Merged at 8 different actions 30 times. Never widened. Found 6 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-07 20:03:22,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:22,484 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 20:03:22,484 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:22,484 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 20:03:22,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:22,498 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 20:03:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:22,617 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 20:03:31,543 WARN L179 SmtUtils]: Spent 8.11 s on a formula simplification. DAG size of input: 179 DAG size of output: 47 [2018-11-07 20:03:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 331 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-07 20:03:32,499 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 20:03:33,028 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-07 20:03:33,141 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-07 20:03:33,775 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:34,013 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 118 [2018-11-07 20:03:35,174 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2018-11-07 20:03:35,177 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,225 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,271 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,322 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,368 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,558 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,641 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,689 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,798 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,851 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,904 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:35,956 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,051 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,099 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,151 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,203 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,294 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,364 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,410 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,460 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,873 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:36,998 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,050 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,144 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,265 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,317 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,369 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,498 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,551 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,604 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,664 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,717 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,767 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,829 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,881 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,933 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:37,988 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:38,045 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:38,132 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:38,183 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:38,249 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:38,306 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:38,359 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:38,468 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:38,518 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:38,569 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:38,620 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:38,673 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:38,728 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:38,780 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:38,871 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:38,921 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:38,969 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:39,414 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:39,566 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:39,621 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:39,696 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:39,751 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:39,803 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:39,856 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:40,288 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:40,389 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:40,440 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:40,492 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:40,557 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:40,608 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:40,689 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:40,850 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:40,900 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:40,973 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:41,055 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:41,105 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:41,156 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:41,209 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:41,262 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:41,312 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:41,381 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:41,430 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:41,481 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:41,532 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:41,646 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:41,693 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:41,749 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:41,794 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:41,846 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:41,898 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:42,235 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:42,283 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:42,331 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:42,379 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:42,426 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:42,475 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:42,522 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:42,593 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:42,641 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:42,689 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:42,739 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:42,793 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:43,138 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:43,187 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:43,237 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:43,284 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:43,332 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:43,382 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:43,451 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:43,500 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:43,548 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:43,597 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 20:03:44,270 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 99 proven. 261 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 20:03:44,291 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 20:03:44,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 28 [2018-11-07 20:03:44,291 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 20:03:44,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-07 20:03:44,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-07 20:03:44,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2018-11-07 20:03:44,293 INFO L87 Difference]: Start difference. First operand 4402 states and 4928 transitions. Second operand 23 states. [2018-11-07 20:03:45,675 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 43 [2018-11-07 20:03:57,702 WARN L179 SmtUtils]: Spent 10.42 s on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2018-11-07 20:04:00,718 WARN L179 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2018-11-07 20:04:03,669 WARN L179 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 70 DAG size of output: 41 [2018-11-07 20:04:04,676 WARN L179 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2018-11-07 20:04:05,047 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2018-11-07 20:04:07,118 WARN L179 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2018-11-07 20:04:07,466 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 45 [2018-11-07 20:04:07,760 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2018-11-07 20:04:08,428 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2018-11-07 20:04:10,172 WARN L179 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2018-11-07 20:04:10,365 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 28 [2018-11-07 20:04:20,295 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 41 [2018-11-07 20:04:20,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:04:20,659 INFO L93 Difference]: Finished difference Result 11922 states and 14577 transitions. [2018-11-07 20:04:20,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2018-11-07 20:04:20,661 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 352 [2018-11-07 20:04:20,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:04:20,661 INFO L225 Difference]: With dead ends: 11922 [2018-11-07 20:04:20,661 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 20:04:20,685 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 859 GetRequests, 605 SyntacticMatches, 113 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9573 ImplicationChecksByTransitivity, 40.2s TimeCoverageRelationStatistics Valid=2977, Invalid=17329, Unknown=0, NotChecked=0, Total=20306 [2018-11-07 20:04:20,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 20:04:20,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 20:04:20,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 20:04:20,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 20:04:20,686 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 352 [2018-11-07 20:04:20,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:04:20,686 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 20:04:20,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-07 20:04:20,686 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 20:04:20,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 20:04:20,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 20:04:21,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:21,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,097 WARN L179 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 262 [2018-11-07 20:04:22,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:04:22,787 WARN L179 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 234 [2018-11-07 20:04:23,422 WARN L179 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2018-11-07 20:04:24,970 WARN L179 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 95 DAG size of output: 47 [2018-11-07 20:04:29,535 WARN L179 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 405 DAG size of output: 67 [2018-11-07 20:04:30,808 WARN L179 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 277 DAG size of output: 62 [2018-11-07 20:04:32,037 WARN L179 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 256 DAG size of output: 70 [2018-11-07 20:04:32,040 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 20:04:32,040 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-07 20:04:32,040 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 20:04:32,040 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-07 20:04:32,040 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,041 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,041 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,041 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,041 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,041 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,041 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-07 20:04:32,041 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-07 20:04:32,041 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-07 20:04:32,041 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-07 20:04:32,041 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-07 20:04:32,041 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-07 20:04:32,041 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-07 20:04:32,041 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-07 20:04:32,042 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-07 20:04:32,042 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-07 20:04:32,042 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-07 20:04:32,042 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,042 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,042 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,042 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,042 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,042 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-07 20:04:32,042 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-07 20:04:32,042 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-07 20:04:32,043 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-07 20:04:32,043 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-07 20:04:32,043 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-07 20:04:32,043 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-07 20:04:32,043 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-07 20:04:32,043 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-07 20:04:32,043 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-07 20:04:32,043 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-07 20:04:32,043 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-07 20:04:32,044 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-07 20:04:32,044 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-07 20:04:32,044 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,044 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,044 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,044 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,044 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,044 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-07 20:04:32,044 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-07 20:04:32,044 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-07 20:04:32,045 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-07 20:04:32,045 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-07 20:04:32,045 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-07 20:04:32,045 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-07 20:04:32,045 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-07 20:04:32,045 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-07 20:04:32,045 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-07 20:04:32,045 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,045 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,045 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,046 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,046 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,046 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-07 20:04:32,046 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-07 20:04:32,046 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-07 20:04:32,046 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-07 20:04:32,046 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-07 20:04:32,046 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-07 20:04:32,047 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-07 20:04:32,047 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-07 20:04:32,047 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-07 20:04:32,047 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-07 20:04:32,047 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-07 20:04:32,047 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-07 20:04:32,047 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-07 20:04:32,047 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,047 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,048 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,048 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,048 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,048 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-07 20:04:32,048 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-07 20:04:32,048 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-07 20:04:32,048 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-07 20:04:32,048 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-07 20:04:32,048 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-07 20:04:32,049 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-07 20:04:32,049 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-07 20:04:32,049 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2018-11-07 20:04:32,049 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-07 20:04:32,049 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,049 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,049 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,049 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,049 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,050 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,050 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,050 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-07 20:04:32,050 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-07 20:04:32,050 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-07 20:04:32,050 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-07 20:04:32,050 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-07 20:04:32,050 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-07 20:04:32,050 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-07 20:04:32,051 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-07 20:04:32,051 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-07 20:04:32,051 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-07 20:04:32,051 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-07 20:04:32,051 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-07 20:04:32,051 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-07 20:04:32,051 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,051 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,051 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,051 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,051 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,051 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-07 20:04:32,052 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,052 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-07 20:04:32,052 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-07 20:04:32,052 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-07 20:04:32,052 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-07 20:04:32,052 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-07 20:04:32,052 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-07 20:04:32,052 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-07 20:04:32,052 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-07 20:04:32,052 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-07 20:04:32,052 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-07 20:04:32,053 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-07 20:04:32,053 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-07 20:04:32,053 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-07 20:04:32,053 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,053 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,053 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,053 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,053 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,053 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,053 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-07 20:04:32,053 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-07 20:04:32,053 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-07 20:04:32,053 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-07 20:04:32,053 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-07 20:04:32,054 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-07 20:04:32,054 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-07 20:04:32,054 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-07 20:04:32,054 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-07 20:04:32,054 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-07 20:04:32,054 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-07 20:04:32,054 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse11 (= |old(~a19~0)| ~a19~0)) (.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse6 (= |old(~a10~0)| ~a10~0)) (.cse4 (= ~a1~0 |old(~a1~0)|))) (let ((.cse9 (< 6 |calculate_output_#in~input|)) (.cse10 (< |calculate_output_#in~input| 2)) (.cse3 (= 1 |old(~a10~0)|)) (.cse7 (not (= 14 ~a4~0))) (.cse13 (and .cse5 .cse6 .cse4)) (.cse8 (not (= 0 ~a12~0))) (.cse12 (= 9 |old(~a19~0)|)) (.cse2 (and .cse11 .cse6 .cse4)) (.cse0 (< 8 |old(~a19~0)|)) (.cse1 (= 6 |old(~a19~0)|)) (.cse14 (= 8 |old(~a19~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) .cse7 .cse8 .cse3 (< |old(~a19~0)| 9)) (or .cse9 (< |old(~a1~0)| 23) .cse10 .cse7 (and .cse4 .cse11 .cse6) (< 2147483647 |old(~a1~0)|) .cse8 (< |old(~a19~0)| 8)) (or (or .cse9 .cse10 (or (not .cse3) .cse7 .cse8 (not .cse12))) (and (and (= ~a10~0 1) .cse4) (= 9 ~a19~0))) (or .cse13 .cse7 .cse8 (< 33 |old(~a1~0)|) .cse3) (or .cse7 .cse13 .cse8 .cse12 .cse1 .cse14) (or .cse2 .cse0 .cse1 .cse14)))) [2018-11-07 20:04:32,054 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-07 20:04:32,054 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-07 20:04:32,054 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-07 20:04:32,054 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,055 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,055 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,055 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,055 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,055 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,055 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-07 20:04:32,055 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-07 20:04:32,055 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-07 20:04:32,055 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-07 20:04:32,055 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-07 20:04:32,055 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-07 20:04:32,055 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-07 20:04:32,055 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-07 20:04:32,055 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-07 20:04:32,055 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-07 20:04:32,056 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-07 20:04:32,056 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-07 20:04:32,056 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-07 20:04:32,056 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,056 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,056 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,056 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,056 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,056 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,056 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-07 20:04:32,056 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-07 20:04:32,056 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-07 20:04:32,056 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-07 20:04:32,056 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-07 20:04:32,056 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-07 20:04:32,056 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-07 20:04:32,057 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-07 20:04:32,057 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-07 20:04:32,057 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-07 20:04:32,057 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-07 20:04:32,057 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-07 20:04:32,057 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,057 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,057 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,057 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,057 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,057 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:04:32,057 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-07 20:04:32,057 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-07 20:04:32,057 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-07 20:04:32,057 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-07 20:04:32,057 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-07 20:04:32,058 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-07 20:04:32,058 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-07 20:04:32,058 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-07 20:04:32,058 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-07 20:04:32,058 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-07 20:04:32,058 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-07 20:04:32,058 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-07 20:04:32,058 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 20:04:32,058 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~inputF~0 6) (= ~inputC~0 3) (= ~a10~0 0) (= ~a12~0 0) (= ~inputB~0 2) (= ~a1~0 23) (= ~inputE~0 5) (= ~a4~0 14) (= ~inputD~0 4) (= 9 ~a19~0)) [2018-11-07 20:04:32,059 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 20:04:32,059 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 20:04:32,059 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a10~0 |old(~a10~0)|) (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|)) (not (= |old(~a1~0)| 23)) (not (= 0 ~a12~0)) (not (= 4 ~inputD~0)) (not (= ~inputE~0 5)) (not (= 3 ~inputC~0)) (not (= ~a4~0 14)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (not (= ~inputF~0 6)) (not (= |old(~a10~0)| 0))) [2018-11-07 20:04:32,059 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-07 20:04:32,059 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 6))) (.cse2 (<= main_~input~0 6)) (.cse3 (<= 2 main_~input~0)) (.cse1 (not (= ~a10~0 1)))) (or (and .cse0 (not (= ~a19~0 8)) (not (= ~a19~0 9))) (not (= |old(~a1~0)| 23)) (not (= ~inputF~0 6)) (not (= |old(~a10~0)| 0)) (and .cse0 .cse1) (not (= ~a12~0 0)) (and (<= 23 ~a1~0) .cse2 (<= ~a1~0 2147483647) (<= 7 ~a19~0) .cse3) (not (= 4 ~inputD~0)) (not (= ~inputE~0 5)) (not (= 14 ~a4~0)) (not (= 3 ~inputC~0)) (and (and .cse2 .cse3) (= 9 ~a19~0)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (and (<= ~a1~0 33) .cse1))) [2018-11-07 20:04:32,059 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-07 20:04:32,059 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-07 20:04:32,059 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-07 20:04:32,060 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 6))) (.cse1 (not (= ~a10~0 1)))) (or (and (<= 23 ~a1~0) (<= ~a1~0 2147483647) (<= 7 ~a19~0)) (and .cse0 (not (= ~a19~0 8))) (not (= |old(~a1~0)| 23)) (not (= ~inputF~0 6)) (not (= |old(~a10~0)| 0)) (and .cse0 .cse1) (not (= ~a12~0 0)) (not (= 4 ~inputD~0)) (not (= ~inputE~0 5)) (not (= 14 ~a4~0)) (not (= 3 ~inputC~0)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (and (<= ~a1~0 33) .cse1))) [2018-11-07 20:04:32,060 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-07 20:04:32,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:04:32 BoogieIcfgContainer [2018-11-07 20:04:32,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 20:04:32,074 INFO L168 Benchmark]: Toolchain (without parser) took 189368.05 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2018-11-07 20:04:32,075 INFO L168 Benchmark]: CDTParser took 0.21 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 20:04:32,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.56 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 20:04:32,076 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -836.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2018-11-07 20:04:32,077 INFO L168 Benchmark]: Boogie Preprocessor took 118.80 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2018-11-07 20:04:32,078 INFO L168 Benchmark]: RCFGBuilder took 3166.65 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 7.1 GB. [2018-11-07 20:04:32,079 INFO L168 Benchmark]: TraceAbstraction took 185267.01 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -632.5 MB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2018-11-07 20:04:32,084 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 686.56 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 124.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -836.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.80 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3166.65 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 185267.01 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -632.5 MB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((((((((((23 <= a1 && a1 <= 2147483647) && 7 <= a19) || (!(a19 == 6) && !(a19 == 8))) || !(\old(a1) == 23)) || !(inputF == 6)) || !(\old(a10) == 0)) || (!(a19 == 6) && !(a10 == 1))) || !(a12 == 0)) || !(4 == inputD)) || !(inputE == 5)) || !(14 == a4)) || !(3 == inputC)) || !(2 == inputB)) || !(\old(a19) == 9)) || (a1 <= 33 && !(a10 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 185.1s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 126.9s AutomataDifference, 0.0s DeadEndRemovalTime, 11.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1375 SDtfs, 23203 SDslu, 2845 SDs, 0 SdLazy, 25924 SolverSat, 5433 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48.4s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 2973 GetRequests, 2530 SyntacticMatches, 121 SemanticMatches, 322 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10922 ImplicationChecksByTransitivity, 47.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7097occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.5s AbstIntTime, 7 AbstIntIterations, 5 AbstIntStrong, 0.9968486857711915 AbsIntWeakeningRatio, 0.10502958579881656 AbsIntAvgWeakeningVarsNumRemoved, 14.956360946745562 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 1119 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 203 PreInvPairs, 419 NumberOfFragments, 468 HoareAnnotationTreeSize, 203 FomulaSimplifications, 27130 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 33045 FormulaSimplificationTreeSizeReductionInter, 9.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 32.5s InterpolantComputationTime, 3054 NumberOfCodeBlocks, 3054 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3708 ConstructedInterpolants, 126 QuantifiedInterpolants, 10848502 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1086 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 2497/3227 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...