java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 17:10:54,975 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 17:10:54,977 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 17:10:54,989 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 17:10:54,990 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 17:10:54,993 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 17:10:54,995 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 17:10:54,998 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 17:10:55,000 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 17:10:55,002 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 17:10:55,003 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 17:10:55,004 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 17:10:55,005 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 17:10:55,006 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 17:10:55,007 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 17:10:55,008 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 17:10:55,009 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 17:10:55,011 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 17:10:55,013 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 17:10:55,014 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 17:10:55,015 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 17:10:55,016 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 17:10:55,019 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 17:10:55,019 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 17:10:55,019 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 17:10:55,020 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 17:10:55,021 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 17:10:55,022 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 17:10:55,023 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 17:10:55,024 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 17:10:55,024 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 17:10:55,025 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 17:10:55,025 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 17:10:55,025 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 17:10:55,026 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 17:10:55,027 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 17:10:55,028 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 [2018-11-12 17:10:55,043 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 17:10:55,044 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 17:10:55,045 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 17:10:55,045 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 17:10:55,045 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 17:10:55,045 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 17:10:55,045 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 17:10:55,046 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 17:10:55,046 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 17:10:55,046 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 17:10:55,046 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 17:10:55,046 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 17:10:55,046 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 17:10:55,047 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 17:10:55,047 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 17:10:55,047 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 17:10:55,048 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 17:10:55,048 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 17:10:55,048 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 17:10:55,048 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 17:10:55,048 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 17:10:55,049 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 17:10:55,049 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 17:10:55,049 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 17:10:55,049 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 17:10:55,049 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 17:10:55,050 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 17:10:55,050 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 17:10:55,050 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 17:10:55,050 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 17:10:55,050 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 17:10:55,051 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 17:10:55,051 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 17:10:55,051 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 17:10:55,051 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 17:10:55,098 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 17:10:55,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 17:10:55,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 17:10:55,120 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 17:10:55,120 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 17:10:55,121 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c [2018-11-12 17:10:55,203 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0af921c35/ec0ae4d0b7574eec99dcdd180d978f95/FLAG6e8a0b1c5 [2018-11-12 17:10:55,813 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 17:10:55,814 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c [2018-11-12 17:10:55,827 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0af921c35/ec0ae4d0b7574eec99dcdd180d978f95/FLAG6e8a0b1c5 [2018-11-12 17:10:55,852 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0af921c35/ec0ae4d0b7574eec99dcdd180d978f95 [2018-11-12 17:10:55,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 17:10:55,866 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 17:10:55,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 17:10:55,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 17:10:55,875 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 17:10:55,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:10:55" (1/1) ... [2018-11-12 17:10:55,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@102ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:55, skipping insertion in model container [2018-11-12 17:10:55,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:10:55" (1/1) ... [2018-11-12 17:10:55,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 17:10:55,950 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 17:10:56,427 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 17:10:56,432 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 17:10:56,537 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 17:10:56,555 INFO L193 MainTranslator]: Completed translation [2018-11-12 17:10:56,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:56 WrapperNode [2018-11-12 17:10:56,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 17:10:56,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 17:10:56,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 17:10:56,557 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 17:10:56,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:56" (1/1) ... [2018-11-12 17:10:56,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:56" (1/1) ... [2018-11-12 17:10:56,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 17:10:56,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 17:10:56,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 17:10:56,682 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 17:10:56,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:56" (1/1) ... [2018-11-12 17:10:56,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:56" (1/1) ... [2018-11-12 17:10:56,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:56" (1/1) ... [2018-11-12 17:10:56,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:56" (1/1) ... [2018-11-12 17:10:56,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:56" (1/1) ... [2018-11-12 17:10:56,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:56" (1/1) ... [2018-11-12 17:10:56,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:56" (1/1) ... [2018-11-12 17:10:56,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 17:10:56,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 17:10:56,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 17:10:56,789 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 17:10:56,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:56" (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 [2018-11-12 17:10:56,856 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 17:10:56,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 17:10:56,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 17:10:56,856 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 17:10:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 17:10:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 17:10:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 17:10:56,857 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 17:10:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 17:10:59,964 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 17:10:59,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:10:59 BoogieIcfgContainer [2018-11-12 17:10:59,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 17:10:59,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 17:10:59,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 17:10:59,971 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 17:10:59,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:10:55" (1/3) ... [2018-11-12 17:10:59,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24104e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:10:59, skipping insertion in model container [2018-11-12 17:10:59,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:10:56" (2/3) ... [2018-11-12 17:10:59,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24104e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:10:59, skipping insertion in model container [2018-11-12 17:10:59,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:10:59" (3/3) ... [2018-11-12 17:10:59,975 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label54_true-unreach-call_false-termination.c [2018-11-12 17:10:59,984 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 17:10:59,994 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 17:11:00,012 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 17:11:00,050 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 17:11:00,050 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 17:11:00,050 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 17:11:00,051 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 17:11:00,051 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 17:11:00,051 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 17:11:00,051 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 17:11:00,052 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 17:11:00,080 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-12 17:11:00,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-12 17:11:00,094 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:11:00,096 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:11:00,098 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:11:00,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:11:00,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1112346027, now seen corresponding path program 1 times [2018-11-12 17:11:00,106 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:11:00,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:11:00,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:11:00,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:11:00,160 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:11:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:11:00,788 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 17:11:00,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:11:00,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:11:00,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 17:11:00,944 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:11:00,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 17:11:00,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 17:11:00,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 17:11:00,969 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-12 17:11:02,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:11:02,373 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-12 17:11:02,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 17:11:02,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2018-11-12 17:11:02,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:11:02,397 INFO L225 Difference]: With dead ends: 550 [2018-11-12 17:11:02,397 INFO L226 Difference]: Without dead ends: 340 [2018-11-12 17:11:02,404 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 17:11:02,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-12 17:11:02,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-12 17:11:02,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-12 17:11:02,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 571 transitions. [2018-11-12 17:11:02,477 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 571 transitions. Word has length 129 [2018-11-12 17:11:02,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:11:02,478 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 571 transitions. [2018-11-12 17:11:02,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 17:11:02,478 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 571 transitions. [2018-11-12 17:11:02,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-12 17:11:02,485 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:11:02,485 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:11:02,486 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:11:02,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:11:02,487 INFO L82 PathProgramCache]: Analyzing trace with hash 167090318, now seen corresponding path program 1 times [2018-11-12 17:11:02,487 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:11:02,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:11:02,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:11:02,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:11:02,489 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:11:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:11:02,775 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:11:02,775 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:11:02,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 17:11:02,775 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:11:02,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 17:11:02,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 17:11:02,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 17:11:02,779 INFO L87 Difference]: Start difference. First operand 340 states and 571 transitions. Second operand 3 states. [2018-11-12 17:11:03,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:11:03,764 INFO L93 Difference]: Finished difference Result 946 states and 1655 transitions. [2018-11-12 17:11:03,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 17:11:03,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2018-11-12 17:11:03,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:11:03,772 INFO L225 Difference]: With dead ends: 946 [2018-11-12 17:11:03,772 INFO L226 Difference]: Without dead ends: 612 [2018-11-12 17:11:03,776 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 17:11:03,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2018-11-12 17:11:03,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2018-11-12 17:11:03,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2018-11-12 17:11:03,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 985 transitions. [2018-11-12 17:11:03,821 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 985 transitions. Word has length 147 [2018-11-12 17:11:03,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:11:03,822 INFO L480 AbstractCegarLoop]: Abstraction has 612 states and 985 transitions. [2018-11-12 17:11:03,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 17:11:03,822 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 985 transitions. [2018-11-12 17:11:03,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-12 17:11:03,829 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:11:03,829 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:11:03,830 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:11:03,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:11:03,830 INFO L82 PathProgramCache]: Analyzing trace with hash 792982298, now seen corresponding path program 1 times [2018-11-12 17:11:03,830 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:11:03,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:11:03,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:11:03,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:11:03,832 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:11:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:11:04,109 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 17:11:04,244 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:11:04,244 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:11:04,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 17:11:04,245 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:11:04,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 17:11:04,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 17:11:04,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 17:11:04,246 INFO L87 Difference]: Start difference. First operand 612 states and 985 transitions. Second operand 6 states. [2018-11-12 17:11:06,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:11:06,492 INFO L93 Difference]: Finished difference Result 1816 states and 2955 transitions. [2018-11-12 17:11:06,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 17:11:06,493 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-11-12 17:11:06,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:11:06,503 INFO L225 Difference]: With dead ends: 1816 [2018-11-12 17:11:06,503 INFO L226 Difference]: Without dead ends: 1210 [2018-11-12 17:11:06,507 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 17:11:06,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2018-11-12 17:11:06,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 1196. [2018-11-12 17:11:06,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1196 states. [2018-11-12 17:11:06,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1733 transitions. [2018-11-12 17:11:06,586 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1733 transitions. Word has length 174 [2018-11-12 17:11:06,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:11:06,587 INFO L480 AbstractCegarLoop]: Abstraction has 1196 states and 1733 transitions. [2018-11-12 17:11:06,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 17:11:06,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1733 transitions. [2018-11-12 17:11:06,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-12 17:11:06,596 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:11:06,596 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:11:06,597 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:11:06,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:11:06,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1874239161, now seen corresponding path program 1 times [2018-11-12 17:11:06,597 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:11:06,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:11:06,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:11:06,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:11:06,599 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:11:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:11:06,895 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 17:11:07,034 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 50 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-12 17:11:07,035 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:11:07,035 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:11:07,036 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-11-12 17:11:07,038 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [149], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [669], [671], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:11:07,091 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:11:07,091 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:11:07,855 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:11:07,857 INFO L272 AbstractInterpreter]: Visited 69 different actions 69 times. Never merged. Never widened. Performed 897 root evaluator evaluations with a maximum evaluation depth of 6. Performed 897 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Never found a fixpoint. Largest state had 42 variables. [2018-11-12 17:11:07,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:11:07,901 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:11:08,490 INFO L227 lantSequenceWeakener]: Weakened 115 states. On average, predicates are now at 79.67% of their original sizes. [2018-11-12 17:11:08,490 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:11:09,747 INFO L415 sIntCurrentIteration]: We unified 184 AI predicates to 184 [2018-11-12 17:11:09,747 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:11:09,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:11:09,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2018-11-12 17:11:09,749 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:11:09,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-12 17:11:09,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-12 17:11:09,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-11-12 17:11:09,750 INFO L87 Difference]: Start difference. First operand 1196 states and 1733 transitions. Second operand 12 states. [2018-11-12 17:11:20,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:11:20,359 INFO L93 Difference]: Finished difference Result 2447 states and 3571 transitions. [2018-11-12 17:11:20,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-12 17:11:20,359 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 185 [2018-11-12 17:11:20,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:11:20,366 INFO L225 Difference]: With dead ends: 2447 [2018-11-12 17:11:20,367 INFO L226 Difference]: Without dead ends: 1257 [2018-11-12 17:11:20,371 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 190 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-11-12 17:11:20,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2018-11-12 17:11:20,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1257. [2018-11-12 17:11:20,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1257 states. [2018-11-12 17:11:20,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 1802 transitions. [2018-11-12 17:11:20,412 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 1802 transitions. Word has length 185 [2018-11-12 17:11:20,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:11:20,413 INFO L480 AbstractCegarLoop]: Abstraction has 1257 states and 1802 transitions. [2018-11-12 17:11:20,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-12 17:11:20,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1802 transitions. [2018-11-12 17:11:20,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-12 17:11:20,420 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:11:20,421 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:11:20,421 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:11:20,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:11:20,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1542941171, now seen corresponding path program 1 times [2018-11-12 17:11:20,422 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:11:20,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:11:20,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:11:20,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:11:20,423 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:11:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:11:20,744 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:11:20,744 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:11:20,744 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:11:20,744 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 187 with the following transitions: [2018-11-12 17:11:20,745 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [149], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [669], [671], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:11:20,751 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:11:20,751 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:11:21,591 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:11:21,591 INFO L272 AbstractInterpreter]: Visited 133 different actions 198 times. Merged at 4 different actions 4 times. Never widened. Performed 2651 root evaluator evaluations with a maximum evaluation depth of 6. Performed 2651 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-12 17:11:21,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:11:21,630 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:11:22,378 INFO L227 lantSequenceWeakener]: Weakened 183 states. On average, predicates are now at 80.52% of their original sizes. [2018-11-12 17:11:22,379 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:11:23,327 INFO L415 sIntCurrentIteration]: We unified 185 AI predicates to 185 [2018-11-12 17:11:23,327 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:11:23,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:11:23,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-12 17:11:23,328 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:11:23,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 17:11:23,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 17:11:23,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-12 17:11:23,329 INFO L87 Difference]: Start difference. First operand 1257 states and 1802 transitions. Second operand 11 states. [2018-11-12 17:11:33,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:11:33,516 INFO L93 Difference]: Finished difference Result 3131 states and 4693 transitions. [2018-11-12 17:11:33,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-12 17:11:33,517 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 186 [2018-11-12 17:11:33,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:11:33,517 INFO L225 Difference]: With dead ends: 3131 [2018-11-12 17:11:33,517 INFO L226 Difference]: Without dead ends: 0 [2018-11-12 17:11:33,526 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 196 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2018-11-12 17:11:33,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-12 17:11:33,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-12 17:11:33,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-12 17:11:33,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-12 17:11:33,527 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 186 [2018-11-12 17:11:33,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:11:33,528 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-12 17:11:33,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 17:11:33,528 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-12 17:11:33,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-12 17:11:33,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-12 17:11:33,744 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 20 [2018-11-12 17:11:33,895 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2018-11-12 17:11:34,449 WARN L179 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 89 [2018-11-12 17:11:34,605 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-12 17:11:34,605 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a7~0)| ~a7~0) [2018-11-12 17:11:34,606 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-12 17:11:34,606 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-12 17:11:34,606 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-12 17:11:34,606 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,606 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,606 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,606 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,607 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,607 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,607 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-12 17:11:34,607 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-12 17:11:34,607 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-12 17:11:34,607 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-12 17:11:34,607 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-12 17:11:34,608 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-12 17:11:34,608 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-12 17:11:34,608 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-12 17:11:34,608 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-12 17:11:34,608 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-12 17:11:34,608 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,608 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,608 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,609 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,609 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,609 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,609 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-12 17:11:34,609 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-12 17:11:34,609 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-12 17:11:34,609 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-12 17:11:34,610 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-12 17:11:34,610 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-12 17:11:34,610 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-12 17:11:34,610 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-12 17:11:34,610 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-12 17:11:34,610 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-12 17:11:34,610 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-12 17:11:34,610 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-12 17:11:34,611 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-12 17:11:34,611 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-12 17:11:34,611 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-12 17:11:34,611 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,611 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,611 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,611 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,612 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,612 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-12 17:11:34,612 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-12 17:11:34,612 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-12 17:11:34,612 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-12 17:11:34,612 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-12 17:11:34,612 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-12 17:11:34,613 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-12 17:11:34,613 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-12 17:11:34,613 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-12 17:11:34,613 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,613 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,613 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,613 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,613 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,614 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-12 17:11:34,614 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-12 17:11:34,614 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-12 17:11:34,614 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-12 17:11:34,614 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-12 17:11:34,614 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-12 17:11:34,614 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-12 17:11:34,614 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-12 17:11:34,615 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-12 17:11:34,615 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-12 17:11:34,615 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-12 17:11:34,615 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-12 17:11:34,615 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-12 17:11:34,615 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,615 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,616 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,616 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,616 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,616 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-12 17:11:34,616 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-12 17:11:34,616 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-12 17:11:34,616 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-12 17:11:34,616 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-12 17:11:34,617 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-12 17:11:34,617 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-12 17:11:34,617 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-12 17:11:34,617 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-12 17:11:34,617 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,617 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,617 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,617 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,618 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,618 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,618 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-12 17:11:34,618 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,618 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-12 17:11:34,618 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-12 17:11:34,618 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-12 17:11:34,618 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-12 17:11:34,619 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-12 17:11:34,619 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-12 17:11:34,619 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-12 17:11:34,619 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-12 17:11:34,619 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-12 17:11:34,619 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-12 17:11:34,619 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-12 17:11:34,619 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-12 17:11:34,620 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-12 17:11:34,620 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,620 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,620 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,620 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,620 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,620 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-12 17:11:34,620 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-12 17:11:34,620 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-12 17:11:34,621 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-12 17:11:34,621 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-12 17:11:34,621 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-12 17:11:34,621 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-12 17:11:34,621 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-12 17:11:34,621 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,621 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,621 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,622 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,622 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,622 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-12 17:11:34,622 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-12 17:11:34,622 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-12 17:11:34,622 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-12 17:11:34,622 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-12 17:11:34,622 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-12 17:11:34,623 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-12 17:11:34,623 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-12 17:11:34,623 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-12 17:11:34,623 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-12 17:11:34,623 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse22 (= 1 |old(~a17~0)|))) (let ((.cse2 (< 15 |old(~a8~0)|)) (.cse7 (< 5 |old(~a16~0)|)) (.cse8 (< |old(~a16~0)| 4)) (.cse9 (< 1 |old(~a7~0)|)) (.cse12 (<= ~a16~0 5)) (.cse14 (= ~a21~0 1)) (.cse15 (<= ~a8~0 15)) (.cse17 (<= 13 ~a8~0)) (.cse18 (<= 4 ~a16~0)) (.cse19 (= ~a20~0 1)) (.cse10 (< |old(~a8~0)| 13)) (.cse11 (< |old(~a7~0)| 0)) (.cse0 (< 6 |calculate_output_#in~input|)) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse5 (= 1 |old(~a7~0)|)) (.cse3 (not (= 8 ~a12~0))) (.cse4 (not .cse22)) (.cse6 (not (= 1 |old(~a20~0)|))) (.cse20 (< |calculate_output_#in~input| 1)) (.cse21 (= 14 |old(~a8~0)|)) (.cse16 (= |old(~a7~0)| ~a7~0)) (.cse13 (= ~a17~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (and .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19) .cse20) (or .cse0 .cse1 .cse2 .cse21 .cse3 .cse4 .cse6 .cse7 .cse8 .cse9 (and .cse12 .cse13 .cse14 .cse15 .cse17 .cse18 .cse19) .cse10 .cse11 .cse20) (or .cse0 (not (= 0 |old(~a7~0)|)) .cse1 .cse3 (and (= ~a8~0 15) (= ~a16~0 5)) .cse4 .cse6 (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) .cse20) (or .cse0 (or .cse1 (not (= 4 |old(~a16~0)|)) (not .cse5) (not (= 13 |old(~a8~0)|))) .cse3 .cse4 (and (= ~a16~0 4) (= ~a8~0 13)) .cse6 .cse20) (or (and .cse16 (not (= ~a8~0 14))) .cse21) (or (and .cse16 (not .cse13)) .cse22)))) [2018-11-12 17:11:34,624 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-12 17:11:34,624 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,624 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,624 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,624 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,624 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-12 17:11:34,625 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,625 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,625 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-12 17:11:34,625 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-12 17:11:34,625 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-12 17:11:34,625 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-12 17:11:34,625 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-12 17:11:34,625 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-12 17:11:34,626 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-12 17:11:34,626 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-12 17:11:34,626 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-12 17:11:34,626 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-12 17:11:34,626 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 542) no Hoare annotation was computed. [2018-11-12 17:11:34,626 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-12 17:11:34,627 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-12 17:11:34,627 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,627 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,627 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,627 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,627 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,627 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-12 17:11:34,627 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,628 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-12 17:11:34,628 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-12 17:11:34,628 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-12 17:11:34,628 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-12 17:11:34,628 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-12 17:11:34,628 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-12 17:11:34,628 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-12 17:11:34,628 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-12 17:11:34,629 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-12 17:11:34,629 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-12 17:11:34,629 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-12 17:11:34,629 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-12 17:11:34,629 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-12 17:11:34,629 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-12 17:11:34,629 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,629 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,629 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,630 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,630 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,630 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:11:34,630 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-12 17:11:34,630 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-12 17:11:34,630 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-12 17:11:34,630 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-12 17:11:34,630 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-12 17:11:34,634 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-12 17:11:34,634 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-12 17:11:34,634 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-12 17:11:34,634 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-12 17:11:34,634 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-12 17:11:34,634 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-12 17:11:34,635 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-12 17:11:34,635 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-12 17:11:34,635 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-12 17:11:34,635 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (= ~a8~0 15) (= |old(~a7~0)| ~a7~0) (= ~a17~0 1) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-11-12 17:11:34,635 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-12 17:11:34,636 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (and (<= ~a7~0 1) (<= 1 main_~input~0) (<= main_~input~0 6) (<= ~a16~0 5) (= ~a21~0 1) (<= 0 ~a7~0) (not (= ~a7~0 1)) (<= 4 ~a16~0) (= ~a20~0 1)) (not (= ~a8~0 14)) (not (= ~a17~0 1)) (not (= 1 |old(~a17~0)|))) [2018-11-12 17:11:34,636 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-12 17:11:34,636 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-12 17:11:34,636 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-12 17:11:34,636 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (and (not (= ~a7~0 1)) (<= ~a7~0 1) (<= ~a16~0 5) (<= 4 ~a16~0) (= ~a21~0 1) (= ~a20~0 1) (<= 0 ~a7~0)) (not (= ~a8~0 14)) (not (= ~a17~0 1)) (not (= 1 |old(~a17~0)|))) [2018-11-12 17:11:34,636 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-12 17:11:34,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 05:11:34 BoogieIcfgContainer [2018-11-12 17:11:34,654 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 17:11:34,655 INFO L168 Benchmark]: Toolchain (without parser) took 38790.51 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.3 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -543.7 MB). Peak memory consumption was 759.2 MB. Max. memory is 7.1 GB. [2018-11-12 17:11:34,656 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 17:11:34,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-12 17:11:34,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.79 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 724.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -810.0 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2018-11-12 17:11:34,662 INFO L168 Benchmark]: Boogie Preprocessor took 106.21 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 17:11:34,662 INFO L168 Benchmark]: RCFGBuilder took 3177.82 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 117.7 MB). Peak memory consumption was 117.7 MB. Max. memory is 7.1 GB. [2018-11-12 17:11:34,664 INFO L168 Benchmark]: TraceAbstraction took 34686.74 ms. Allocated memory was 2.2 GB in the beginning and 2.8 GB in the end (delta: 578.8 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 106.3 MB). Peak memory consumption was 685.1 MB. Max. memory is 7.1 GB. [2018-11-12 17:11:34,672 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 124.79 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 724.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -810.0 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.21 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3177.82 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 117.7 MB). Peak memory consumption was 117.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 34686.74 ms. Allocated memory was 2.2 GB in the beginning and 2.8 GB in the end (delta: 578.8 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 106.3 MB). Peak memory consumption was 685.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 542]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((!(0 == \old(a7)) || !(1 == \old(a21))) || !(1 == \old(a20))) || !(15 == \old(a8))) || !(5 == \old(a16))) || !(8 == a12)) || ((((((!(a7 == 1) && a7 <= 1) && a16 <= 5) && 4 <= a16) && a21 == 1) && a20 == 1) && 0 <= a7)) || !(a8 == 14)) || !(a17 == 1)) || !(1 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 34.5s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 25.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1023 SDtfs, 1996 SDslu, 787 SDs, 0 SdLazy, 3368 SolverSat, 803 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 406 GetRequests, 357 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1257occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.7s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9980868244300104 AbsIntWeakeningRatio, 0.1897018970189702 AbsIntAvgWeakeningVarsNumRemoved, 28.791327913279133 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 39 PreInvPairs, 67 NumberOfFragments, 465 HoareAnnotationTreeSize, 39 FomulaSimplifications, 1280 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 759 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 821 NumberOfCodeBlocks, 821 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 816 ConstructedInterpolants, 0 QuantifiedInterpolants, 340840 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 173/181 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...