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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-11 17:56:54,145 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-11 17:56:54,147 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-11 17:56:54,162 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-11 17:56:54,163 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-11 17:56:54,164 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-11 17:56:54,165 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-11 17:56:54,166 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-11 17:56:54,168 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-11 17:56:54,169 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-11 17:56:54,171 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-11 17:56:54,172 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-11 17:56:54,173 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-11 17:56:54,176 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-11 17:56:54,178 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-11 17:56:54,180 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-11 17:56:54,181 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-11 17:56:54,183 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-11 17:56:54,191 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-11 17:56:54,193 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-11 17:56:54,194 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-11 17:56:54,197 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-11 17:56:54,200 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-11 17:56:54,201 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-11 17:56:54,201 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-11 17:56:54,203 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-11 17:56:54,204 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-11 17:56:54,205 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-11 17:56:54,206 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-11 17:56:54,209 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-11 17:56:54,210 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-11 17:56:54,212 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-11 17:56:54,212 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-11 17:56:54,212 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-11 17:56:54,214 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-11 17:56:54,215 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-11 17:56:54,215 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf [2018-09-11 17:56:54,244 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-11 17:56:54,244 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-11 17:56:54,245 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-11 17:56:54,245 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-11 17:56:54,245 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-11 17:56:54,245 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-11 17:56:54,246 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-11 17:56:54,246 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-11 17:56:54,246 INFO L133 SettingsManager]: * Abstract domain=CongruenceDomain [2018-09-11 17:56:54,246 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-11 17:56:54,246 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-11 17:56:54,247 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-11 17:56:54,247 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-11 17:56:54,248 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-11 17:56:54,248 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-11 17:56:54,248 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-11 17:56:54,249 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-11 17:56:54,249 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-11 17:56:54,249 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-11 17:56:54,249 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-11 17:56:54,250 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-11 17:56:54,250 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-11 17:56:54,250 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-11 17:56:54,250 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-11 17:56:54,250 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-11 17:56:54,252 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-11 17:56:54,252 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-11 17:56:54,252 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-11 17:56:54,252 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-11 17:56:54,252 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-11 17:56:54,253 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-11 17:56:54,253 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-11 17:56:54,253 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-11 17:56:54,253 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-11 17:56:54,310 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-11 17:56:54,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-11 17:56:54,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-11 17:56:54,332 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-11 17:56:54,333 INFO L276 PluginConnector]: CDTParser initialized [2018-09-11 17:56:54,334 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-09-11 17:56:54,694 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b6abe44/936a590b88a94a7db92b2f068d9fdccd/FLAG58a6971f8 [2018-09-11 17:56:54,926 INFO L276 CDTParser]: Found 1 translation units. [2018-09-11 17:56:54,930 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-09-11 17:56:54,955 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b6abe44/936a590b88a94a7db92b2f068d9fdccd/FLAG58a6971f8 [2018-09-11 17:56:54,982 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b6abe44/936a590b88a94a7db92b2f068d9fdccd [2018-09-11 17:56:54,993 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-11 17:56:54,996 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-11 17:56:54,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-11 17:56:54,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-11 17:56:55,004 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-11 17:56:55,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:56:54" (1/1) ... [2018-09-11 17:56:55,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65d96ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:56:55, skipping insertion in model container [2018-09-11 17:56:55,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:56:54" (1/1) ... [2018-09-11 17:56:55,243 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-11 17:56:55,522 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 17:56:55,546 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-11 17:56:55,663 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 17:56:55,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:56:55 WrapperNode [2018-09-11 17:56:55,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-11 17:56:55,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-11 17:56:55,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-11 17:56:55,708 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-11 17:56:55,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:56:55" (1/1) ... [2018-09-11 17:56:55,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:56:55" (1/1) ... [2018-09-11 17:56:55,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-11 17:56:55,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-11 17:56:55,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-11 17:56:55,810 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-11 17:56:55,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:56:55" (1/1) ... [2018-09-11 17:56:55,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:56:55" (1/1) ... [2018-09-11 17:56:55,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:56:55" (1/1) ... [2018-09-11 17:56:55,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:56:55" (1/1) ... [2018-09-11 17:56:56,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:56:55" (1/1) ... [2018-09-11 17:56:56,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:56:55" (1/1) ... [2018-09-11 17:56:56,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:56:55" (1/1) ... [2018-09-11 17:56:56,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-11 17:56:56,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-11 17:56:56,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-11 17:56:56,039 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-11 17:56:56,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:56:55" (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 [2018-09-11 17:56:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-09-11 17:56:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-09-11 17:56:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-11 17:56:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-11 17:56:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-11 17:56:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-11 17:56:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-11 17:56:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-11 17:56:59,477 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-11 17:56:59,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:56:59 BoogieIcfgContainer [2018-09-11 17:56:59,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-11 17:56:59,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-11 17:56:59,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-11 17:56:59,486 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-11 17:56:59,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 05:56:54" (1/3) ... [2018-09-11 17:56:59,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d35f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 05:56:59, skipping insertion in model container [2018-09-11 17:56:59,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:56:55" (2/3) ... [2018-09-11 17:56:59,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d35f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 05:56:59, skipping insertion in model container [2018-09-11 17:56:59,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:56:59" (3/3) ... [2018-09-11 17:56:59,490 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label22_true-unreach-call_false-termination.c [2018-09-11 17:56:59,502 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-11 17:56:59,514 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-11 17:56:59,585 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-11 17:56:59,586 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-11 17:56:59,586 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-11 17:56:59,586 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-11 17:56:59,586 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-11 17:56:59,587 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-11 17:56:59,588 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-11 17:56:59,588 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-11 17:56:59,588 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-11 17:56:59,624 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-09-11 17:56:59,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-11 17:56:59,644 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 17:56:59,647 INFO L376 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] [2018-09-11 17:56:59,649 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 17:56:59,654 INFO L82 PathProgramCache]: Analyzing trace with hash -217644328, now seen corresponding path program 1 times [2018-09-11 17:56:59,656 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 17:56:59,657 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 105 with the following transitions: [2018-09-11 17:56:59,660 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [12], [16], [20], [24], [28], [32], [36], [40], [51], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [169], [173], [177], [181], [185], [189], [193], [197], [208], [212], [216], [220], [231], [235], [239], [243], [247], [251], [255], [266], [270], [281], [285], [296], [307], [311], [315], [319], [323], [327], [331], [342], [346], [350], [354], [358], [362], [366], [370], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [862], [863], [867], [871], [877], [881], [888], [889], [890], [892] [2018-09-11 17:56:59,695 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 17:56:59,695 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 17:56:59,935 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 17:56:59,937 INFO L272 AbstractInterpreter]: Visited 103 different actions 103 times. Never merged. Never widened. Never found a fixpoint. Largest state had 37 variables. [2018-09-11 17:57:00,001 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 17:57:00,232 INFO L232 lantSequenceWeakener]: Weakened 101 states. On average, predicates are now at 80.63% of their original sizes. [2018-09-11 17:57:00,232 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 17:57:00,353 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 17:57:00,357 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 17:57:00,357 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-11 17:57:00,357 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 17:57:00,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-11 17:57:00,370 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-11 17:57:00,371 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-11 17:57:00,374 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 6 states. [2018-09-11 17:57:03,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 17:57:03,050 INFO L93 Difference]: Finished difference Result 622 states and 1061 transitions. [2018-09-11 17:57:03,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-11 17:57:03,052 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-09-11 17:57:03,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 17:57:03,072 INFO L225 Difference]: With dead ends: 622 [2018-09-11 17:57:03,072 INFO L226 Difference]: Without dead ends: 383 [2018-09-11 17:57:03,080 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-09-11 17:57:03,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-09-11 17:57:03,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 380. [2018-09-11 17:57:03,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-09-11 17:57:03,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 531 transitions. [2018-09-11 17:57:03,162 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 531 transitions. Word has length 104 [2018-09-11 17:57:03,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 17:57:03,163 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 531 transitions. [2018-09-11 17:57:03,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-11 17:57:03,164 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 531 transitions. [2018-09-11 17:57:03,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-11 17:57:03,172 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 17:57:03,174 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-11 17:57:03,174 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 17:57:03,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1679424711, now seen corresponding path program 1 times [2018-09-11 17:57:03,175 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 17:57:03,175 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 115 with the following transitions: [2018-09-11 17:57:03,177 INFO L202 CegarAbsIntRunner]: [0], [4], [7], [8], [12], [16], [20], [24], [28], [32], [36], [40], [51], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [169], [173], [177], [181], [185], [189], [193], [197], [208], [212], [216], [220], [231], [235], [239], [243], [247], [251], [255], [266], [270], [281], [285], [296], [307], [311], [315], [319], [323], [327], [331], [342], [346], [350], [354], [358], [362], [366], [370], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [861], [862], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-11 17:57:03,185 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 17:57:03,185 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 17:57:03,298 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 17:57:03,298 INFO L272 AbstractInterpreter]: Visited 107 different actions 208 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-09-11 17:57:03,342 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 17:57:03,546 INFO L232 lantSequenceWeakener]: Weakened 111 states. On average, predicates are now at 80.71% of their original sizes. [2018-09-11 17:57:03,547 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 17:57:03,671 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 17:57:03,672 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 17:57:03,672 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-11 17:57:03,672 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 17:57:03,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-11 17:57:03,674 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-11 17:57:03,674 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-09-11 17:57:03,674 INFO L87 Difference]: Start difference. First operand 380 states and 531 transitions. Second operand 9 states. [2018-09-11 17:57:07,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 17:57:07,721 INFO L93 Difference]: Finished difference Result 905 states and 1347 transitions. [2018-09-11 17:57:07,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-11 17:57:07,722 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 114 [2018-09-11 17:57:07,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 17:57:07,728 INFO L225 Difference]: With dead ends: 905 [2018-09-11 17:57:07,728 INFO L226 Difference]: Without dead ends: 531 [2018-09-11 17:57:07,732 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 120 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-09-11 17:57:07,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-09-11 17:57:07,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 527. [2018-09-11 17:57:07,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2018-09-11 17:57:07,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 690 transitions. [2018-09-11 17:57:07,785 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 690 transitions. Word has length 114 [2018-09-11 17:57:07,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 17:57:07,786 INFO L480 AbstractCegarLoop]: Abstraction has 527 states and 690 transitions. [2018-09-11 17:57:07,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-11 17:57:07,787 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 690 transitions. [2018-09-11 17:57:07,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-11 17:57:07,790 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 17:57:07,791 INFO L376 BasicCegarLoop]: trace histogram [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] [2018-09-11 17:57:07,791 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 17:57:07,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1649267121, now seen corresponding path program 1 times [2018-09-11 17:57:07,792 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 17:57:07,792 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 119 with the following transitions: [2018-09-11 17:57:07,792 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [12], [16], [20], [23], [24], [28], [32], [36], [40], [51], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [169], [173], [177], [181], [185], [189], [193], [197], [208], [212], [216], [220], [231], [235], [239], [243], [247], [251], [255], [266], [270], [281], [285], [296], [307], [311], [315], [319], [323], [327], [331], [342], [346], [350], [354], [358], [362], [366], [370], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [861], [862], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-11 17:57:07,795 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 17:57:07,795 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 17:57:07,881 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 17:57:07,881 INFO L272 AbstractInterpreter]: Visited 107 different actions 208 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-09-11 17:57:07,923 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 17:57:08,064 INFO L232 lantSequenceWeakener]: Weakened 115 states. On average, predicates are now at 80.71% of their original sizes. [2018-09-11 17:57:08,065 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 17:57:08,350 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 17:57:08,351 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 17:57:08,351 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-11 17:57:08,351 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 17:57:08,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-11 17:57:08,352 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-11 17:57:08,352 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-09-11 17:57:08,353 INFO L87 Difference]: Start difference. First operand 527 states and 690 transitions. Second operand 9 states. [2018-09-11 17:57:10,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 17:57:10,552 INFO L93 Difference]: Finished difference Result 1199 states and 1665 transitions. [2018-09-11 17:57:10,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-11 17:57:10,554 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 118 [2018-09-11 17:57:10,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 17:57:10,558 INFO L225 Difference]: With dead ends: 1199 [2018-09-11 17:57:10,559 INFO L226 Difference]: Without dead ends: 678 [2018-09-11 17:57:10,561 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-09-11 17:57:10,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2018-09-11 17:57:10,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 674. [2018-09-11 17:57:10,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2018-09-11 17:57:10,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 849 transitions. [2018-09-11 17:57:10,584 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 849 transitions. Word has length 118 [2018-09-11 17:57:10,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 17:57:10,585 INFO L480 AbstractCegarLoop]: Abstraction has 674 states and 849 transitions. [2018-09-11 17:57:10,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-11 17:57:10,585 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 849 transitions. [2018-09-11 17:57:10,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-11 17:57:10,588 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 17:57:10,588 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 17:57:10,588 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 17:57:10,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1525672878, now seen corresponding path program 1 times [2018-09-11 17:57:10,589 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 17:57:10,589 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 129 with the following transitions: [2018-09-11 17:57:10,589 INFO L202 CegarAbsIntRunner]: [0], [4], [7], [8], [12], [16], [20], [23], [24], [28], [32], [36], [40], [51], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [169], [173], [177], [181], [185], [189], [193], [197], [208], [212], [216], [220], [231], [235], [239], [243], [247], [251], [255], [266], [270], [281], [285], [296], [307], [311], [315], [319], [323], [327], [331], [342], [346], [350], [354], [358], [362], [366], [370], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [861], [862], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-11 17:57:10,592 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 17:57:10,592 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 17:57:10,701 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 17:57:10,701 INFO L272 AbstractInterpreter]: Visited 108 different actions 422 times. Merged at 7 different actions 23 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 38 variables. [2018-09-11 17:57:10,739 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 17:57:10,886 INFO L232 lantSequenceWeakener]: Weakened 125 states. On average, predicates are now at 82.29% of their original sizes. [2018-09-11 17:57:10,887 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 17:57:11,347 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 17:57:11,347 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 17:57:11,347 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-11 17:57:11,347 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 17:57:11,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-11 17:57:11,348 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-11 17:57:11,351 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-09-11 17:57:11,351 INFO L87 Difference]: Start difference. First operand 674 states and 849 transitions. Second operand 9 states. [2018-09-11 17:57:14,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 17:57:14,772 INFO L93 Difference]: Finished difference Result 1505 states and 1999 transitions. [2018-09-11 17:57:14,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-11 17:57:14,774 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 128 [2018-09-11 17:57:14,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 17:57:14,778 INFO L225 Difference]: With dead ends: 1505 [2018-09-11 17:57:14,779 INFO L226 Difference]: Without dead ends: 837 [2018-09-11 17:57:14,781 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-09-11 17:57:14,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2018-09-11 17:57:14,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 828. [2018-09-11 17:57:14,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-09-11 17:57:14,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1043 transitions. [2018-09-11 17:57:14,806 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1043 transitions. Word has length 128 [2018-09-11 17:57:14,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 17:57:14,807 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1043 transitions. [2018-09-11 17:57:14,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-11 17:57:14,807 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1043 transitions. [2018-09-11 17:57:14,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-09-11 17:57:14,810 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 17:57:14,810 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-09-11 17:57:14,811 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 17:57:14,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1112740201, now seen corresponding path program 1 times [2018-09-11 17:57:14,811 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 17:57:14,811 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 138 with the following transitions: [2018-09-11 17:57:14,812 INFO L202 CegarAbsIntRunner]: [0], [3], [4], [7], [8], [12], [16], [20], [23], [24], [28], [32], [36], [40], [51], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [169], [173], [177], [181], [185], [189], [193], [197], [208], [212], [216], [220], [231], [235], [239], [243], [247], [251], [255], [266], [270], [281], [285], [296], [307], [311], [315], [319], [323], [327], [331], [342], [346], [350], [354], [358], [362], [366], [370], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [861], [862], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-11 17:57:14,814 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 17:57:14,814 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 17:57:14,991 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 17:57:14,992 INFO L272 AbstractInterpreter]: Visited 109 different actions 643 times. Merged at 8 different actions 44 times. Widened at 1 different actions 1 times. Found 11 fixpoints after 1 different actions. Largest state had 38 variables. [2018-09-11 17:57:15,035 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 17:57:15,168 INFO L232 lantSequenceWeakener]: Weakened 134 states. On average, predicates are now at 84.58% of their original sizes. [2018-09-11 17:57:15,169 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 17:57:15,443 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 17:57:15,443 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 17:57:15,443 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-11 17:57:15,444 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 17:57:15,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-11 17:57:15,444 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-11 17:57:15,445 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-09-11 17:57:15,445 INFO L87 Difference]: Start difference. First operand 828 states and 1043 transitions. Second operand 9 states. [2018-09-11 17:57:18,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 17:57:18,222 INFO L93 Difference]: Finished difference Result 1885 states and 2519 transitions. [2018-09-11 17:57:18,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-11 17:57:18,222 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 137 [2018-09-11 17:57:18,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 17:57:18,228 INFO L225 Difference]: With dead ends: 1885 [2018-09-11 17:57:18,228 INFO L226 Difference]: Without dead ends: 1063 [2018-09-11 17:57:18,231 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 147 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2018-09-11 17:57:18,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2018-09-11 17:57:18,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1052. [2018-09-11 17:57:18,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2018-09-11 17:57:18,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1328 transitions. [2018-09-11 17:57:18,261 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1328 transitions. Word has length 137 [2018-09-11 17:57:18,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 17:57:18,262 INFO L480 AbstractCegarLoop]: Abstraction has 1052 states and 1328 transitions. [2018-09-11 17:57:18,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-11 17:57:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1328 transitions. [2018-09-11 17:57:18,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-09-11 17:57:18,265 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 17:57:18,265 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-11 17:57:18,266 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 17:57:18,266 INFO L82 PathProgramCache]: Analyzing trace with hash 983503783, now seen corresponding path program 1 times [2018-09-11 17:57:18,266 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 17:57:18,266 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 142 with the following transitions: [2018-09-11 17:57:18,267 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [12], [16], [20], [23], [24], [28], [32], [36], [40], [51], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [169], [173], [177], [181], [185], [189], [193], [197], [208], [212], [216], [220], [231], [235], [239], [243], [247], [251], [255], [266], [270], [281], [285], [296], [307], [311], [315], [319], [323], [327], [331], [342], [346], [350], [354], [358], [362], [366], [370], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [861], [862], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-11 17:57:18,268 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 17:57:18,269 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 17:57:18,342 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 17:57:18,342 INFO L272 AbstractInterpreter]: Visited 108 different actions 316 times. Merged at 7 different actions 14 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-09-11 17:57:18,383 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 17:57:18,535 INFO L232 lantSequenceWeakener]: Weakened 138 states. On average, predicates are now at 80.87% of their original sizes. [2018-09-11 17:57:18,536 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 17:57:18,716 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 17:57:18,717 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 17:57:18,717 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-11 17:57:18,717 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 17:57:18,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-11 17:57:18,718 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-11 17:57:18,719 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-11 17:57:18,719 INFO L87 Difference]: Start difference. First operand 1052 states and 1328 transitions. Second operand 10 states. [2018-09-11 17:57:22,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 17:57:22,326 INFO L93 Difference]: Finished difference Result 2628 states and 3535 transitions. [2018-09-11 17:57:22,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-09-11 17:57:22,327 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 141 [2018-09-11 17:57:22,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 17:57:22,334 INFO L225 Difference]: With dead ends: 2628 [2018-09-11 17:57:22,335 INFO L226 Difference]: Without dead ends: 1582 [2018-09-11 17:57:22,338 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 154 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=127, Invalid=425, Unknown=0, NotChecked=0, Total=552 [2018-09-11 17:57:22,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2018-09-11 17:57:22,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1565. [2018-09-11 17:57:22,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1565 states. [2018-09-11 17:57:22,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 1963 transitions. [2018-09-11 17:57:22,384 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 1963 transitions. Word has length 141 [2018-09-11 17:57:22,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 17:57:22,384 INFO L480 AbstractCegarLoop]: Abstraction has 1565 states and 1963 transitions. [2018-09-11 17:57:22,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-11 17:57:22,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 1963 transitions. [2018-09-11 17:57:22,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-09-11 17:57:22,389 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 17:57:22,389 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-11 17:57:22,389 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 17:57:22,390 INFO L82 PathProgramCache]: Analyzing trace with hash -305374438, now seen corresponding path program 1 times [2018-09-11 17:57:22,390 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 17:57:22,390 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-09-11 17:57:22,390 INFO L202 CegarAbsIntRunner]: [0], [4], [7], [8], [12], [16], [20], [23], [24], [28], [32], [36], [40], [51], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [169], [173], [177], [181], [185], [189], [193], [197], [208], [212], [216], [220], [231], [235], [239], [243], [247], [251], [255], [266], [270], [281], [285], [296], [307], [311], [315], [319], [323], [327], [331], [342], [346], [350], [354], [358], [362], [366], [370], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [861], [862], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-11 17:57:22,392 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 17:57:22,392 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 17:57:22,511 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 17:57:22,511 INFO L272 AbstractInterpreter]: Visited 109 different actions 537 times. Merged at 8 different actions 36 times. Never widened. Found 9 fixpoints after 2 different actions. Largest state had 38 variables. [2018-09-11 17:57:22,560 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 17:57:22,682 INFO L232 lantSequenceWeakener]: Weakened 154 states. On average, predicates are now at 86.37% of their original sizes. [2018-09-11 17:57:22,682 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 17:57:22,814 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 17:57:22,815 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 17:57:22,815 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-11 17:57:22,815 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 17:57:22,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-11 17:57:22,815 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-11 17:57:22,816 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-09-11 17:57:22,816 INFO L87 Difference]: Start difference. First operand 1565 states and 1963 transitions. Second operand 9 states. [2018-09-11 17:57:25,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 17:57:25,792 INFO L93 Difference]: Finished difference Result 3474 states and 4505 transitions. [2018-09-11 17:57:25,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-11 17:57:25,795 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-09-11 17:57:25,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 17:57:25,807 INFO L225 Difference]: With dead ends: 3474 [2018-09-11 17:57:25,807 INFO L226 Difference]: Without dead ends: 1915 [2018-09-11 17:57:25,814 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 166 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2018-09-11 17:57:25,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1915 states. [2018-09-11 17:57:25,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1915 to 1874. [2018-09-11 17:57:25,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1874 states. [2018-09-11 17:57:25,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1874 states and 2394 transitions. [2018-09-11 17:57:25,881 INFO L78 Accepts]: Start accepts. Automaton has 1874 states and 2394 transitions. Word has length 157 [2018-09-11 17:57:25,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 17:57:25,882 INFO L480 AbstractCegarLoop]: Abstraction has 1874 states and 2394 transitions. [2018-09-11 17:57:25,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-11 17:57:25,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2394 transitions. [2018-09-11 17:57:25,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-09-11 17:57:25,887 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 17:57:25,887 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 17:57:25,887 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 17:57:25,888 INFO L82 PathProgramCache]: Analyzing trace with hash -435279560, now seen corresponding path program 1 times [2018-09-11 17:57:25,888 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 17:57:25,888 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-09-11 17:57:25,888 INFO L202 CegarAbsIntRunner]: [0], [4], [7], [8], [12], [16], [20], [23], [24], [28], [32], [36], [40], [51], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [125], [126], [130], [134], [138], [142], [146], [150], [154], [158], [169], [173], [177], [181], [185], [189], [193], [197], [208], [212], [216], [220], [231], [235], [239], [243], [247], [251], [255], [266], [270], [281], [285], [296], [307], [311], [315], [319], [323], [327], [331], [342], [346], [350], [354], [358], [362], [366], [370], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [861], [862], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-09-11 17:57:25,890 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 17:57:25,890 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 17:57:26,028 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-11 17:57:26,028 INFO L272 AbstractInterpreter]: Visited 110 different actions 538 times. Merged at 8 different actions 36 times. Never widened. Found 9 fixpoints after 2 different actions. Largest state had 38 variables. [2018-09-11 17:57:26,065 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-11 17:57:26,112 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-11 17:57:26,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 05:57:26 BoogieIcfgContainer [2018-09-11 17:57:26,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-11 17:57:26,114 INFO L168 Benchmark]: Toolchain (without parser) took 31120.28 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -188.4 MB). Peak memory consumption was 880.7 MB. Max. memory is 7.1 GB. [2018-09-11 17:57:26,116 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-09-11 17:57:26,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.40 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. [2018-09-11 17:57:26,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.21 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. [2018-09-11 17:57:26,118 INFO L168 Benchmark]: Boogie Preprocessor took 229.04 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 737.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -796.2 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2018-09-11 17:57:26,119 INFO L168 Benchmark]: RCFGBuilder took 3439.56 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: 110.4 MB). Peak memory consumption was 110.4 MB. Max. memory is 7.1 GB. [2018-09-11 17:57:26,120 INFO L168 Benchmark]: TraceAbstraction took 26633.48 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 331.9 MB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 465.7 MB). Peak memory consumption was 797.6 MB. Max. memory is 7.1 GB. [2018-09-11 17:57:26,129 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 710.40 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 101.21 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. * Boogie Preprocessor took 229.04 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 737.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -796.2 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3439.56 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: 110.4 MB). Peak memory consumption was 110.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26633.48 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 331.9 MB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 465.7 MB). Peak memory consumption was 797.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 463]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L7] int a= 1; [L8] int e= 5; [L9] int d= 4; [L10] int f= 6; [L11] int c= 3; [L14] int u = 21; [L15] int v = 22; [L16] int w = 23; [L17] int x = 24; [L18] int y = 25; [L19] int z = 26; [L22] int a25 = 0; [L23] int a11 = 0; [L24] int a28 = 7; [L25] int a19 = 1; [L26] int a21 = 1; [L27] int a17 = 8; [L603] int output = -1; [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L614] CALL, EXPR calculate_output(input) [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L35] COND TRUE ((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1))) [L36] a28 = 10 [L37] RET return 22; [L614] EXPR calculate_output(input) [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L614] CALL, EXPR calculate_output(input) [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L50] COND TRUE ((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7))))) [L51] a28 = 11 [L52] a25 = 1 [L53] RET return 26; [L614] EXPR calculate_output(input) [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L614] CALL, EXPR calculate_output(input) [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L54] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L65] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L119] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L148] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L154] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L159] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L165] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L169] COND TRUE ((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1))) [L170] a17 = 7 [L171] a11 = 1 [L172] a28 = 7 [L173] a25 = 1 [L174] RET return -1; [L614] EXPR calculate_output(input) [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L614] CALL calculate_output(input) [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L54] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L65] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L119] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L148] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L154] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L159] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L165] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L169] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) [L175] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) [L179] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) [L185] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) [L187] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) [L189] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) [L191] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) [L194] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) [L198] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) [L202] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) [L212] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) [L215] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) [L218] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) [L223] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) [L225] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) [L232] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) [L234] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) [L237] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) [L248] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) [L253] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) [L259] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) [L261] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) [L276] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) [L280] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) [L283] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) [L286] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) [L291] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) [L293] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) [L297] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) [L309] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) [L314] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) [L328] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) [L331] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) [L337] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) [L349] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) [L354] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) [L361] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) [L368] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) [L375] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) [L378] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) [L380] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) [L389] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) [L394] COND FALSE !((((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1))) [L398] COND FALSE !((((a17==8)&&((((input==4)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9))))&&(a21==1))&&!(a19==1)))&&!(a11==1))) [L402] COND FALSE !((((!(a11==1)&&((((a19==1)&&(input==5))&&(a17==8))&&(a21==1)))&&(a28==9))&&!(a25==1))) [L404] COND FALSE !((((a11==1)&&((a19==1)&&((a21==1)&&(((a17==9)&&(input==5))&&!(a25==1)))))&&(a28==8))) [L407] COND FALSE !((!(a11==1)&&((a21==1)&&(((a19==1)&&((a17==8)&&((a25==1)&&(input==5))))&&(a28==11))))) [L409] COND FALSE !(((a19==1)&&((a17==8)&&(((((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))&&!(a11==1))&&(a21==1))))) [L414] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==8))) [L417] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==8))) [L420] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) [L423] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) [L426] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==8))) [L429] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==9))&&!(a19==1))&&(a21==1))&&(a17==7))) [L432] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==7))) [L435] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==8))) [L438] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) [L441] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==8))) [L444] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==11))&&!(a19==1))&&(a21==1))&&(a17==8))) [L447] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) [L450] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==7))) [L453] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==7))) [L456] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==11))&&(a19==1))&&(a21==1))&&(a17==7))) [L459] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==7))) [L462] COND TRUE (((((!(a25==1)&&!(a11==1))&&(a28==8))&&(a19==1))&&(a21==1))&&(a17==7)) [L463] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. UNKNOWN Result, 26.5s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 21.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1518 SDtfs, 5497 SDslu, 2451 SDs, 0 SdLazy, 11371 SolverSat, 1623 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.8s Time, PredicateUnifierStatistics: 14 DeclaredPredicates, 949 GetRequests, 845 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1874occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.4s AbstIntTime, 8 AbstIntIterations, 7 AbstIntStrong, 0.996725313034257 AbsIntWeakeningRatio, 0.24551569506726456 AbsIntAvgWeakeningVarsNumRemoved, 15.245515695067265 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 89 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem02_label22_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-11_17-57-26-154.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem02_label22_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-11_17-57-26-154.csv Received shutdown request...