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-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label34_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 12:32:52,794 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 12:32:52,797 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 12:32:52,811 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 12:32:52,811 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 12:32:52,812 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 12:32:52,813 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 12:32:52,815 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 12:32:52,817 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 12:32:52,817 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 12:32:52,818 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 12:32:52,819 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 12:32:52,819 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 12:32:52,820 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 12:32:52,823 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 12:32:52,824 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 12:32:52,825 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 12:32:52,831 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 12:32:52,836 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 12:32:52,843 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 12:32:52,845 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 12:32:52,848 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 12:32:52,852 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 12:32:52,852 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 12:32:52,852 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 12:32:52,853 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 12:32:52,854 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 12:32:52,855 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 12:32:52,856 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 12:32:52,857 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 12:32:52,857 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 12:32:52,858 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 12:32:52,858 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 12:32:52,858 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 12:32:52,859 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 12:32:52,860 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 12:32:52,860 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-18 12:32:52,881 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 12:32:52,882 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 12:32:52,882 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 12:32:52,883 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 12:32:52,883 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 12:32:52,883 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 12:32:52,884 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 12:32:52,884 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 12:32:52,885 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 12:32:52,885 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 12:32:52,885 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 12:32:52,885 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 12:32:52,886 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 12:32:52,887 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 12:32:52,887 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 12:32:52,887 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 12:32:52,887 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 12:32:52,887 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 12:32:52,888 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 12:32:52,888 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 12:32:52,888 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 12:32:52,888 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 12:32:52,890 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 12:32:52,890 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 12:32:52,891 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 12:32:52,891 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 12:32:52,891 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 12:32:52,891 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 12:32:52,891 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 12:32:52,892 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 12:32:52,892 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 12:32:52,892 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 12:32:52,892 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 12:32:52,892 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 12:32:52,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 12:32:52,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 12:32:52,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 12:32:52,973 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 12:32:52,974 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 12:32:52,974 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label34_true-unreach-call.c [2018-09-18 12:32:53,303 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df155f52c/fa7d02f7932b4c0096636ff78d318ddb/FLAG4f012f482 [2018-09-18 12:32:53,976 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 12:32:53,976 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label34_true-unreach-call.c [2018-09-18 12:32:54,027 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df155f52c/fa7d02f7932b4c0096636ff78d318ddb/FLAG4f012f482 [2018-09-18 12:32:54,047 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df155f52c/fa7d02f7932b4c0096636ff78d318ddb [2018-09-18 12:32:54,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 12:32:54,065 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 12:32:54,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 12:32:54,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 12:32:54,073 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 12:32:54,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:32:54" (1/1) ... [2018-09-18 12:32:54,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a96985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:54, skipping insertion in model container [2018-09-18 12:32:54,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 12:32:54" (1/1) ... [2018-09-18 12:32:54,092 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 12:32:56,116 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:32:56,136 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 12:32:57,169 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 12:32:57,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:57 WrapperNode [2018-09-18 12:32:57,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 12:32:57,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 12:32:57,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 12:32:57,955 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 12:32:57,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:57" (1/1) ... [2018-09-18 12:32:58,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:57" (1/1) ... [2018-09-18 12:32:58,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 12:32:58,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 12:32:58,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 12:32:58,293 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 12:32:59,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:57" (1/1) ... [2018-09-18 12:32:59,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:57" (1/1) ... [2018-09-18 12:32:59,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:57" (1/1) ... [2018-09-18 12:32:59,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:57" (1/1) ... [2018-09-18 12:32:59,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:57" (1/1) ... [2018-09-18 12:32:59,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:57" (1/1) ... [2018-09-18 12:33:00,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:57" (1/1) ... [2018-09-18 12:33:00,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 12:33:00,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 12:33:00,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 12:33:00,201 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 12:33:00,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:57" (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 [2018-09-18 12:33:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 12:33:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 12:33:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-18 12:33:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-18 12:33:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-18 12:33:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-18 12:33:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-18 12:33:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-18 12:33:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-18 12:33:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-18 12:33:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-18 12:33:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-18 12:33:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 12:33:00,280 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 12:33:00,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 12:33:00,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 12:33:00,281 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 12:33:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 12:33:17,827 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 12:33:17,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:33:17 BoogieIcfgContainer [2018-09-18 12:33:17,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 12:33:17,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 12:33:17,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 12:33:17,832 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 12:33:17,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 12:32:54" (1/3) ... [2018-09-18 12:33:17,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c5bf2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:33:17, skipping insertion in model container [2018-09-18 12:33:17,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 12:32:57" (2/3) ... [2018-09-18 12:33:17,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c5bf2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 12:33:17, skipping insertion in model container [2018-09-18 12:33:17,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 12:33:17" (3/3) ... [2018-09-18 12:33:17,836 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label34_true-unreach-call.c [2018-09-18 12:33:17,844 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 12:33:17,853 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 12:33:17,919 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 12:33:17,920 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 12:33:17,920 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 12:33:17,920 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 12:33:17,920 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 12:33:17,920 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 12:33:17,920 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 12:33:17,920 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 12:33:17,921 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 12:33:17,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-18 12:33:17,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-18 12:33:17,981 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:33:17,982 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] [2018-09-18 12:33:17,983 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:33:17,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1059203938, now seen corresponding path program 1 times [2018-09-18 12:33:17,992 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:33:18,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:33:18,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:33:18,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:33:18,044 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:33:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:33:18,476 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:33:18,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:33:18,603 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:33:18,604 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 12:33:18,604 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:33:18,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 12:33:18,626 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 12:33:18,626 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 12:33:18,629 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-09-18 12:33:34,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:33:34,205 INFO L93 Difference]: Finished difference Result 4999 states and 9420 transitions. [2018-09-18 12:33:34,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 12:33:34,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-09-18 12:33:34,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:33:34,263 INFO L225 Difference]: With dead ends: 4999 [2018-09-18 12:33:34,263 INFO L226 Difference]: Without dead ends: 3219 [2018-09-18 12:33:34,280 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 [2018-09-18 12:33:34,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2018-09-18 12:33:34,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 3215. [2018-09-18 12:33:34,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-09-18 12:33:34,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5845 transitions. [2018-09-18 12:33:34,495 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5845 transitions. Word has length 57 [2018-09-18 12:33:34,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:33:34,496 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5845 transitions. [2018-09-18 12:33:34,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 12:33:34,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5845 transitions. [2018-09-18 12:33:34,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-18 12:33:34,510 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:33:34,510 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:33:34,510 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:33:34,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1018737494, now seen corresponding path program 1 times [2018-09-18 12:33:34,512 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:33:34,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:33:34,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:33:34,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:33:34,518 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:33:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:33:34,874 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:33:35,263 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:33:35,263 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:33:35,264 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:33:35,264 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:33:35,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:33:35,266 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:33:35,266 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:33:35,267 INFO L87 Difference]: Start difference. First operand 3215 states and 5845 transitions. Second operand 6 states. [2018-09-18 12:34:03,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:34:03,316 INFO L93 Difference]: Finished difference Result 9331 states and 16910 transitions. [2018-09-18 12:34:03,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 12:34:03,318 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-09-18 12:34:03,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:34:03,356 INFO L225 Difference]: With dead ends: 9331 [2018-09-18 12:34:03,357 INFO L226 Difference]: Without dead ends: 6122 [2018-09-18 12:34:03,369 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:34:03,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6122 states. [2018-09-18 12:34:03,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6122 to 6084. [2018-09-18 12:34:03,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6084 states. [2018-09-18 12:34:03,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6084 states to 6084 states and 9616 transitions. [2018-09-18 12:34:03,551 INFO L78 Accepts]: Start accepts. Automaton has 6084 states and 9616 transitions. Word has length 129 [2018-09-18 12:34:03,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:34:03,552 INFO L480 AbstractCegarLoop]: Abstraction has 6084 states and 9616 transitions. [2018-09-18 12:34:03,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:34:03,552 INFO L276 IsEmpty]: Start isEmpty. Operand 6084 states and 9616 transitions. [2018-09-18 12:34:03,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-09-18 12:34:03,566 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:34:03,566 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:34:03,566 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:34:03,567 INFO L82 PathProgramCache]: Analyzing trace with hash -65738260, now seen corresponding path program 1 times [2018-09-18 12:34:03,567 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:34:03,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:34:03,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:34:03,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:34:03,572 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:34:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:34:03,844 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:34:03,844 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:34:03,845 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 12:34:03,845 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:34:03,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 12:34:03,846 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 12:34:03,846 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-18 12:34:03,847 INFO L87 Difference]: Start difference. First operand 6084 states and 9616 transitions. Second operand 6 states. [2018-09-18 12:34:50,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:34:50,543 INFO L93 Difference]: Finished difference Result 24241 states and 39700 transitions. [2018-09-18 12:34:50,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-18 12:34:50,546 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-09-18 12:34:50,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:34:50,635 INFO L225 Difference]: With dead ends: 24241 [2018-09-18 12:34:50,636 INFO L226 Difference]: Without dead ends: 18163 [2018-09-18 12:34:50,674 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-09-18 12:34:50,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18163 states. [2018-09-18 12:34:51,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18163 to 18089. [2018-09-18 12:34:51,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18089 states. [2018-09-18 12:34:51,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18089 states to 18089 states and 25630 transitions. [2018-09-18 12:34:51,129 INFO L78 Accepts]: Start accepts. Automaton has 18089 states and 25630 transitions. Word has length 147 [2018-09-18 12:34:51,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:34:51,130 INFO L480 AbstractCegarLoop]: Abstraction has 18089 states and 25630 transitions. [2018-09-18 12:34:51,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 12:34:51,130 INFO L276 IsEmpty]: Start isEmpty. Operand 18089 states and 25630 transitions. [2018-09-18 12:34:51,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-09-18 12:34:51,142 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:34:51,142 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:34:51,143 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:34:51,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1608287919, now seen corresponding path program 1 times [2018-09-18 12:34:51,143 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:34:51,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:34:51,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:34:51,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:34:51,148 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:34:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:34:51,455 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 12:34:51,456 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 12:34:51,456 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 12:34:51,456 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:34:51,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:34:51,457 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:34:51,457 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 12:34:51,457 INFO L87 Difference]: Start difference. First operand 18089 states and 25630 transitions. Second operand 5 states. [2018-09-18 12:35:20,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:35:20,568 INFO L93 Difference]: Finished difference Result 56344 states and 85034 transitions. [2018-09-18 12:35:20,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:35:20,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 192 [2018-09-18 12:35:20,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:35:20,741 INFO L225 Difference]: With dead ends: 56344 [2018-09-18 12:35:20,741 INFO L226 Difference]: Without dead ends: 38261 [2018-09-18 12:35:20,797 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 12:35:20,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38261 states. [2018-09-18 12:35:21,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38261 to 37187. [2018-09-18 12:35:21,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37187 states. [2018-09-18 12:35:21,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37187 states to 37187 states and 50452 transitions. [2018-09-18 12:35:21,833 INFO L78 Accepts]: Start accepts. Automaton has 37187 states and 50452 transitions. Word has length 192 [2018-09-18 12:35:21,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:35:21,834 INFO L480 AbstractCegarLoop]: Abstraction has 37187 states and 50452 transitions. [2018-09-18 12:35:21,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:35:21,834 INFO L276 IsEmpty]: Start isEmpty. Operand 37187 states and 50452 transitions. [2018-09-18 12:35:21,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-09-18 12:35:21,844 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:35:21,845 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-18 12:35:21,845 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:35:21,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1511439822, now seen corresponding path program 1 times [2018-09-18 12:35:21,845 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:35:21,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:35:21,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:35:21,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:35:21,847 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:35:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:35:22,356 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 100 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 12:35:22,356 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:35:22,357 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:35:22,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:35:22,375 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:35:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:35:22,477 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:35:22,706 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-09-18 12:35:22,707 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:35:23,025 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-18 12:35:23,674 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 100 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 12:35:23,712 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 12:35:23,712 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 9 [2018-09-18 12:35:23,713 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:35:23,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:35:23,714 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:35:23,714 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-09-18 12:35:23,715 INFO L87 Difference]: Start difference. First operand 37187 states and 50452 transitions. Second operand 5 states. [2018-09-18 12:35:45,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:35:45,005 INFO L93 Difference]: Finished difference Result 112883 states and 161410 transitions. [2018-09-18 12:35:45,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:35:45,006 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2018-09-18 12:35:45,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:35:45,347 INFO L225 Difference]: With dead ends: 112883 [2018-09-18 12:35:45,347 INFO L226 Difference]: Without dead ends: 75702 [2018-09-18 12:35:45,418 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 422 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-09-18 12:35:45,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75702 states. [2018-09-18 12:35:46,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75702 to 74090. [2018-09-18 12:35:46,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74090 states. [2018-09-18 12:35:47,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74090 states to 74090 states and 98881 transitions. [2018-09-18 12:35:47,025 INFO L78 Accepts]: Start accepts. Automaton has 74090 states and 98881 transitions. Word has length 212 [2018-09-18 12:35:47,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:35:47,026 INFO L480 AbstractCegarLoop]: Abstraction has 74090 states and 98881 transitions. [2018-09-18 12:35:47,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:35:47,026 INFO L276 IsEmpty]: Start isEmpty. Operand 74090 states and 98881 transitions. [2018-09-18 12:35:47,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-09-18 12:35:47,032 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:35:47,033 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-18 12:35:47,033 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:35:47,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1652261592, now seen corresponding path program 1 times [2018-09-18 12:35:47,033 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:35:47,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:35:47,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:35:47,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:35:47,035 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:35:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:35:47,315 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 12:35:47,716 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 100 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 12:35:47,717 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:35:47,717 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:35:47,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:35:47,734 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:35:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:35:47,839 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:35:48,222 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-09-18 12:35:48,223 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:35:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 100 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 12:35:48,383 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 12:35:48,384 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-09-18 12:35:48,384 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 12:35:48,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 12:35:48,385 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 12:35:48,385 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-09-18 12:35:48,385 INFO L87 Difference]: Start difference. First operand 74090 states and 98881 transitions. Second operand 5 states. [2018-09-18 12:36:16,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 12:36:16,430 INFO L93 Difference]: Finished difference Result 235034 states and 354265 transitions. [2018-09-18 12:36:16,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 12:36:16,432 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 228 [2018-09-18 12:36:16,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 12:36:17,065 INFO L225 Difference]: With dead ends: 235034 [2018-09-18 12:36:17,065 INFO L226 Difference]: Without dead ends: 160950 [2018-09-18 12:36:17,312 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 450 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-09-18 12:36:17,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160950 states. [2018-09-18 12:36:20,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160950 to 159152. [2018-09-18 12:36:20,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159152 states. [2018-09-18 12:36:21,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159152 states to 159152 states and 221505 transitions. [2018-09-18 12:36:21,352 INFO L78 Accepts]: Start accepts. Automaton has 159152 states and 221505 transitions. Word has length 228 [2018-09-18 12:36:21,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 12:36:21,353 INFO L480 AbstractCegarLoop]: Abstraction has 159152 states and 221505 transitions. [2018-09-18 12:36:21,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 12:36:21,353 INFO L276 IsEmpty]: Start isEmpty. Operand 159152 states and 221505 transitions. [2018-09-18 12:36:21,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2018-09-18 12:36:21,371 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 12:36:21,372 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 12:36:21,372 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 12:36:21,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1695043336, now seen corresponding path program 1 times [2018-09-18 12:36:21,373 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 12:36:21,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:36:21,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:36:21,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 12:36:21,374 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 12:36:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:36:21,946 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 252 proven. 69 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-09-18 12:36:21,947 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:36:21,947 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 12:36:21,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:36:21,958 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:36:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:36:22,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:36:22,505 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 336 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-09-18 12:36:22,505 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:36:23,870 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 252 proven. 69 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-09-18 12:36:23,892 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 12:36:23,892 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 12:36:23,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 12:36:23,908 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 12:36:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 12:36:24,197 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 12:36:24,434 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 336 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-09-18 12:36:24,434 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 12:36:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 252 proven. 69 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-09-18 12:36:24,703 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 12:36:24,704 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 16 [2018-09-18 12:36:24,704 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 12:36:24,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-18 12:36:24,705 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-18 12:36:24,705 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2018-09-18 12:36:24,706 INFO L87 Difference]: Start difference. First operand 159152 states and 221505 transitions. Second operand 9 states. Received shutdown request... [2018-09-18 12:36:51,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-09-18 12:36:51,340 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-18 12:36:51,346 WARN L206 ceAbstractionStarter]: Timeout [2018-09-18 12:36:51,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 12:36:51 BoogieIcfgContainer [2018-09-18 12:36:51,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 12:36:51,347 INFO L168 Benchmark]: Toolchain (without parser) took 237286.29 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -675.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-09-18 12:36:51,349 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 12:36:51,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3888.74 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 209.2 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -129.5 MB). Peak memory consumption was 488.5 MB. Max. memory is 7.1 GB. [2018-09-18 12:36:51,350 INFO L168 Benchmark]: Boogie Procedure Inliner took 337.79 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 63.6 MB). Peak memory consumption was 63.6 MB. Max. memory is 7.1 GB. [2018-09-18 12:36:51,351 INFO L168 Benchmark]: Boogie Preprocessor took 1907.30 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 850.9 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -857.3 MB). Peak memory consumption was 127.5 MB. Max. memory is 7.1 GB. [2018-09-18 12:36:51,352 INFO L168 Benchmark]: RCFGBuilder took 17627.25 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 271.6 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 110.6 MB). Peak memory consumption was 999.0 MB. Max. memory is 7.1 GB. [2018-09-18 12:36:51,353 INFO L168 Benchmark]: TraceAbstraction took 213518.35 ms. Allocated memory was 2.9 GB in the beginning and 3.5 GB in the end (delta: 599.3 MB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 137.4 MB). Peak memory consumption was 736.6 MB. Max. memory is 7.1 GB. [2018-09-18 12:36:51,358 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3888.74 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 209.2 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -129.5 MB). Peak memory consumption was 488.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 337.79 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 63.6 MB). Peak memory consumption was 63.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1907.30 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 850.9 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -857.3 MB). Peak memory consumption was 127.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17627.25 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 271.6 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 110.6 MB). Peak memory consumption was 999.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 213518.35 ms. Allocated memory was 2.9 GB in the beginning and 3.5 GB in the end (delta: 599.3 MB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 137.4 MB). Peak memory consumption was 736.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 166]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 166). Cancelled while BasicCegarLoop was constructing difference of abstraction (159152states) and FLOYD_HOARE automaton (currently 51 states, 9 states before enhancement), while ReachableStatesComputation was computing reachable states (147478 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 213.4s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 197.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3877 SDtfs, 43181 SDslu, 5580 SDs, 0 SdLazy, 80408 SolverSat, 17102 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 168.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2829 GetRequests, 2721 SyntacticMatches, 9 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1007 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159152occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 7.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 4600 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 2761 NumberOfCodeBlocks, 2761 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 4090 ConstructedInterpolants, 0 QuantifiedInterpolants, 3076335 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2270 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 2647/3124 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label34_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_12-36-51-378.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label34_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_12-36-51-378.csv Completed graceful shutdown