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-dace188-m [2018-09-14 18:22:51,859 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 18:22:51,861 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 18:22:51,878 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 18:22:51,879 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 18:22:51,880 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 18:22:51,881 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 18:22:51,883 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 18:22:51,884 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 18:22:51,885 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 18:22:51,886 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 18:22:51,886 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 18:22:51,887 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 18:22:51,888 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 18:22:51,889 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 18:22:51,890 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 18:22:51,891 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 18:22:51,892 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 18:22:51,894 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 18:22:51,896 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 18:22:51,897 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 18:22:51,900 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 18:22:51,905 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-14 18:22:51,915 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 18:22:51,916 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 18:22:51,916 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 18:22:51,917 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 18:22:51,917 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 [2018-09-14 18:22:51,948 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 18:22:51,952 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 18:22:51,952 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 18:22:51,953 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 18:22:51,953 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 18:22:51,953 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 18:22:51,953 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 18:22:51,955 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 18:22:51,955 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 18:22:51,955 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 18:22:51,955 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 18:22:51,956 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 18:22:51,956 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 18:22:51,957 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 18:22:51,957 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 18:22:51,957 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 18:22:51,957 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 18:22:51,957 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 18:22:51,958 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 18:22:51,958 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 18:22:51,958 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 18:22:51,958 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 18:22:51,958 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 18:22:51,959 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 18:22:51,959 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 18:22:51,959 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 18:22:51,959 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 18:22:51,959 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 18:22:51,960 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 18:22:51,960 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 18:22:51,960 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 18:22:51,960 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 18:22:51,960 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 18:22:52,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 18:22:52,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 18:22:52,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 18:22:52,032 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 18:22:52,033 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 18:22:52,034 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label34_true-unreach-call.c [2018-09-14 18:22:52,395 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8b327f29/978020d463d949e9b744ee5136280ac9/FLAG7f83fe180 [2018-09-14 18:22:52,974 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 18:22:52,975 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label34_true-unreach-call.c [2018-09-14 18:22:53,022 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8b327f29/978020d463d949e9b744ee5136280ac9/FLAG7f83fe180 [2018-09-14 18:22:53,043 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8b327f29/978020d463d949e9b744ee5136280ac9 [2018-09-14 18:22:53,057 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 18:22:53,063 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 18:22:53,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 18:22:53,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 18:22:53,073 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 18:22:53,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:22:53" (1/1) ... [2018-09-14 18:22:53,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a2763a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:22:53, skipping insertion in model container [2018-09-14 18:22:53,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:22:53" (1/1) ... [2018-09-14 18:22:53,091 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 18:22:55,131 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:22:55,150 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 18:22:56,167 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:22:57,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:22:57 WrapperNode [2018-09-14 18:22:57,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 18:22:57,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 18:22:57,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 18:22:57,014 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 18:22:57,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:22:57" (1/1) ... [2018-09-14 18:22:57,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:22:57" (1/1) ... [2018-09-14 18:22:57,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 18:22:57,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 18:22:57,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 18:22:57,343 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 18:22:58,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:22:57" (1/1) ... [2018-09-14 18:22:58,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:22:57" (1/1) ... [2018-09-14 18:22:58,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:22:57" (1/1) ... [2018-09-14 18:22:58,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:22:57" (1/1) ... [2018-09-14 18:22:58,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:22:57" (1/1) ... [2018-09-14 18:22:58,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:22:57" (1/1) ... [2018-09-14 18:22:59,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:22:57" (1/1) ... [2018-09-14 18:22:59,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 18:22:59,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 18:22:59,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 18:22:59,127 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 18:22:59,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:22:57" (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 [2018-09-14 18:22:59,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 18:22:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 18:22:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-14 18:22:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-14 18:22:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-14 18:22:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-14 18:22:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-14 18:22:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-14 18:22:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-14 18:22:59,194 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-14 18:22:59,194 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-14 18:22:59,194 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-14 18:22:59,194 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 18:22:59,194 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 18:22:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 18:22:59,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 18:22:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 18:22:59,195 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 18:23:17,245 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 18:23:17,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:23:17 BoogieIcfgContainer [2018-09-14 18:23:17,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 18:23:17,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 18:23:17,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 18:23:17,250 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 18:23:17,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 06:22:53" (1/3) ... [2018-09-14 18:23:17,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea5ca73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:23:17, skipping insertion in model container [2018-09-14 18:23:17,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:22:57" (2/3) ... [2018-09-14 18:23:17,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea5ca73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:23:17, skipping insertion in model container [2018-09-14 18:23:17,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:23:17" (3/3) ... [2018-09-14 18:23:17,254 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label34_true-unreach-call.c [2018-09-14 18:23:17,264 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 18:23:17,276 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 18:23:17,358 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 18:23:17,359 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 18:23:17,359 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 18:23:17,359 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 18:23:17,359 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 18:23:17,359 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 18:23:17,360 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 18:23:17,360 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 18:23:17,360 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 18:23:17,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-14 18:23:17,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-14 18:23:17,430 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:23:17,431 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] [2018-09-14 18:23:17,432 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:23:17,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1059203938, now seen corresponding path program 1 times [2018-09-14 18:23:17,438 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:23:17,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:23:17,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:23:17,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:23:17,490 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:23:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:23:17,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:23:17,890 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:23:17,890 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 18:23:17,891 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:23:17,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:23:17,915 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:23:17,916 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:23:17,919 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-09-14 18:23:33,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:23:33,648 INFO L93 Difference]: Finished difference Result 4999 states and 9420 transitions. [2018-09-14 18:23:33,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:23:33,650 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-09-14 18:23:33,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:23:33,695 INFO L225 Difference]: With dead ends: 4999 [2018-09-14 18:23:33,695 INFO L226 Difference]: Without dead ends: 3219 [2018-09-14 18:23:33,708 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:23:33,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2018-09-14 18:23:33,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 3215. [2018-09-14 18:23:33,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-09-14 18:23:33,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5845 transitions. [2018-09-14 18:23:33,918 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5845 transitions. Word has length 57 [2018-09-14 18:23:33,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:23:33,919 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5845 transitions. [2018-09-14 18:23:33,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:23:33,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5845 transitions. [2018-09-14 18:23:33,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-14 18:23:33,933 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:23:33,933 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] [2018-09-14 18:23:33,934 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:23:33,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1018737494, now seen corresponding path program 1 times [2018-09-14 18:23:33,936 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:23:33,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:23:33,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:23:33,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:23:33,938 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:23:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:23:34,279 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:23:34,676 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:23:34,677 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:23:34,677 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:23:34,677 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:23:34,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:23:34,680 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:23:34,681 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:23:34,681 INFO L87 Difference]: Start difference. First operand 3215 states and 5845 transitions. Second operand 6 states. [2018-09-14 18:24:03,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:24:03,539 INFO L93 Difference]: Finished difference Result 9331 states and 16910 transitions. [2018-09-14 18:24:03,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:24:03,552 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-09-14 18:24:03,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:24:03,591 INFO L225 Difference]: With dead ends: 9331 [2018-09-14 18:24:03,592 INFO L226 Difference]: Without dead ends: 6122 [2018-09-14 18:24:03,604 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:24:03,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6122 states. [2018-09-14 18:24:03,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6122 to 6084. [2018-09-14 18:24:03,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6084 states. [2018-09-14 18:24:03,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6084 states to 6084 states and 9616 transitions. [2018-09-14 18:24:03,778 INFO L78 Accepts]: Start accepts. Automaton has 6084 states and 9616 transitions. Word has length 129 [2018-09-14 18:24:03,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:24:03,779 INFO L480 AbstractCegarLoop]: Abstraction has 6084 states and 9616 transitions. [2018-09-14 18:24:03,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:24:03,779 INFO L276 IsEmpty]: Start isEmpty. Operand 6084 states and 9616 transitions. [2018-09-14 18:24:03,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-09-14 18:24:03,786 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:24:03,786 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] [2018-09-14 18:24:03,786 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:24:03,787 INFO L82 PathProgramCache]: Analyzing trace with hash -65738260, now seen corresponding path program 1 times [2018-09-14 18:24:03,787 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:24:03,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:24:03,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:24:03,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:24:03,788 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:24:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:24:04,155 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:24:04,156 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:24:04,156 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:24:04,156 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:24:04,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:24:04,157 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:24:04,157 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:24:04,157 INFO L87 Difference]: Start difference. First operand 6084 states and 9616 transitions. Second operand 6 states. [2018-09-14 18:24:49,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:24:49,880 INFO L93 Difference]: Finished difference Result 24241 states and 39700 transitions. [2018-09-14 18:24:49,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-14 18:24:49,881 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-09-14 18:24:49,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:24:49,980 INFO L225 Difference]: With dead ends: 24241 [2018-09-14 18:24:49,980 INFO L226 Difference]: Without dead ends: 18163 [2018-09-14 18:24:50,017 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-09-14 18:24:50,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18163 states. [2018-09-14 18:24:50,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18163 to 18089. [2018-09-14 18:24:50,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18089 states. [2018-09-14 18:24:50,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18089 states to 18089 states and 25630 transitions. [2018-09-14 18:24:50,488 INFO L78 Accepts]: Start accepts. Automaton has 18089 states and 25630 transitions. Word has length 147 [2018-09-14 18:24:50,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:24:50,489 INFO L480 AbstractCegarLoop]: Abstraction has 18089 states and 25630 transitions. [2018-09-14 18:24:50,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:24:50,489 INFO L276 IsEmpty]: Start isEmpty. Operand 18089 states and 25630 transitions. [2018-09-14 18:24:50,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-09-14 18:24:50,497 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:24:50,497 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] [2018-09-14 18:24:50,497 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:24:50,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1608287919, now seen corresponding path program 1 times [2018-09-14 18:24:50,498 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:24:50,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:24:50,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:24:50,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:24:50,503 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:24:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:24:50,824 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:24:50,825 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:24:50,825 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-14 18:24:50,825 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:24:50,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:24:50,826 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:24:50,826 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-14 18:24:50,827 INFO L87 Difference]: Start difference. First operand 18089 states and 25630 transitions. Second operand 5 states. [2018-09-14 18:25:18,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:25:18,885 INFO L93 Difference]: Finished difference Result 56344 states and 85030 transitions. [2018-09-14 18:25:18,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:25:18,886 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 192 [2018-09-14 18:25:18,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:25:19,068 INFO L225 Difference]: With dead ends: 56344 [2018-09-14 18:25:19,068 INFO L226 Difference]: Without dead ends: 38261 [2018-09-14 18:25:19,151 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 [2018-09-14 18:25:19,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38261 states. [2018-09-14 18:25:20,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38261 to 37199. [2018-09-14 18:25:20,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37199 states. [2018-09-14 18:25:20,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37199 states to 37199 states and 50464 transitions. [2018-09-14 18:25:20,683 INFO L78 Accepts]: Start accepts. Automaton has 37199 states and 50464 transitions. Word has length 192 [2018-09-14 18:25:20,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:25:20,684 INFO L480 AbstractCegarLoop]: Abstraction has 37199 states and 50464 transitions. [2018-09-14 18:25:20,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 18:25:20,686 INFO L276 IsEmpty]: Start isEmpty. Operand 37199 states and 50464 transitions. [2018-09-14 18:25:20,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-09-14 18:25:20,695 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:25:20,695 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] [2018-09-14 18:25:20,695 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:25:20,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1511439822, now seen corresponding path program 1 times [2018-09-14 18:25:20,696 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:25:20,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:25:20,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:25:20,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:25:20,698 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:25:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:25:21,230 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 100 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:25:21,231 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:25:21,231 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 [2018-09-14 18:25:21,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:25:21,245 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:25:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:25:21,358 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:25:21,569 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-09-14 18:25:21,569 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:25:21,784 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-14 18:25:22,514 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 100 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:25:22,547 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-14 18:25:22,547 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 9 [2018-09-14 18:25:22,547 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:25:22,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:25:22,548 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:25:22,549 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:25:22,549 INFO L87 Difference]: Start difference. First operand 37199 states and 50464 transitions. Second operand 5 states. [2018-09-14 18:25:46,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:25:46,078 INFO L93 Difference]: Finished difference Result 112947 states and 161486 transitions. [2018-09-14 18:25:46,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:25:46,078 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2018-09-14 18:25:46,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:25:46,417 INFO L225 Difference]: With dead ends: 112947 [2018-09-14 18:25:46,417 INFO L226 Difference]: Without dead ends: 75754 [2018-09-14 18:25:46,506 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 [2018-09-14 18:25:46,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75754 states. [2018-09-14 18:25:48,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75754 to 74114. [2018-09-14 18:25:48,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74114 states. [2018-09-14 18:25:48,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74114 states to 74114 states and 98905 transitions. [2018-09-14 18:25:48,999 INFO L78 Accepts]: Start accepts. Automaton has 74114 states and 98905 transitions. Word has length 212 [2018-09-14 18:25:49,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:25:49,000 INFO L480 AbstractCegarLoop]: Abstraction has 74114 states and 98905 transitions. [2018-09-14 18:25:49,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 18:25:49,000 INFO L276 IsEmpty]: Start isEmpty. Operand 74114 states and 98905 transitions. [2018-09-14 18:25:49,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-09-14 18:25:49,006 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:25:49,006 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] [2018-09-14 18:25:49,006 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:25:49,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1652261592, now seen corresponding path program 1 times [2018-09-14 18:25:49,007 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:25:49,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:25:49,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:25:49,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:25:49,008 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:25:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:25:49,273 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:25:49,591 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 100 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:25:49,591 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:25:49,592 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 [2018-09-14 18:25:49,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:25:49,608 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:25:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:25:49,688 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:25:49,836 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-09-14 18:25:49,836 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:25:49,964 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 100 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:25:49,986 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-14 18:25:49,986 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-09-14 18:25:49,986 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:25:49,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:25:49,987 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:25:49,987 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-09-14 18:25:49,988 INFO L87 Difference]: Start difference. First operand 74114 states and 98905 transitions. Second operand 5 states. [2018-09-14 18:26:14,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:26:14,518 INFO L93 Difference]: Finished difference Result 235074 states and 354309 transitions. [2018-09-14 18:26:14,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:26:14,520 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 228 [2018-09-14 18:26:14,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:26:15,162 INFO L225 Difference]: With dead ends: 235074 [2018-09-14 18:26:15,162 INFO L226 Difference]: Without dead ends: 160966 [2018-09-14 18:26:15,413 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 450 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-09-14 18:26:15,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160966 states. [2018-09-14 18:26:18,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160966 to 159168. [2018-09-14 18:26:18,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159168 states. [2018-09-14 18:26:19,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159168 states to 159168 states and 221525 transitions. [2018-09-14 18:26:19,423 INFO L78 Accepts]: Start accepts. Automaton has 159168 states and 221525 transitions. Word has length 228 [2018-09-14 18:26:19,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:26:19,424 INFO L480 AbstractCegarLoop]: Abstraction has 159168 states and 221525 transitions. [2018-09-14 18:26:19,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 18:26:19,424 INFO L276 IsEmpty]: Start isEmpty. Operand 159168 states and 221525 transitions. [2018-09-14 18:26:19,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2018-09-14 18:26:19,438 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:26:19,438 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] [2018-09-14 18:26:19,439 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:26:19,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1695043336, now seen corresponding path program 1 times [2018-09-14 18:26:19,439 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:26:19,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:19,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:19,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:19,440 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:26:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:19,865 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 252 proven. 69 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-09-14 18:26:19,865 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:26:19,866 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 [2018-09-14 18:26:19,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:19,873 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:26:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:20,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:26:20,369 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 336 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-09-14 18:26:20,369 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:26:20,603 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 252 proven. 69 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-09-14 18:26:20,624 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:26:20,624 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 [2018-09-14 18:26:20,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:20,649 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:26:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:20,943 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:26:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 336 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-09-14 18:26:22,233 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:26:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 252 proven. 69 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-09-14 18:26:22,591 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 18:26:22,592 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 16 [2018-09-14 18:26:22,592 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 18:26:22,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-14 18:26:22,593 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-14 18:26:22,594 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2018-09-14 18:26:22,594 INFO L87 Difference]: Start difference. First operand 159168 states and 221525 transitions. Second operand 9 states. Received shutdown request... [2018-09-14 18:26:47,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-09-14 18:26:47,214 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-14 18:26:47,221 WARN L206 ceAbstractionStarter]: Timeout [2018-09-14 18:26:47,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 06:26:47 BoogieIcfgContainer [2018-09-14 18:26:47,222 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 18:26:47,223 INFO L168 Benchmark]: Toolchain (without parser) took 234165.41 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 583.0 MB in the end (delta: 802.5 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-09-14 18:26:47,224 INFO L168 Benchmark]: CDTParser took 0.27 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. [2018-09-14 18:26:47,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3948.64 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 246.4 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -160.7 MB). Peak memory consumption was 488.4 MB. Max. memory is 7.1 GB. [2018-09-14 18:26:47,226 INFO L168 Benchmark]: Boogie Procedure Inliner took 328.36 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 7.1 GB. [2018-09-14 18:26:47,226 INFO L168 Benchmark]: Boogie Preprocessor took 1783.74 ms. Allocated memory was 1.8 GB in the beginning and 2.5 GB in the end (delta: 782.2 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -782.9 MB). Peak memory consumption was 127.6 MB. Max. memory is 7.1 GB. [2018-09-14 18:26:47,227 INFO L168 Benchmark]: RCFGBuilder took 18119.89 ms. Allocated memory was 2.5 GB in the beginning and 2.9 GB in the end (delta: 356.5 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 50.3 MB). Peak memory consumption was 998.9 MB. Max. memory is 7.1 GB. [2018-09-14 18:26:47,228 INFO L168 Benchmark]: TraceAbstraction took 209974.89 ms. Allocated memory was 2.9 GB in the beginning and 3.4 GB in the end (delta: 461.9 MB). Free memory was 2.2 GB in the beginning and 583.0 MB in the end (delta: 1.6 GB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-09-14 18:26:47,234 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 3948.64 ms. Allocated memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: 246.4 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -160.7 MB). Peak memory consumption was 488.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 328.36 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1783.74 ms. Allocated memory was 1.8 GB in the beginning and 2.5 GB in the end (delta: 782.2 MB). Free memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: -782.9 MB). Peak memory consumption was 127.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18119.89 ms. Allocated memory was 2.5 GB in the beginning and 2.9 GB in the end (delta: 356.5 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 50.3 MB). Peak memory consumption was 998.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 209974.89 ms. Allocated memory was 2.9 GB in the beginning and 3.4 GB in the end (delta: 461.9 MB). Free memory was 2.2 GB in the beginning and 583.0 MB in the end (delta: 1.6 GB). Peak memory consumption was 2.1 GB. 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 (159168states) and FLOYD_HOARE automaton (currently 51 states, 9 states before enhancement), while ReachableStatesComputation was computing reachable states (135944 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 209.8s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 192.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3855 SDtfs, 42879 SDslu, 5515 SDs, 0 SdLazy, 79306 SolverSat, 16910 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 165.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2829 GetRequests, 2721 SyntacticMatches, 9 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1007 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159168occurred 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: 8.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 4616 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.4s 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-0-2018-09-14_18-26-47-250.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-0-2018-09-14_18-26-47-250.csv Completed graceful shutdown