java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label33_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:01:38,147 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:01:38,149 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:01:38,161 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:01:38,161 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:01:38,162 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:01:38,164 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:01:38,165 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:01:38,167 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:01:38,168 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:01:38,169 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:01:38,169 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:01:38,170 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:01:38,171 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:01:38,180 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:01:38,181 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:01:38,182 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:01:38,184 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:01:38,190 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:01:38,192 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:01:38,193 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:01:38,194 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:01:38,197 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:01:38,197 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:01:38,197 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:01:38,198 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:01:38,199 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:01:38,202 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:01:38,203 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:01:38,204 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:01:38,204 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:01:38,207 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-27 00:01:38,209 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-27 00:01:38,239 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:01:38,239 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:01:38,240 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:01:38,240 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:01:38,241 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:01:38,244 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:01:38,244 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 00:01:38,245 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:01:38,245 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 00:01:38,245 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 00:01:38,245 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 00:01:38,245 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:01:38,247 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:01:38,247 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:01:38,247 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:01:38,247 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:01:38,247 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:01:38,248 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:01:38,249 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:01:38,250 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:01:38,250 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:01:38,250 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:01:38,250 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:01:38,250 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:01:38,251 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:01:38,251 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:01:38,251 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:01:38,252 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:01:38,252 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 00:01:38,252 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:01:38,252 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:01:38,252 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:01:38,252 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 00:01:38,253 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 00:01:38,296 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:01:38,309 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:01:38,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:01:38,315 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:01:38,315 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:01:38,316 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label33_false-unreach-call.c [2018-10-27 00:01:38,385 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/96e0c5be3/0099ae4abfec4ca5acdd4cc0e92cdd14/FLAG3a7d5d557 [2018-10-27 00:01:39,006 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:01:39,007 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label33_false-unreach-call.c [2018-10-27 00:01:39,028 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/96e0c5be3/0099ae4abfec4ca5acdd4cc0e92cdd14/FLAG3a7d5d557 [2018-10-27 00:01:39,047 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/96e0c5be3/0099ae4abfec4ca5acdd4cc0e92cdd14 [2018-10-27 00:01:39,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:01:39,063 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 00:01:39,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:01:39,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:01:39,069 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:01:39,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:01:39" (1/1) ... [2018-10-27 00:01:39,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4acf905a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:01:39, skipping insertion in model container [2018-10-27 00:01:39,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:01:39" (1/1) ... [2018-10-27 00:01:39,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:01:39,188 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:01:40,015 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:01:40,020 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:01:40,337 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:01:40,359 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:01:40,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:01:40 WrapperNode [2018-10-27 00:01:40,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:01:40,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:01:40,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:01:40,362 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:01:40,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:01:40" (1/1) ... [2018-10-27 00:01:40,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:01:40" (1/1) ... [2018-10-27 00:01:40,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:01:40,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:01:40,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:01:40,783 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:01:40,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:01:40" (1/1) ... [2018-10-27 00:01:40,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:01:40" (1/1) ... [2018-10-27 00:01:40,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:01:40" (1/1) ... [2018-10-27 00:01:40,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:01:40" (1/1) ... [2018-10-27 00:01:40,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:01:40" (1/1) ... [2018-10-27 00:01:40,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:01:40" (1/1) ... [2018-10-27 00:01:40,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:01:40" (1/1) ... [2018-10-27 00:01:41,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:01:41,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:01:41,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:01:41,013 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:01:41,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:01:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 00:01:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:01:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:01:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 00:01:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 00:01:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 00:01:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 00:01:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:01:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:01:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:01:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:01:48,357 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:01:48,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:01:48 BoogieIcfgContainer [2018-10-27 00:01:48,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:01:48,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:01:48,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:01:48,370 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:01:48,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:01:39" (1/3) ... [2018-10-27 00:01:48,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6c48af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:01:48, skipping insertion in model container [2018-10-27 00:01:48,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:01:40" (2/3) ... [2018-10-27 00:01:48,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6c48af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:01:48, skipping insertion in model container [2018-10-27 00:01:48,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:01:48" (3/3) ... [2018-10-27 00:01:48,374 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label33_false-unreach-call.c [2018-10-27 00:01:48,382 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:01:48,391 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:01:48,409 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:01:48,450 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:01:48,450 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:01:48,451 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:01:48,451 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:01:48,451 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:01:48,451 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:01:48,451 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:01:48,452 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:01:48,484 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-10-27 00:01:48,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-27 00:01:48,493 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:01:48,494 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:01:48,496 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:01:48,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:01:48,503 INFO L82 PathProgramCache]: Analyzing trace with hash 18376625, now seen corresponding path program 1 times [2018-10-27 00:01:48,506 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:01:48,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:01:48,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:01:48,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:01:48,555 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:01:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:48,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:01:48,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:01:48,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:01:48,951 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:01:48,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:01:48,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:01:48,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:01:48,978 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-10-27 00:01:57,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:01:57,438 INFO L93 Difference]: Finished difference Result 1550 states and 2835 transitions. [2018-10-27 00:01:57,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:01:57,440 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2018-10-27 00:01:57,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:01:57,468 INFO L225 Difference]: With dead ends: 1550 [2018-10-27 00:01:57,468 INFO L226 Difference]: Without dead ends: 1106 [2018-10-27 00:01:57,476 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:01:57,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2018-10-27 00:01:57,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 762. [2018-10-27 00:01:57,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2018-10-27 00:01:57,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1263 transitions. [2018-10-27 00:01:57,580 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1263 transitions. Word has length 29 [2018-10-27 00:01:57,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:01:57,581 INFO L481 AbstractCegarLoop]: Abstraction has 762 states and 1263 transitions. [2018-10-27 00:01:57,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:01:57,581 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1263 transitions. [2018-10-27 00:01:57,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-27 00:01:57,587 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:01:57,588 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:01:57,588 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:01:57,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:01:57,588 INFO L82 PathProgramCache]: Analyzing trace with hash -725356388, now seen corresponding path program 1 times [2018-10-27 00:01:57,589 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:01:57,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:01:57,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:01:57,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:01:57,590 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:01:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:57,968 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:01:57,968 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:01:57,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:01:57,968 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:01:57,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:01:57,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:01:57,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:01:57,971 INFO L87 Difference]: Start difference. First operand 762 states and 1263 transitions. Second operand 5 states. [2018-10-27 00:02:06,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:02:06,373 INFO L93 Difference]: Finished difference Result 2245 states and 3758 transitions. [2018-10-27 00:02:06,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:02:06,375 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2018-10-27 00:02:06,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:02:06,390 INFO L225 Difference]: With dead ends: 2245 [2018-10-27 00:02:06,390 INFO L226 Difference]: Without dead ends: 1489 [2018-10-27 00:02:06,396 INFO L605 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 [2018-10-27 00:02:06,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1489 states. [2018-10-27 00:02:06,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1489 to 1457. [2018-10-27 00:02:06,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1457 states. [2018-10-27 00:02:06,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 2152 transitions. [2018-10-27 00:02:06,491 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 2152 transitions. Word has length 102 [2018-10-27 00:02:06,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:02:06,491 INFO L481 AbstractCegarLoop]: Abstraction has 1457 states and 2152 transitions. [2018-10-27 00:02:06,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:02:06,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2152 transitions. [2018-10-27 00:02:06,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-27 00:02:06,500 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:02:06,503 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:02:06,503 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:02:06,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:02:06,504 INFO L82 PathProgramCache]: Analyzing trace with hash -2080180052, now seen corresponding path program 1 times [2018-10-27 00:02:06,504 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:02:06,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:02:06,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:02:06,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:02:06,505 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:02:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:07,182 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:02:07,182 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:02:07,182 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 00:02:07,183 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 111 with the following transitions: [2018-10-27 00:02:07,185 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-27 00:02:07,252 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 00:02:07,252 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 00:02:08,843 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 00:02:08,845 INFO L272 AbstractInterpreter]: Visited 85 different actions 85 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-27 00:02:08,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:02:08,856 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 00:02:09,919 INFO L227 lantSequenceWeakener]: Weakened 105 states. On average, predicates are now at 77.88% of their original sizes. [2018-10-27 00:02:09,920 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 00:02:10,184 INFO L415 sIntCurrentIteration]: We unified 109 AI predicates to 109 [2018-10-27 00:02:10,184 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 00:02:10,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 00:02:10,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2018-10-27 00:02:10,185 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:02:10,189 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 00:02:10,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 00:02:10,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:02:10,190 INFO L87 Difference]: Start difference. First operand 1457 states and 2152 transitions. Second operand 7 states. [2018-10-27 00:02:12,896 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 00:03:34,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:03:34,028 INFO L93 Difference]: Finished difference Result 3218 states and 4681 transitions. [2018-10-27 00:03:34,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:03:34,028 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 110 [2018-10-27 00:03:34,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:03:34,038 INFO L225 Difference]: With dead ends: 3218 [2018-10-27 00:03:34,038 INFO L226 Difference]: Without dead ends: 1767 [2018-10-27 00:03:34,043 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 110 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:03:34,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2018-10-27 00:03:34,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1765. [2018-10-27 00:03:34,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1765 states. [2018-10-27 00:03:34,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1765 states and 2468 transitions. [2018-10-27 00:03:34,096 INFO L78 Accepts]: Start accepts. Automaton has 1765 states and 2468 transitions. Word has length 110 [2018-10-27 00:03:34,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:03:34,096 INFO L481 AbstractCegarLoop]: Abstraction has 1765 states and 2468 transitions. [2018-10-27 00:03:34,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 00:03:34,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2468 transitions. [2018-10-27 00:03:34,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-10-27 00:03:34,101 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:03:34,101 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 00:03:34,101 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:03:34,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:03:34,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1175706442, now seen corresponding path program 1 times [2018-10-27 00:03:34,102 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:03:34,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:03:34,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:03:34,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:03:34,103 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:03:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:03:34,676 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:03:34,677 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:03:34,677 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 00:03:34,677 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 207 with the following transitions: [2018-10-27 00:03:34,678 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [205], [207], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-27 00:03:34,683 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 00:03:34,683 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 00:03:35,896 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 00:03:40,855 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 00:03:40,855 INFO L272 AbstractInterpreter]: Visited 104 different actions 299 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-27 00:03:40,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:03:40,865 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 00:03:42,643 INFO L227 lantSequenceWeakener]: Weakened 50 states. On average, predicates are now at 79.18% of their original sizes. [2018-10-27 00:03:42,644 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 00:05:06,827 INFO L415 sIntCurrentIteration]: We unified 205 AI predicates to 205 [2018-10-27 00:05:06,827 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 00:05:06,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 00:05:06,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [11] total 28 [2018-10-27 00:05:06,828 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:05:06,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-27 00:05:06,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-27 00:05:06,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2018-10-27 00:05:06,830 INFO L87 Difference]: Start difference. First operand 1765 states and 2468 transitions. Second operand 19 states. Received shutdown request... [2018-10-27 00:05:38,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 00:05:38,463 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 00:05:38,469 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 00:05:38,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:05:38 BoogieIcfgContainer [2018-10-27 00:05:38,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:05:38,470 INFO L168 Benchmark]: Toolchain (without parser) took 239408.40 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -542.8 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-10-27 00:05:38,472 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-10-27 00:05:38,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1296.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2018-10-27 00:05:38,473 INFO L168 Benchmark]: Boogie Procedure Inliner took 421.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 789.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -905.3 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. [2018-10-27 00:05:38,474 INFO L168 Benchmark]: Boogie Preprocessor took 228.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2018-10-27 00:05:38,475 INFO L168 Benchmark]: RCFGBuilder took 7346.18 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 294.4 MB). Peak memory consumption was 294.4 MB. Max. memory is 7.1 GB. [2018-10-27 00:05:38,476 INFO L168 Benchmark]: TraceAbstraction took 230110.15 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -65.8 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-10-27 00:05:38,481 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1296.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 421.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 789.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -905.3 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 228.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7346.18 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 294.4 MB). Peak memory consumption was 294.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 230110.15 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -65.8 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 73). Cancelled while BasicCegarLoop was constructing difference of abstraction (1765states) and FLOYD_HOARE automaton (currently 9 states, 19 states before enhancement),while ReachableStatesComputation was computing reachable states (93 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 230.0s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 132.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 929 SDtfs, 3089 SDslu, 914 SDs, 0 SdLazy, 5442 SolverSat, 1093 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 74.2s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 335 GetRequests, 203 SyntacticMatches, 96 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 619 ImplicationChecksByTransitivity, 86.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1765occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.8s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9935728791655127 AbsIntWeakeningRatio, 0.1464968152866242 AbsIntAvgWeakeningVarsNumRemoved, 512.5923566878981 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 378 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 447 NumberOfCodeBlocks, 447 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 443 ConstructedInterpolants, 0 QuantifiedInterpolants, 480878 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 149/169 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown