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/Problem16_label48_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 01:56:35,047 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 01:56:35,050 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 01:56:35,067 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 01:56:35,068 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 01:56:35,069 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 01:56:35,071 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 01:56:35,074 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 01:56:35,076 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 01:56:35,077 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 01:56:35,085 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 01:56:35,086 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 01:56:35,087 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 01:56:35,088 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 01:56:35,089 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 01:56:35,090 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 01:56:35,091 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 01:56:35,093 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 01:56:35,095 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 01:56:35,096 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 01:56:35,098 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 01:56:35,099 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 01:56:35,101 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 01:56:35,107 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 01:56:35,107 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 01:56:35,108 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 01:56:35,109 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 01:56:35,109 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 [2018-10-24 01:56:35,127 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 01:56:35,127 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 01:56:35,128 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 01:56:35,128 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 01:56:35,129 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 01:56:35,129 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 01:56:35,129 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 01:56:35,129 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 01:56:35,129 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 01:56:35,130 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 01:56:35,130 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 01:56:35,130 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 01:56:35,131 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 01:56:35,131 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 01:56:35,131 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 01:56:35,132 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 01:56:35,132 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 01:56:35,132 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 01:56:35,132 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 01:56:35,132 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 01:56:35,133 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 01:56:35,133 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 01:56:35,133 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 01:56:35,133 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 01:56:35,133 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 01:56:35,134 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 01:56:35,134 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 01:56:35,134 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 01:56:35,134 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 01:56:35,134 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 01:56:35,135 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 01:56:35,135 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 01:56:35,135 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 01:56:35,135 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 01:56:35,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 01:56:35,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 01:56:35,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 01:56:35,202 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 01:56:35,203 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 01:56:35,203 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label48_true-unreach-call.c [2018-10-24 01:56:35,279 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/764ab4093/960df24502d5432487fd15aa537d6a19/FLAGbd232b927 [2018-10-24 01:56:35,963 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 01:56:35,964 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label48_true-unreach-call.c [2018-10-24 01:56:35,984 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/764ab4093/960df24502d5432487fd15aa537d6a19/FLAGbd232b927 [2018-10-24 01:56:36,002 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/764ab4093/960df24502d5432487fd15aa537d6a19 [2018-10-24 01:56:36,013 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 01:56:36,015 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 01:56:36,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 01:56:36,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 01:56:36,021 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 01:56:36,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:56:36" (1/1) ... [2018-10-24 01:56:36,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d607cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:36, skipping insertion in model container [2018-10-24 01:56:36,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:56:36" (1/1) ... [2018-10-24 01:56:36,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 01:56:36,133 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 01:56:36,853 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:56:36,859 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 01:56:37,093 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:56:37,117 INFO L193 MainTranslator]: Completed translation [2018-10-24 01:56:37,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:37 WrapperNode [2018-10-24 01:56:37,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 01:56:37,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 01:56:37,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 01:56:37,119 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 01:56:37,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:37" (1/1) ... [2018-10-24 01:56:37,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:37" (1/1) ... [2018-10-24 01:56:37,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 01:56:37,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 01:56:37,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 01:56:37,490 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 01:56:37,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:37" (1/1) ... [2018-10-24 01:56:37,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:37" (1/1) ... [2018-10-24 01:56:37,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:37" (1/1) ... [2018-10-24 01:56:37,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:37" (1/1) ... [2018-10-24 01:56:37,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:37" (1/1) ... [2018-10-24 01:56:37,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:37" (1/1) ... [2018-10-24 01:56:37,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:37" (1/1) ... [2018-10-24 01:56:37,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 01:56:37,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 01:56:37,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 01:56:37,669 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 01:56:37,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:37" (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 [2018-10-24 01:56:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 01:56:37,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 01:56:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 01:56:37,744 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 01:56:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 01:56:37,744 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 01:56:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 01:56:37,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 01:56:37,745 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 01:56:37,745 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 01:56:43,287 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 01:56:43,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:56:43 BoogieIcfgContainer [2018-10-24 01:56:43,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 01:56:43,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 01:56:43,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 01:56:43,293 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 01:56:43,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:56:36" (1/3) ... [2018-10-24 01:56:43,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1d1847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:56:43, skipping insertion in model container [2018-10-24 01:56:43,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:37" (2/3) ... [2018-10-24 01:56:43,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1d1847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:56:43, skipping insertion in model container [2018-10-24 01:56:43,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:56:43" (3/3) ... [2018-10-24 01:56:43,297 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label48_true-unreach-call.c [2018-10-24 01:56:43,307 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 01:56:43,317 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 01:56:43,335 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 01:56:43,377 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 01:56:43,378 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 01:56:43,378 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 01:56:43,378 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 01:56:43,378 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 01:56:43,379 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 01:56:43,379 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 01:56:43,379 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 01:56:43,413 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-10-24 01:56:43,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-24 01:56:43,426 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:56:43,427 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 01:56:43,430 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:56:43,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:56:43,436 INFO L82 PathProgramCache]: Analyzing trace with hash -198715549, now seen corresponding path program 1 times [2018-10-24 01:56:43,439 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:56:43,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:56:43,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:56:43,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:56:43,500 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:56:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:56:44,035 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:56:44,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:56:44,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:56:44,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 01:56:44,203 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:56:44,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 01:56:44,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 01:56:44,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 01:56:44,229 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-10-24 01:56:48,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:56:48,034 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-10-24 01:56:48,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 01:56:48,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-10-24 01:56:48,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:56:48,061 INFO L225 Difference]: With dead ends: 1156 [2018-10-24 01:56:48,062 INFO L226 Difference]: Without dead ends: 744 [2018-10-24 01:56:48,072 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 01:56:48,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-10-24 01:56:48,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-10-24 01:56:48,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-10-24 01:56:48,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1355 transitions. [2018-10-24 01:56:48,190 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1355 transitions. Word has length 71 [2018-10-24 01:56:48,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:56:48,192 INFO L481 AbstractCegarLoop]: Abstraction has 744 states and 1355 transitions. [2018-10-24 01:56:48,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 01:56:48,192 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1355 transitions. [2018-10-24 01:56:48,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-24 01:56:48,201 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:56:48,201 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 01:56:48,202 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:56:48,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:56:48,202 INFO L82 PathProgramCache]: Analyzing trace with hash 914893272, now seen corresponding path program 1 times [2018-10-24 01:56:48,203 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:56:48,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:56:48,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:56:48,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:56:48,204 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:56:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:56:48,505 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:56:48,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:56:48,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 01:56:48,507 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:56:48,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 01:56:48,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 01:56:48,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 01:56:48,510 INFO L87 Difference]: Start difference. First operand 744 states and 1355 transitions. Second operand 5 states. [2018-10-24 01:56:53,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:56:53,937 INFO L93 Difference]: Finished difference Result 2189 states and 4061 transitions. [2018-10-24 01:56:53,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:56:53,940 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2018-10-24 01:56:53,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:56:53,952 INFO L225 Difference]: With dead ends: 2189 [2018-10-24 01:56:53,952 INFO L226 Difference]: Without dead ends: 1451 [2018-10-24 01:56:53,956 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 01:56:53,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2018-10-24 01:56:54,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1441. [2018-10-24 01:56:54,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1441 states. [2018-10-24 01:56:54,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2402 transitions. [2018-10-24 01:56:54,019 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2402 transitions. Word has length 143 [2018-10-24 01:56:54,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:56:54,020 INFO L481 AbstractCegarLoop]: Abstraction has 1441 states and 2402 transitions. [2018-10-24 01:56:54,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 01:56:54,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2402 transitions. [2018-10-24 01:56:54,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-24 01:56:54,024 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:56:54,025 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 01:56:54,025 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:56:54,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:56:54,025 INFO L82 PathProgramCache]: Analyzing trace with hash -916712231, now seen corresponding path program 1 times [2018-10-24 01:56:54,026 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:56:54,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:56:54,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:56:54,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:56:54,027 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:56:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:56:54,311 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-24 01:56:54,312 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:56:54,312 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:56:54,313 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-10-24 01:56:54,316 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [647], [649], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-10-24 01:56:54,380 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:56:54,380 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:56:56,833 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:56:56,863 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:56:56,864 INFO L272 AbstractInterpreter]: Visited 105 different actions 105 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 01:56:56,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:56:56,875 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:56:58,401 INFO L232 lantSequenceWeakener]: Weakened 167 states. On average, predicates are now at 78.8% of their original sizes. [2018-10-24 01:56:58,401 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:56:58,770 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:56:58,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:56:58,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2018-10-24 01:56:58,772 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:56:58,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 01:56:58,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 01:56:58,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 01:56:58,774 INFO L87 Difference]: Start difference. First operand 1441 states and 2402 transitions. Second operand 7 states. [2018-10-24 01:57:52,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:57:52,815 INFO L93 Difference]: Finished difference Result 3216 states and 5295 transitions. [2018-10-24 01:57:52,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:57:52,815 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 172 [2018-10-24 01:57:52,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:57:52,826 INFO L225 Difference]: With dead ends: 3216 [2018-10-24 01:57:52,826 INFO L226 Difference]: Without dead ends: 1781 [2018-10-24 01:57:52,832 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 172 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-24 01:57:52,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2018-10-24 01:57:52,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1779. [2018-10-24 01:57:52,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1779 states. [2018-10-24 01:57:52,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2747 transitions. [2018-10-24 01:57:52,890 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2747 transitions. Word has length 172 [2018-10-24 01:57:52,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:57:52,891 INFO L481 AbstractCegarLoop]: Abstraction has 1779 states and 2747 transitions. [2018-10-24 01:57:52,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 01:57:52,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2747 transitions. [2018-10-24 01:57:52,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-10-24 01:57:52,896 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:57:52,897 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, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 01:57:52,897 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:57:52,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:57:52,898 INFO L82 PathProgramCache]: Analyzing trace with hash -2071363300, now seen corresponding path program 1 times [2018-10-24 01:57:52,898 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:57:52,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:57:52,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:57:52,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:57:52,899 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:57:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:57:53,273 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 195 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:57:53,274 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:57:53,274 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:57:53,274 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 265 with the following transitions: [2018-10-24 01:57:53,274 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [647], [649], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-10-24 01:57:53,279 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:57:53,280 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:57:54,531 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:58:04,208 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:58:04,209 INFO L272 AbstractInterpreter]: Visited 109 different actions 417 times. Merged at 5 different actions 14 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 01:58:04,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:58:04,216 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:58:07,185 INFO L232 lantSequenceWeakener]: Weakened 111 states. On average, predicates are now at 79.03% of their original sizes. [2018-10-24 01:58:07,186 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:59:32,896 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:59:32,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:59:32,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [7] total 22 [2018-10-24 01:59:32,897 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:59:32,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-24 01:59:32,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-24 01:59:32,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-10-24 01:59:32,899 INFO L87 Difference]: Start difference. First operand 1779 states and 2747 transitions. Second operand 17 states. Received shutdown request... [2018-10-24 02:00:36,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-24 02:00:36,507 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 02:00:36,512 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 02:00:36,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:00:36 BoogieIcfgContainer [2018-10-24 02:00:36,513 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 02:00:36,514 INFO L168 Benchmark]: Toolchain (without parser) took 240499.83 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 250.9 MB. Max. memory is 7.1 GB. [2018-10-24 02:00:36,515 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. [2018-10-24 02:00:36,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1102.05 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-10-24 02:00:36,516 INFO L168 Benchmark]: Boogie Procedure Inliner took 370.21 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -865.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2018-10-24 02:00:36,518 INFO L168 Benchmark]: Boogie Preprocessor took 179.03 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2018-10-24 02:00:36,519 INFO L168 Benchmark]: RCFGBuilder took 5619.16 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: 255.7 MB). Peak memory consumption was 255.7 MB. Max. memory is 7.1 GB. [2018-10-24 02:00:36,520 INFO L168 Benchmark]: TraceAbstraction took 233224.09 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.6 GB). Free memory was 1.9 GB in the beginning and 3.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2018-10-24 02:00:36,528 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 1102.05 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 370.21 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -865.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 179.03 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5619.16 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: 255.7 MB). Peak memory consumption was 255.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 233224.09 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.6 GB). Free memory was 1.9 GB in the beginning and 3.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 199]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 199). Cancelled while BasicCegarLoop was constructing difference of abstraction (1779states) and FLOYD_HOARE automaton (currently 16 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (397 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 233.1s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 126.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 660 SDtfs, 3740 SDslu, 468 SDs, 0 SdLazy, 4709 SolverSat, 1323 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 54.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 456 GetRequests, 281 SyntacticMatches, 140 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 770 ImplicationChecksByTransitivity, 88.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1779occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 13.5s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9953499632672143 AbsIntWeakeningRatio, 0.10599078341013825 AbsIntAvgWeakeningVarsNumRemoved, 370.45391705069125 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 650 NumberOfCodeBlocks, 650 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 646 ConstructedInterpolants, 0 QuantifiedInterpolants, 490578 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 263/348 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown