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/Problem11_label32_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 01:07:09,174 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 01:07:09,177 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 01:07:09,195 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 01:07:09,195 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 01:07:09,197 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 01:07:09,199 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 01:07:09,201 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 01:07:09,204 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 01:07:09,206 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 01:07:09,208 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 01:07:09,209 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 01:07:09,210 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 01:07:09,211 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 01:07:09,219 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 01:07:09,220 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 01:07:09,221 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 01:07:09,223 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 01:07:09,229 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 01:07:09,231 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 01:07:09,232 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 01:07:09,235 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 01:07:09,238 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 01:07:09,238 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 01:07:09,238 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 01:07:09,241 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 01:07:09,242 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 01:07:09,243 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 01:07:09,244 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 01:07:09,245 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 01:07:09,246 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 01:07:09,248 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 01:07:09,248 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 01:07:09,248 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 01:07:09,249 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 01:07:09,251 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 01:07:09,251 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 01:07:09,278 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 01:07:09,278 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 01:07:09,279 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 01:07:09,279 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 01:07:09,279 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 01:07:09,279 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 01:07:09,280 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 01:07:09,280 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 01:07:09,280 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 01:07:09,280 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 01:07:09,280 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 01:07:09,280 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 01:07:09,281 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 01:07:09,281 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 01:07:09,281 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 01:07:09,282 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 01:07:09,282 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 01:07:09,282 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 01:07:09,282 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 01:07:09,282 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 01:07:09,283 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 01:07:09,283 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 01:07:09,283 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 01:07:09,283 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 01:07:09,283 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 01:07:09,284 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 01:07:09,284 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 01:07:09,284 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 01:07:09,284 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 01:07:09,284 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 01:07:09,285 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 01:07:09,285 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 01:07:09,285 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 01:07:09,285 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 01:07:09,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 01:07:09,352 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 01:07:09,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 01:07:09,358 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 01:07:09,359 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 01:07:09,360 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label32_true-unreach-call.c [2018-10-24 01:07:09,435 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/bb663ba5f/59d4da58e1c744c99b909a0879ac9732/FLAGb0ea2ec7a [2018-10-24 01:07:10,035 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 01:07:10,036 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label32_true-unreach-call.c [2018-10-24 01:07:10,057 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/bb663ba5f/59d4da58e1c744c99b909a0879ac9732/FLAGb0ea2ec7a [2018-10-24 01:07:10,074 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/bb663ba5f/59d4da58e1c744c99b909a0879ac9732 [2018-10-24 01:07:10,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 01:07:10,088 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 01:07:10,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 01:07:10,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 01:07:10,092 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 01:07:10,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:07:10" (1/1) ... [2018-10-24 01:07:10,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1597294d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:10, skipping insertion in model container [2018-10-24 01:07:10,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:07:10" (1/1) ... [2018-10-24 01:07:10,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 01:07:10,192 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 01:07:10,791 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:07:10,795 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 01:07:10,977 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:07:10,995 INFO L193 MainTranslator]: Completed translation [2018-10-24 01:07:10,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:10 WrapperNode [2018-10-24 01:07:10,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 01:07:10,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 01:07:10,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 01:07:10,997 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 01:07:11,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:10" (1/1) ... [2018-10-24 01:07:11,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:10" (1/1) ... [2018-10-24 01:07:11,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 01:07:11,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 01:07:11,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 01:07:11,313 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 01:07:11,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:10" (1/1) ... [2018-10-24 01:07:11,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:10" (1/1) ... [2018-10-24 01:07:11,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:10" (1/1) ... [2018-10-24 01:07:11,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:10" (1/1) ... [2018-10-24 01:07:11,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:10" (1/1) ... [2018-10-24 01:07:11,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:10" (1/1) ... [2018-10-24 01:07:11,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:10" (1/1) ... [2018-10-24 01:07:11,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 01:07:11,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 01:07:11,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 01:07:11,477 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 01:07:11,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:10" (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 01:07:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 01:07:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 01:07:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 01:07:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 01:07:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 01:07:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 01:07:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 01:07:11,541 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 01:07:15,876 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 01:07:15,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:07:15 BoogieIcfgContainer [2018-10-24 01:07:15,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 01:07:15,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 01:07:15,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 01:07:15,882 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 01:07:15,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:07:10" (1/3) ... [2018-10-24 01:07:15,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10229b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:07:15, skipping insertion in model container [2018-10-24 01:07:15,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:07:10" (2/3) ... [2018-10-24 01:07:15,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10229b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:07:15, skipping insertion in model container [2018-10-24 01:07:15,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:07:15" (3/3) ... [2018-10-24 01:07:15,886 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label32_true-unreach-call.c [2018-10-24 01:07:15,896 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 01:07:15,910 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 01:07:15,928 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 01:07:15,983 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 01:07:15,984 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 01:07:15,984 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 01:07:15,984 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 01:07:15,985 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 01:07:15,985 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 01:07:15,985 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 01:07:15,985 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 01:07:16,020 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-10-24 01:07:16,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-24 01:07:16,028 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:07:16,029 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] [2018-10-24 01:07:16,031 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:07:16,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:07:16,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1081840209, now seen corresponding path program 1 times [2018-10-24 01:07:16,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:07:16,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:07:16,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:07:16,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:07:16,094 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:07:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:07:16,509 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 01:07:16,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:07:16,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 01:07:16,514 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:07:16,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 01:07:16,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 01:07:16,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:07:16,536 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2018-10-24 01:07:19,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:07:19,884 INFO L93 Difference]: Finished difference Result 982 states and 1758 transitions. [2018-10-24 01:07:19,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 01:07:19,886 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2018-10-24 01:07:19,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:07:19,913 INFO L225 Difference]: With dead ends: 982 [2018-10-24 01:07:19,913 INFO L226 Difference]: Without dead ends: 683 [2018-10-24 01:07:19,924 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 [2018-10-24 01:07:19,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2018-10-24 01:07:20,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 683. [2018-10-24 01:07:20,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2018-10-24 01:07:20,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1005 transitions. [2018-10-24 01:07:20,029 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 1005 transitions. Word has length 47 [2018-10-24 01:07:20,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:07:20,029 INFO L481 AbstractCegarLoop]: Abstraction has 683 states and 1005 transitions. [2018-10-24 01:07:20,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 01:07:20,030 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1005 transitions. [2018-10-24 01:07:20,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-24 01:07:20,037 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:07:20,037 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:20,038 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:07:20,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:07:20,038 INFO L82 PathProgramCache]: Analyzing trace with hash -498802676, now seen corresponding path program 1 times [2018-10-24 01:07:20,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:07:20,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:07:20,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:07:20,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:07:20,040 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:07:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:07:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:07:20,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:07:20,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 01:07:20,295 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:07:20,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 01:07:20,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 01:07:20,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:07:20,299 INFO L87 Difference]: Start difference. First operand 683 states and 1005 transitions. Second operand 4 states. [2018-10-24 01:07:24,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:07:24,223 INFO L93 Difference]: Finished difference Result 2515 states and 3862 transitions. [2018-10-24 01:07:24,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 01:07:24,235 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2018-10-24 01:07:24,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:07:24,250 INFO L225 Difference]: With dead ends: 2515 [2018-10-24 01:07:24,250 INFO L226 Difference]: Without dead ends: 1838 [2018-10-24 01:07:24,258 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:07:24,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2018-10-24 01:07:24,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1820. [2018-10-24 01:07:24,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1820 states. [2018-10-24 01:07:24,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1820 states and 2601 transitions. [2018-10-24 01:07:24,357 INFO L78 Accepts]: Start accepts. Automaton has 1820 states and 2601 transitions. Word has length 121 [2018-10-24 01:07:24,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:07:24,359 INFO L481 AbstractCegarLoop]: Abstraction has 1820 states and 2601 transitions. [2018-10-24 01:07:24,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 01:07:24,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1820 states and 2601 transitions. [2018-10-24 01:07:24,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-24 01:07:24,375 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:07:24,375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:24,376 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:07:24,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:07:24,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1179143583, now seen corresponding path program 1 times [2018-10-24 01:07:24,376 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:07:24,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:07:24,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:07:24,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:07:24,378 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:07:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:07:24,584 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:07:24,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:07:24,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 01:07:24,585 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:07:24,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 01:07:24,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 01:07:24,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 01:07:24,587 INFO L87 Difference]: Start difference. First operand 1820 states and 2601 transitions. Second operand 5 states. [2018-10-24 01:07:29,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:07:29,759 INFO L93 Difference]: Finished difference Result 6439 states and 9608 transitions. [2018-10-24 01:07:29,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 01:07:29,760 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-10-24 01:07:29,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:07:29,802 INFO L225 Difference]: With dead ends: 6439 [2018-10-24 01:07:29,802 INFO L226 Difference]: Without dead ends: 4625 [2018-10-24 01:07:29,822 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 [2018-10-24 01:07:29,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4625 states. [2018-10-24 01:07:29,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4625 to 4405. [2018-10-24 01:07:29,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4405 states. [2018-10-24 01:07:29,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4405 states to 4405 states and 5862 transitions. [2018-10-24 01:07:29,995 INFO L78 Accepts]: Start accepts. Automaton has 4405 states and 5862 transitions. Word has length 134 [2018-10-24 01:07:29,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:07:29,996 INFO L481 AbstractCegarLoop]: Abstraction has 4405 states and 5862 transitions. [2018-10-24 01:07:29,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 01:07:29,996 INFO L276 IsEmpty]: Start isEmpty. Operand 4405 states and 5862 transitions. [2018-10-24 01:07:30,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-24 01:07:30,004 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:07:30,005 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:30,005 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:07:30,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:07:30,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1374787125, now seen corresponding path program 1 times [2018-10-24 01:07:30,005 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:07:30,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:07:30,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:07:30,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:07:30,008 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:07:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:07:30,465 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:07:30,466 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:07:30,466 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:07:30,467 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-10-24 01:07:30,469 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [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], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-24 01:07:30,542 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:07:30,542 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:07:35,225 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:07:51,423 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:07:51,425 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-10-24 01:07:51,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:07:51,475 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:07:54,774 INFO L232 lantSequenceWeakener]: Weakened 19 states. On average, predicates are now at 78.14% of their original sizes. [2018-10-24 01:07:54,774 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:08:55,088 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:08:55,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:08:55,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [8] total 23 [2018-10-24 01:08:55,089 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:08:55,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-24 01:08:55,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-24 01:08:55,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-10-24 01:08:55,090 INFO L87 Difference]: Start difference. First operand 4405 states and 5862 transitions. Second operand 17 states. Received shutdown request... [2018-10-24 01:11:23,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-24 01:11:23,213 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 01:11:23,219 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 01:11:23,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 01:11:23 BoogieIcfgContainer [2018-10-24 01:11:23,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 01:11:23,220 INFO L168 Benchmark]: Toolchain (without parser) took 253132.66 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 591.2 MB. Max. memory is 7.1 GB. [2018-10-24 01:11:23,222 INFO L168 Benchmark]: CDTParser took 0.24 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 01:11:23,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 907.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 7.1 GB. [2018-10-24 01:11:23,223 INFO L168 Benchmark]: Boogie Procedure Inliner took 316.03 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -839.9 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2018-10-24 01:11:23,224 INFO L168 Benchmark]: Boogie Preprocessor took 163.85 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 01:11:23,225 INFO L168 Benchmark]: RCFGBuilder took 4400.32 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 192.3 MB). Peak memory consumption was 192.3 MB. Max. memory is 7.1 GB. [2018-10-24 01:11:23,226 INFO L168 Benchmark]: TraceAbstraction took 247340.77 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 427.7 MB. Max. memory is 7.1 GB. [2018-10-24 01:11:23,231 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 907.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 316.03 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -839.9 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 163.85 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 4400.32 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 192.3 MB). Peak memory consumption was 192.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 247340.77 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 427.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 126). Cancelled while BasicCegarLoop was constructing difference of abstraction (4405states) and FLOYD_HOARE automaton (currently 17 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (1520 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 247.2s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 160.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 558 SDtfs, 2699 SDslu, 542 SDs, 0 SdLazy, 5128 SolverSat, 1153 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 50.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 206 GetRequests, 123 SyntacticMatches, 50 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 65.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4405occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 21.0s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9949467926996017 AbsIntWeakeningRatio, 0.12921348314606743 AbsIntAvgWeakeningVarsNumRemoved, 1052.4831460674156 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 238 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 481 NumberOfCodeBlocks, 481 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 477 ConstructedInterpolants, 0 QuantifiedInterpolants, 286737 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 114/120 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown