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/Problem17_label02_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 22:05:09,400 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 22:05:09,402 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 22:05:09,413 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 22:05:09,414 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 22:05:09,415 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 22:05:09,416 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 22:05:09,418 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 22:05:09,419 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 22:05:09,420 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 22:05:09,421 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 22:05:09,422 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 22:05:09,422 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 22:05:09,423 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 22:05:09,424 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 22:05:09,427 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 22:05:09,428 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 22:05:09,430 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 22:05:09,431 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 22:05:09,433 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 22:05:09,434 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 22:05:09,435 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 22:05:09,438 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 22:05:09,438 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 22:05:09,438 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 22:05:09,439 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 22:05:09,442 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 22:05:09,443 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 22:05:09,443 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 22:05:09,447 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 22:05:09,447 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 22:05:09,448 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 22:05:09,448 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 22:05:09,448 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 22:05:09,452 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 22:05:09,453 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 22:05:09,453 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 22:05:09,474 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 22:05:09,475 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 22:05:09,475 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 22:05:09,476 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 22:05:09,476 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 22:05:09,476 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 22:05:09,476 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 22:05:09,476 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 22:05:09,477 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 22:05:09,477 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 22:05:09,477 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 22:05:09,477 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 22:05:09,481 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 22:05:09,481 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 22:05:09,482 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 22:05:09,482 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 22:05:09,482 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 22:05:09,482 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 22:05:09,482 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 22:05:09,483 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 22:05:09,483 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 22:05:09,483 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 22:05:09,483 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 22:05:09,483 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 22:05:09,484 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 22:05:09,484 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 22:05:09,484 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 22:05:09,485 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 22:05:09,485 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 22:05:09,485 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 22:05:09,485 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 22:05:09,485 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 22:05:09,485 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 22:05:09,486 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 22:05:09,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 22:05:09,554 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 22:05:09,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 22:05:09,560 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 22:05:09,561 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 22:05:09,561 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label02_true-unreach-call.c [2018-10-24 22:05:09,630 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b9f9703d4/c4e17bbb089042fc9177f3b468b149a1/FLAG53ac78084 [2018-10-24 22:05:10,343 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 22:05:10,344 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label02_true-unreach-call.c [2018-10-24 22:05:10,368 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b9f9703d4/c4e17bbb089042fc9177f3b468b149a1/FLAG53ac78084 [2018-10-24 22:05:10,384 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b9f9703d4/c4e17bbb089042fc9177f3b468b149a1 [2018-10-24 22:05:10,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 22:05:10,399 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 22:05:10,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 22:05:10,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 22:05:10,407 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 22:05:10,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:05:10" (1/1) ... [2018-10-24 22:05:10,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26998074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:10, skipping insertion in model container [2018-10-24 22:05:10,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:05:10" (1/1) ... [2018-10-24 22:05:10,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 22:05:10,563 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 22:05:11,546 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:05:11,551 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 22:05:11,956 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:05:11,979 INFO L193 MainTranslator]: Completed translation [2018-10-24 22:05:11,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:11 WrapperNode [2018-10-24 22:05:11,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 22:05:11,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 22:05:11,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 22:05:11,981 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 22:05:11,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:11" (1/1) ... [2018-10-24 22:05:12,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:11" (1/1) ... [2018-10-24 22:05:12,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 22:05:12,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 22:05:12,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 22:05:12,523 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 22:05:12,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:11" (1/1) ... [2018-10-24 22:05:12,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:11" (1/1) ... [2018-10-24 22:05:12,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:11" (1/1) ... [2018-10-24 22:05:12,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:11" (1/1) ... [2018-10-24 22:05:12,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:11" (1/1) ... [2018-10-24 22:05:12,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:11" (1/1) ... [2018-10-24 22:05:12,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:11" (1/1) ... [2018-10-24 22:05:12,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 22:05:12,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 22:05:12,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 22:05:12,823 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 22:05:12,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:11" (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 22:05:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 22:05:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 22:05:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 22:05:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 22:05:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 22:05:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 22:05:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 22:05:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 22:05:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 22:05:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 22:05:24,705 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 22:05:24,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:05:24 BoogieIcfgContainer [2018-10-24 22:05:24,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 22:05:24,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 22:05:24,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 22:05:24,711 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 22:05:24,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:05:10" (1/3) ... [2018-10-24 22:05:24,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbf061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:05:24, skipping insertion in model container [2018-10-24 22:05:24,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:11" (2/3) ... [2018-10-24 22:05:24,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbf061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:05:24, skipping insertion in model container [2018-10-24 22:05:24,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:05:24" (3/3) ... [2018-10-24 22:05:24,715 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label02_true-unreach-call.c [2018-10-24 22:05:24,726 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 22:05:24,735 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 22:05:24,754 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 22:05:24,797 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 22:05:24,798 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 22:05:24,798 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 22:05:24,798 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 22:05:24,798 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 22:05:24,798 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 22:05:24,799 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 22:05:24,799 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 22:05:24,835 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-10-24 22:05:24,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-24 22:05:24,846 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:05:24,847 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] [2018-10-24 22:05:24,849 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:05:24,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:05:24,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1150781316, now seen corresponding path program 1 times [2018-10-24 22:05:24,858 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:05:24,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:05:24,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:05:24,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:05:24,912 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:05:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:05:25,395 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 22:05:25,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:05:25,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 22:05:25,398 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:05:25,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 22:05:25,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 22:05:25,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 22:05:25,424 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-10-24 22:05:37,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:05:37,965 INFO L93 Difference]: Finished difference Result 2162 states and 4007 transitions. [2018-10-24 22:05:37,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 22:05:37,967 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-10-24 22:05:37,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:05:37,999 INFO L225 Difference]: With dead ends: 2162 [2018-10-24 22:05:38,000 INFO L226 Difference]: Without dead ends: 1552 [2018-10-24 22:05:38,011 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 22:05:38,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2018-10-24 22:05:38,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1525. [2018-10-24 22:05:38,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1525 states. [2018-10-24 22:05:38,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 2696 transitions. [2018-10-24 22:05:38,177 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 2696 transitions. Word has length 60 [2018-10-24 22:05:38,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:05:38,178 INFO L481 AbstractCegarLoop]: Abstraction has 1525 states and 2696 transitions. [2018-10-24 22:05:38,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 22:05:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2696 transitions. [2018-10-24 22:05:38,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-24 22:05:38,201 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:05:38,202 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:38,202 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:05:38,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:05:38,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1301087830, now seen corresponding path program 1 times [2018-10-24 22:05:38,203 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:05:38,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:05:38,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:05:38,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:05:38,205 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:05:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:05:38,546 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:05:38,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:05:38,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 22:05:38,547 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:05:38,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 22:05:38,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 22:05:38,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 22:05:38,550 INFO L87 Difference]: Start difference. First operand 1525 states and 2696 transitions. Second operand 6 states. [2018-10-24 22:06:01,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:06:01,389 INFO L93 Difference]: Finished difference Result 5786 states and 10682 transitions. [2018-10-24 22:06:01,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:06:01,391 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-10-24 22:06:01,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:06:01,426 INFO L225 Difference]: With dead ends: 5786 [2018-10-24 22:06:01,427 INFO L226 Difference]: Without dead ends: 4267 [2018-10-24 22:06:01,449 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-24 22:06:01,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4267 states. [2018-10-24 22:06:01,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4267 to 4243. [2018-10-24 22:06:01,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4243 states. [2018-10-24 22:06:01,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 4243 states and 6364 transitions. [2018-10-24 22:06:01,595 INFO L78 Accepts]: Start accepts. Automaton has 4243 states and 6364 transitions. Word has length 139 [2018-10-24 22:06:01,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:06:01,595 INFO L481 AbstractCegarLoop]: Abstraction has 4243 states and 6364 transitions. [2018-10-24 22:06:01,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 22:06:01,596 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 6364 transitions. [2018-10-24 22:06:01,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-24 22:06:01,599 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:06:01,599 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:01,600 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:06:01,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:06:01,600 INFO L82 PathProgramCache]: Analyzing trace with hash 587930970, now seen corresponding path program 1 times [2018-10-24 22:06:01,600 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:06:01,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:06:01,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:06:01,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:06:01,602 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:06:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:06:01,888 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 22:06:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:06:02,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:06:02,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 22:06:02,249 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:06:02,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 22:06:02,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 22:06:02,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 22:06:02,253 INFO L87 Difference]: Start difference. First operand 4243 states and 6364 transitions. Second operand 6 states. [2018-10-24 22:06:08,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:06:08,906 INFO L93 Difference]: Finished difference Result 12712 states and 20714 transitions. [2018-10-24 22:06:08,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:06:08,910 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2018-10-24 22:06:08,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:06:08,986 INFO L225 Difference]: With dead ends: 12712 [2018-10-24 22:06:08,986 INFO L226 Difference]: Without dead ends: 8475 [2018-10-24 22:06:09,020 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 22:06:09,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8475 states. [2018-10-24 22:06:09,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8475 to 8388. [2018-10-24 22:06:09,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8388 states. [2018-10-24 22:06:09,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8388 states to 8388 states and 12570 transitions. [2018-10-24 22:06:09,308 INFO L78 Accepts]: Start accepts. Automaton has 8388 states and 12570 transitions. Word has length 140 [2018-10-24 22:06:09,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:06:09,309 INFO L481 AbstractCegarLoop]: Abstraction has 8388 states and 12570 transitions. [2018-10-24 22:06:09,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 22:06:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 8388 states and 12570 transitions. [2018-10-24 22:06:09,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-24 22:06:09,315 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:06:09,316 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, 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] [2018-10-24 22:06:09,316 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:06:09,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:06:09,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1560360268, now seen corresponding path program 1 times [2018-10-24 22:06:09,317 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:06:09,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:06:09,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:06:09,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:06:09,318 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:06:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:06:09,674 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 22:06:10,043 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 107 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-24 22:06:10,044 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:06:10,044 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 22:06:10,045 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-10-24 22:06:10,047 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [998], [1006], [1014], [1022], [1030], [1038], [1046], [1054], [1062], [1070], [1078], [1086], [1090], [1092], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [1224], [1228], [1232], [1236], [1239], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-24 22:06:10,111 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 22:06:10,111 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 22:06:11,467 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 22:06:32,701 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 22:06:32,703 INFO L272 AbstractInterpreter]: Visited 87 different actions 573 times. Merged at 5 different actions 30 times. Widened at 1 different actions 2 times. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-24 22:06:32,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:06:32,718 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 22:06:36,450 INFO L232 lantSequenceWeakener]: Weakened 15 states. On average, predicates are now at 77.78% of their original sizes. [2018-10-24 22:06:36,452 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 22:07:43,212 INFO L413 sIntCurrentIteration]: We have 213 unified AI predicates [2018-10-24 22:07:43,213 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 22:07:43,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 22:07:43,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [6] total 25 [2018-10-24 22:07:43,214 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:07:43,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-24 22:07:43,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-24 22:07:43,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-10-24 22:07:43,216 INFO L87 Difference]: Start difference. First operand 8388 states and 12570 transitions. Second operand 21 states. Received shutdown request... [2018-10-24 22:09:15,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-24 22:09:15,929 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 22:09:15,934 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 22:09:15,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:09:15 BoogieIcfgContainer [2018-10-24 22:09:15,935 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 22:09:15,935 INFO L168 Benchmark]: Toolchain (without parser) took 245538.56 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -138.7 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-10-24 22:09:15,937 INFO L168 Benchmark]: CDTParser took 0.20 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 22:09:15,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1579.36 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: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-10-24 22:09:15,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 541.64 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 796.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -946.9 MB). Peak memory consumption was 56.2 MB. Max. memory is 7.1 GB. [2018-10-24 22:09:15,939 INFO L168 Benchmark]: Boogie Preprocessor took 299.41 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2018-10-24 22:09:15,940 INFO L168 Benchmark]: RCFGBuilder took 11884.41 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 475.7 MB). Peak memory consumption was 475.7 MB. Max. memory is 7.1 GB. [2018-10-24 22:09:15,941 INFO L168 Benchmark]: TraceAbstraction took 231227.13 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 1.5 GB in the end (delta: 166.4 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-10-24 22:09:15,946 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 1579.36 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: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 541.64 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 796.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -946.9 MB). Peak memory consumption was 56.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 299.41 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11884.41 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 475.7 MB). Peak memory consumption was 475.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 231227.13 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 1.5 GB in the end (delta: 166.4 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 167]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 167). Cancelled while BasicCegarLoop was constructing difference of abstraction (8388states) and FLOYD_HOARE automaton (currently 18 states, 21 states before enhancement),while ReachableStatesComputation was computing reachable states (407 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 231.1s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 134.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 686 SDtfs, 6937 SDslu, 800 SDs, 0 SdLazy, 9438 SolverSat, 3164 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 68.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 250 GetRequests, 165 SyntacticMatches, 39 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 71.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8388occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 22.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9947128927410617 AbsIntWeakeningRatio, 0.1267605633802817 AbsIntAvgWeakeningVarsNumRemoved, 714.6478873239437 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 3 MinimizatonAttempts, 138 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 553 NumberOfCodeBlocks, 553 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 549 ConstructedInterpolants, 0 QuantifiedInterpolants, 286639 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 282/287 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown