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/Problem03_label35_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:42:33,514 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:42:33,516 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:42:33,528 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:42:33,528 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:42:33,530 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:42:33,531 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:42:33,533 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:42:33,535 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:42:33,536 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:42:33,536 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:42:33,537 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:42:33,538 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:42:33,539 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:42:33,540 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:42:33,541 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:42:33,542 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:42:33,544 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:42:33,546 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:42:33,548 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:42:33,549 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:42:33,550 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:42:33,553 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:42:33,553 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:42:33,553 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:42:33,554 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:42:33,555 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:42:33,556 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:42:33,557 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:42:33,558 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:42:33,559 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:42:33,560 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-26 22:42:33,562 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 [2018-10-26 22:42:33,595 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:42:33,595 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:42:33,596 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:42:33,597 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:42:33,597 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:42:33,597 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:42:33,597 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:42:33,598 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:42:33,598 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-26 22:42:33,598 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:42:33,598 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:42:33,598 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:42:33,599 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:42:33,599 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:42:33,599 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:42:33,600 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:42:33,600 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:42:33,600 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:42:33,600 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:42:33,600 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:42:33,601 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:42:33,601 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:42:33,601 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:42:33,601 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:42:33,601 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:42:33,602 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:42:33,602 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:42:33,602 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:42:33,602 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:42:33,602 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:42:33,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:42:33,603 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:42:33,603 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 22:42:33,603 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-26 22:42:33,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:42:33,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:42:33,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:42:33,667 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:42:33,668 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:42:33,669 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label35_false-unreach-call.c [2018-10-26 22:42:33,730 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f5d8aa731/0b164d1b54674ffcae3100bc40633614/FLAG646746dd8 [2018-10-26 22:42:34,398 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:42:34,399 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label35_false-unreach-call.c [2018-10-26 22:42:34,417 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f5d8aa731/0b164d1b54674ffcae3100bc40633614/FLAG646746dd8 [2018-10-26 22:42:34,433 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f5d8aa731/0b164d1b54674ffcae3100bc40633614 [2018-10-26 22:42:34,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:42:34,447 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 22:42:34,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:42:34,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:42:34,452 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:42:34,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:42:34" (1/1) ... [2018-10-26 22:42:34,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d90973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:34, skipping insertion in model container [2018-10-26 22:42:34,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:42:34" (1/1) ... [2018-10-26 22:42:34,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:42:34,562 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:42:35,337 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:42:35,343 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:42:35,617 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:42:35,641 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:42:35,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:35 WrapperNode [2018-10-26 22:42:35,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:42:35,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:42:35,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:42:35,643 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:42:35,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:35" (1/1) ... [2018-10-26 22:42:35,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:35" (1/1) ... [2018-10-26 22:42:36,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:42:36,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:42:36,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:42:36,049 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:42:36,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:35" (1/1) ... [2018-10-26 22:42:36,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:35" (1/1) ... [2018-10-26 22:42:36,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:35" (1/1) ... [2018-10-26 22:42:36,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:35" (1/1) ... [2018-10-26 22:42:36,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:35" (1/1) ... [2018-10-26 22:42:36,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:35" (1/1) ... [2018-10-26 22:42:36,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:35" (1/1) ... [2018-10-26 22:42:36,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:42:36,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:42:36,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:42:36,202 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:42:36,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:35" (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 [2018-10-26 22:42:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:42:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:42:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-26 22:42:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-26 22:42:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:42:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:42:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:42:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:42:41,941 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:42:41,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:42:41 BoogieIcfgContainer [2018-10-26 22:42:41,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:42:41,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:42:41,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:42:41,947 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:42:41,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:42:34" (1/3) ... [2018-10-26 22:42:41,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad1c38d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:42:41, skipping insertion in model container [2018-10-26 22:42:41,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:35" (2/3) ... [2018-10-26 22:42:41,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad1c38d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:42:41, skipping insertion in model container [2018-10-26 22:42:41,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:42:41" (3/3) ... [2018-10-26 22:42:41,952 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label35_false-unreach-call.c [2018-10-26 22:42:41,963 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:42:41,976 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:42:41,995 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:42:42,049 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:42:42,050 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:42:42,050 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:42:42,050 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:42:42,050 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:42:42,050 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:42:42,051 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:42:42,051 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:42:42,099 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-10-26 22:42:42,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-26 22:42:42,124 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:42:42,127 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:42:42,129 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:42:42,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:42:42,138 INFO L82 PathProgramCache]: Analyzing trace with hash 4278633, now seen corresponding path program 1 times [2018-10-26 22:42:42,141 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:42:42,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:42:42,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:42:42,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:42:42,206 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:42:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:42:43,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:42:43,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:42:43,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:42:43,315 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:42:43,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:42:43,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:42:43,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:42:43,343 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 4 states. [2018-10-26 22:42:47,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:42:47,013 INFO L93 Difference]: Finished difference Result 1077 states and 1927 transitions. [2018-10-26 22:42:47,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:42:47,017 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2018-10-26 22:42:47,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:42:47,043 INFO L225 Difference]: With dead ends: 1077 [2018-10-26 22:42:47,043 INFO L226 Difference]: Without dead ends: 759 [2018-10-26 22:42:47,053 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 [2018-10-26 22:42:47,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2018-10-26 22:42:47,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 519. [2018-10-26 22:42:47,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2018-10-26 22:42:47,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 918 transitions. [2018-10-26 22:42:47,170 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 918 transitions. Word has length 152 [2018-10-26 22:42:47,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:42:47,172 INFO L481 AbstractCegarLoop]: Abstraction has 519 states and 918 transitions. [2018-10-26 22:42:47,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:42:47,172 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 918 transitions. [2018-10-26 22:42:47,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 22:42:47,179 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:42:47,179 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:42:47,180 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:42:47,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:42:47,180 INFO L82 PathProgramCache]: Analyzing trace with hash 2112118956, now seen corresponding path program 1 times [2018-10-26 22:42:47,180 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:42:47,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:42:47,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:42:47,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:42:47,182 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:42:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:42:47,732 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:42:47,732 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:42:47,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:42:47,733 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:42:47,736 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:42:47,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:42:47,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:42:47,737 INFO L87 Difference]: Start difference. First operand 519 states and 918 transitions. Second operand 6 states. [2018-10-26 22:42:51,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:42:51,176 INFO L93 Difference]: Finished difference Result 1480 states and 2698 transitions. [2018-10-26 22:42:51,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:42:51,180 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 180 [2018-10-26 22:42:51,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:42:51,191 INFO L225 Difference]: With dead ends: 1480 [2018-10-26 22:42:51,191 INFO L226 Difference]: Without dead ends: 967 [2018-10-26 22:42:51,195 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:42:51,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2018-10-26 22:42:51,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 949. [2018-10-26 22:42:51,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2018-10-26 22:42:51,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1579 transitions. [2018-10-26 22:42:51,249 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1579 transitions. Word has length 180 [2018-10-26 22:42:51,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:42:51,249 INFO L481 AbstractCegarLoop]: Abstraction has 949 states and 1579 transitions. [2018-10-26 22:42:51,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:42:51,250 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1579 transitions. [2018-10-26 22:42:51,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:42:51,256 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:42:51,256 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:42:51,257 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:42:51,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:42:51,257 INFO L82 PathProgramCache]: Analyzing trace with hash -316440838, now seen corresponding path program 1 times [2018-10-26 22:42:51,257 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:42:51,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:42:51,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:42:51,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:42:51,259 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:42:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:42:51,581 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-10-26 22:42:51,647 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:42:51,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:42:51,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:42:51,647 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:42:51,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:42:51,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:42:51,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:42:51,649 INFO L87 Difference]: Start difference. First operand 949 states and 1579 transitions. Second operand 6 states. [2018-10-26 22:42:54,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:42:54,673 INFO L93 Difference]: Finished difference Result 2919 states and 5077 transitions. [2018-10-26 22:42:54,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:42:54,680 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 187 [2018-10-26 22:42:54,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:42:54,714 INFO L225 Difference]: With dead ends: 2919 [2018-10-26 22:42:54,715 INFO L226 Difference]: Without dead ends: 1976 [2018-10-26 22:42:54,726 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:42:54,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1976 states. [2018-10-26 22:42:54,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1976 to 1933. [2018-10-26 22:42:54,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1933 states. [2018-10-26 22:42:54,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1933 states and 3125 transitions. [2018-10-26 22:42:54,833 INFO L78 Accepts]: Start accepts. Automaton has 1933 states and 3125 transitions. Word has length 187 [2018-10-26 22:42:54,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:42:54,834 INFO L481 AbstractCegarLoop]: Abstraction has 1933 states and 3125 transitions. [2018-10-26 22:42:54,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:42:54,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states and 3125 transitions. [2018-10-26 22:42:54,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 22:42:54,845 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:42:54,845 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:42:54,846 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:42:54,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:42:54,846 INFO L82 PathProgramCache]: Analyzing trace with hash 712687713, now seen corresponding path program 1 times [2018-10-26 22:42:54,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:42:54,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:42:54,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:42:54,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:42:54,848 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:42:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:42:55,334 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:42:55,335 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:42:55,335 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:42:55,336 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-10-26 22:42:55,338 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [174], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [677], [679], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-10-26 22:42:55,522 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:42:55,522 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-10-26 22:47:09,712 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-10-26 22:47:09,713 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-10-26 22:47:09,714 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 22:47:09,714 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:47:09,715 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:47:09,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:47:09,734 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-26 22:47:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:47:09,975 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:47:10,022 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-26 22:47:10,223 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:47:10,224 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-26 22:47:10,229 WARN L205 ceAbstractionStarter]: Timeout [2018-10-26 22:47:10,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:47:10 BoogieIcfgContainer [2018-10-26 22:47:10,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:47:10,231 INFO L168 Benchmark]: Toolchain (without parser) took 275784.90 ms. Allocated memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: 1.4 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2018-10-26 22:47:10,232 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-10-26 22:47:10,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1194.05 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. [2018-10-26 22:47:10,233 INFO L168 Benchmark]: Boogie Procedure Inliner took 405.71 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 800.6 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -921.8 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. [2018-10-26 22:47:10,234 INFO L168 Benchmark]: Boogie Preprocessor took 152.41 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2018-10-26 22:47:10,235 INFO L168 Benchmark]: RCFGBuilder took 5741.18 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 255.0 MB). Peak memory consumption was 255.0 MB. Max. memory is 7.1 GB. [2018-10-26 22:47:10,236 INFO L168 Benchmark]: TraceAbstraction took 268286.43 ms. Allocated memory was 2.3 GB in the beginning and 2.9 GB in the end (delta: 562.0 MB). Free memory was 2.0 GB in the beginning and 2.7 GB in the end (delta: -711.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 22:47:10,242 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 1194.05 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 405.71 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 800.6 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -921.8 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 152.41 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5741.18 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 255.0 MB). Peak memory consumption was 255.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 268286.43 ms. Allocated memory was 2.3 GB in the beginning and 2.9 GB in the end (delta: 562.0 MB). Free memory was 2.0 GB in the beginning and 2.7 GB in the end (delta: -711.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1470]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1470). Cancelled while BasicCegarLoop was analyzing trace of length 199 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 7 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 312 locations, 1 error locations. TIMEOUT Result, 268.1s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 10.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 419 SDtfs, 2659 SDslu, 440 SDs, 0 SdLazy, 3610 SolverSat, 1058 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1933occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 254.3s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 301 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 519 NumberOfCodeBlocks, 519 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 516 ConstructedInterpolants, 0 QuantifiedInterpolants, 352051 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 57/57 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown