java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-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-df4b876 [2018-11-07 02:58:06,269 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 02:58:06,273 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 02:58:06,289 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 02:58:06,289 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 02:58:06,290 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 02:58:06,291 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 02:58:06,293 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 02:58:06,295 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 02:58:06,296 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 02:58:06,297 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 02:58:06,297 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 02:58:06,298 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 02:58:06,300 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 02:58:06,301 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 02:58:06,307 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 02:58:06,308 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 02:58:06,312 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 02:58:06,319 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 02:58:06,321 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 02:58:06,322 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 02:58:06,325 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 02:58:06,327 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 02:58:06,330 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 02:58:06,331 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 02:58:06,332 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 02:58:06,333 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 02:58:06,333 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 02:58:06,334 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 02:58:06,336 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 02:58:06,336 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 02:58:06,337 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 02:58:06,337 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 02:58:06,337 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 02:58:06,339 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 02:58:06,340 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 02:58:06,341 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 02:58:06,356 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 02:58:06,356 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 02:58:06,357 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 02:58:06,357 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 02:58:06,357 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 02:58:06,358 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 02:58:06,358 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 02:58:06,358 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 02:58:06,358 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 02:58:06,358 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 02:58:06,359 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 02:58:06,359 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 02:58:06,360 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 02:58:06,360 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 02:58:06,360 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 02:58:06,360 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 02:58:06,360 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 02:58:06,360 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 02:58:06,361 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 02:58:06,361 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 02:58:06,361 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 02:58:06,361 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 02:58:06,362 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 02:58:06,362 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 02:58:06,362 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 02:58:06,362 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 02:58:06,362 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 02:58:06,363 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 02:58:06,363 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 02:58:06,363 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 02:58:06,363 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 02:58:06,363 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 02:58:06,364 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 02:58:06,364 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 02:58:06,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 02:58:06,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 02:58:06,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 02:58:06,459 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 02:58:06,459 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 02:58:06,460 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label32_true-unreach-call.c [2018-11-07 02:58:06,529 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ad7704b2/df842125b56048669f1e65e9f7a3a988/FLAG8860775a7 [2018-11-07 02:58:07,168 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 02:58:07,171 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label32_true-unreach-call.c [2018-11-07 02:58:07,192 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ad7704b2/df842125b56048669f1e65e9f7a3a988/FLAG8860775a7 [2018-11-07 02:58:07,212 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ad7704b2/df842125b56048669f1e65e9f7a3a988 [2018-11-07 02:58:07,225 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 02:58:07,227 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 02:58:07,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 02:58:07,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 02:58:07,233 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 02:58:07,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:58:07" (1/1) ... [2018-11-07 02:58:07,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c4e72cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:58:07, skipping insertion in model container [2018-11-07 02:58:07,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:58:07" (1/1) ... [2018-11-07 02:58:07,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 02:58:07,323 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 02:58:07,912 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 02:58:07,917 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 02:58:08,120 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 02:58:08,150 INFO L193 MainTranslator]: Completed translation [2018-11-07 02:58:08,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:58:08 WrapperNode [2018-11-07 02:58:08,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 02:58:08,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 02:58:08,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 02:58:08,153 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 02:58:08,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:58:08" (1/1) ... [2018-11-07 02:58:08,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:58:08" (1/1) ... [2018-11-07 02:58:08,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 02:58:08,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 02:58:08,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 02:58:08,358 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 02:58:08,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:58:08" (1/1) ... [2018-11-07 02:58:08,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:58:08" (1/1) ... [2018-11-07 02:58:08,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:58:08" (1/1) ... [2018-11-07 02:58:08,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:58:08" (1/1) ... [2018-11-07 02:58:08,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:58:08" (1/1) ... [2018-11-07 02:58:08,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:58:08" (1/1) ... [2018-11-07 02:58:08,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:58:08" (1/1) ... [2018-11-07 02:58:08,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 02:58:08,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 02:58:08,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 02:58:08,481 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 02:58:08,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:58:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 02:58:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 02:58:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 02:58:08,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 02:58:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 02:58:08,561 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 02:58:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 02:58:08,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 02:58:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 02:58:08,562 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 02:58:13,387 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 02:58:13,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:58:13 BoogieIcfgContainer [2018-11-07 02:58:13,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 02:58:13,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 02:58:13,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 02:58:13,393 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 02:58:13,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:58:07" (1/3) ... [2018-11-07 02:58:13,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158b152f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:58:13, skipping insertion in model container [2018-11-07 02:58:13,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:58:08" (2/3) ... [2018-11-07 02:58:13,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158b152f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:58:13, skipping insertion in model container [2018-11-07 02:58:13,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:58:13" (3/3) ... [2018-11-07 02:58:13,397 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label32_true-unreach-call.c [2018-11-07 02:58:13,408 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 02:58:13,419 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 02:58:13,438 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 02:58:13,479 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 02:58:13,480 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 02:58:13,480 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 02:58:13,480 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 02:58:13,480 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 02:58:13,480 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 02:58:13,480 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 02:58:13,481 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 02:58:13,513 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-11-07 02:58:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-07 02:58:13,522 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:58:13,523 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] [2018-11-07 02:58:13,526 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:58:13,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:58:13,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1081840209, now seen corresponding path program 1 times [2018-11-07 02:58:13,535 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:58:13,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:58:13,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:58:13,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:58:13,585 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:58:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:58:14,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 02:58:14,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 02:58:14,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 02:58:14,085 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:58:14,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 02:58:14,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 02:58:14,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 02:58:14,119 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2018-11-07 02:58:17,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 02:58:17,331 INFO L93 Difference]: Finished difference Result 982 states and 1758 transitions. [2018-11-07 02:58:17,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 02:58:17,334 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2018-11-07 02:58:17,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 02:58:17,357 INFO L225 Difference]: With dead ends: 982 [2018-11-07 02:58:17,357 INFO L226 Difference]: Without dead ends: 683 [2018-11-07 02:58:17,369 INFO L604 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 [2018-11-07 02:58:17,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2018-11-07 02:58:17,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 683. [2018-11-07 02:58:17,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2018-11-07 02:58:17,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1005 transitions. [2018-11-07 02:58:17,484 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 1005 transitions. Word has length 47 [2018-11-07 02:58:17,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 02:58:17,485 INFO L480 AbstractCegarLoop]: Abstraction has 683 states and 1005 transitions. [2018-11-07 02:58:17,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 02:58:17,486 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1005 transitions. [2018-11-07 02:58:17,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-07 02:58:17,493 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:58:17,494 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] [2018-11-07 02:58:17,494 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:58:17,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:58:17,495 INFO L82 PathProgramCache]: Analyzing trace with hash -498802676, now seen corresponding path program 1 times [2018-11-07 02:58:17,495 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:58:17,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:58:17,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:58:17,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:58:17,497 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:58:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:58:17,805 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 02:58:17,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 02:58:17,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 02:58:17,806 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:58:17,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 02:58:17,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 02:58:17,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 02:58:17,809 INFO L87 Difference]: Start difference. First operand 683 states and 1005 transitions. Second operand 4 states. [2018-11-07 02:58:21,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 02:58:21,718 INFO L93 Difference]: Finished difference Result 2515 states and 3862 transitions. [2018-11-07 02:58:21,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 02:58:21,720 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2018-11-07 02:58:21,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 02:58:21,736 INFO L225 Difference]: With dead ends: 2515 [2018-11-07 02:58:21,737 INFO L226 Difference]: Without dead ends: 1838 [2018-11-07 02:58:21,744 INFO L604 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 [2018-11-07 02:58:21,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2018-11-07 02:58:21,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1820. [2018-11-07 02:58:21,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1820 states. [2018-11-07 02:58:21,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1820 states and 2601 transitions. [2018-11-07 02:58:21,831 INFO L78 Accepts]: Start accepts. Automaton has 1820 states and 2601 transitions. Word has length 121 [2018-11-07 02:58:21,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 02:58:21,833 INFO L480 AbstractCegarLoop]: Abstraction has 1820 states and 2601 transitions. [2018-11-07 02:58:21,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 02:58:21,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1820 states and 2601 transitions. [2018-11-07 02:58:21,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-07 02:58:21,845 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:58:21,847 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] [2018-11-07 02:58:21,847 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:58:21,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:58:21,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1179143583, now seen corresponding path program 1 times [2018-11-07 02:58:21,848 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:58:21,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:58:21,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:58:21,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:58:21,849 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:58:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:58:22,001 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 02:58:22,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 02:58:22,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 02:58:22,002 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:58:22,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 02:58:22,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 02:58:22,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 02:58:22,003 INFO L87 Difference]: Start difference. First operand 1820 states and 2601 transitions. Second operand 5 states. [2018-11-07 02:58:26,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 02:58:26,509 INFO L93 Difference]: Finished difference Result 6437 states and 9598 transitions. [2018-11-07 02:58:26,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 02:58:26,512 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-11-07 02:58:26,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 02:58:26,550 INFO L225 Difference]: With dead ends: 6437 [2018-11-07 02:58:26,550 INFO L226 Difference]: Without dead ends: 4623 [2018-11-07 02:58:26,571 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 02:58:26,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4623 states. [2018-11-07 02:58:26,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4623 to 4403. [2018-11-07 02:58:26,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4403 states. [2018-11-07 02:58:26,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4403 states to 4403 states and 5852 transitions. [2018-11-07 02:58:26,745 INFO L78 Accepts]: Start accepts. Automaton has 4403 states and 5852 transitions. Word has length 134 [2018-11-07 02:58:26,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 02:58:26,746 INFO L480 AbstractCegarLoop]: Abstraction has 4403 states and 5852 transitions. [2018-11-07 02:58:26,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 02:58:26,746 INFO L276 IsEmpty]: Start isEmpty. Operand 4403 states and 5852 transitions. [2018-11-07 02:58:26,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-07 02:58:26,755 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:58:26,755 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] [2018-11-07 02:58:26,756 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:58:26,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:58:26,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1374787125, now seen corresponding path program 1 times [2018-11-07 02:58:26,756 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:58:26,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:58:26,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:58:26,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:58:26,758 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:58:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:58:27,182 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 02:58:27,183 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 02:58:27,183 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 02:58:27,184 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-11-07 02:58:27,186 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] [2018-11-07 02:58:27,268 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 02:58:27,268 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 02:58:31,369 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 02:58:48,361 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 02:58:48,363 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. [2018-11-07 02:58:48,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:58:48,407 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 02:58:51,752 INFO L227 lantSequenceWeakener]: Weakened 19 states. On average, predicates are now at 78.14% of their original sizes. [2018-11-07 02:58:51,753 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 02:59:56,691 INFO L415 sIntCurrentIteration]: We unified 178 AI predicates to 178 [2018-11-07 02:59:56,692 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 02:59:56,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 02:59:56,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [8] total 24 [2018-11-07 02:59:56,693 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:59:56,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 02:59:56,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 02:59:56,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2018-11-07 02:59:56,700 INFO L87 Difference]: Start difference. First operand 4403 states and 5852 transitions. Second operand 18 states. Received shutdown request... [2018-11-07 03:02:19,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 03:02:19,199 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 03:02:19,206 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 03:02:19,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:02:19 BoogieIcfgContainer [2018-11-07 03:02:19,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 03:02:19,207 INFO L168 Benchmark]: Toolchain (without parser) took 251981.33 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 3.7 GB in the end (delta: -2.3 GB). Peak memory consumption was 289.2 MB. Max. memory is 7.1 GB. [2018-11-07 03:02:19,209 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-11-07 03:02:19,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 923.16 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-11-07 03:02:19,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 205.08 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -850.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2018-11-07 03:02:19,211 INFO L168 Benchmark]: Boogie Preprocessor took 123.08 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. [2018-11-07 03:02:19,212 INFO L168 Benchmark]: RCFGBuilder took 4907.17 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: 172.5 MB). Peak memory consumption was 172.5 MB. Max. memory is 7.1 GB. [2018-11-07 03:02:19,213 INFO L168 Benchmark]: TraceAbstraction took 245817.13 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 3.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 161.6 MB. Max. memory is 7.1 GB. [2018-11-07 03:02:19,217 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 923.16 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 205.08 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -850.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.08 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 4907.17 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: 172.5 MB). Peak memory consumption was 172.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 245817.13 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 3.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 161.6 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 (4403states) and FLOYD_HOARE automaton (currently 18 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (1189 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 245.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 154.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 558 SDtfs, 2750 SDslu, 542 SDs, 0 SdLazy, 5047 SolverSat, 1143 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 47.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 207 GetRequests, 117 SyntacticMatches, 55 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 72.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4403occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 21.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9949467926996017 AbsIntWeakeningRatio, 0.12921348314606743 AbsIntAvgWeakeningVarsNumRemoved, 988.4213483146067 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