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-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label26_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 12:24:35,275 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 12:24:35,276 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 12:24:35,289 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 12:24:35,289 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 12:24:35,292 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 12:24:35,294 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 12:24:35,296 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 12:24:35,299 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 12:24:35,299 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 12:24:35,300 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 12:24:35,301 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 12:24:35,303 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 12:24:35,304 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 12:24:35,305 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 12:24:35,305 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 12:24:35,315 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 12:24:35,319 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 12:24:35,321 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 12:24:35,324 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 12:24:35,325 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 12:24:35,326 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 12:24:35,333 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 12:24:35,333 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 12:24:35,333 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 12:24:35,334 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 12:24:35,337 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 12:24:35,338 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 12:24:35,338 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 12:24:35,339 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 12:24:35,340 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 12:24:35,340 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 12:24:35,340 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 12:24:35,344 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 12:24:35,345 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 12:24:35,345 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 12:24:35,346 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-11-07 12:24:35,374 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 12:24:35,374 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 12:24:35,375 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 12:24:35,375 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 12:24:35,375 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 12:24:35,375 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 12:24:35,375 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 12:24:35,376 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 12:24:35,376 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 12:24:35,376 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 12:24:35,376 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 12:24:35,376 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 12:24:35,377 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 12:24:35,377 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 12:24:35,377 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 12:24:35,378 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 12:24:35,378 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 12:24:35,378 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 12:24:35,378 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 12:24:35,378 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 12:24:35,379 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 12:24:35,379 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 12:24:35,379 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 12:24:35,379 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 12:24:35,379 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 12:24:35,380 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 12:24:35,380 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 12:24:35,380 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 12:24:35,380 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 12:24:35,380 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 12:24:35,380 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 12:24:35,381 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 12:24:35,381 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 12:24:35,381 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 12:24:35,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 12:24:35,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 12:24:35,448 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 12:24:35,450 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 12:24:35,450 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 12:24:35,451 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label26_false-unreach-call.c [2018-11-07 12:24:35,518 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eff25ee15/18b13707c03c4734a9b8932523e01c9e/FLAG6badfb553 [2018-11-07 12:24:36,279 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 12:24:36,279 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label26_false-unreach-call.c [2018-11-07 12:24:36,306 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eff25ee15/18b13707c03c4734a9b8932523e01c9e/FLAG6badfb553 [2018-11-07 12:24:36,326 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eff25ee15/18b13707c03c4734a9b8932523e01c9e [2018-11-07 12:24:36,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 12:24:36,341 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 12:24:36,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 12:24:36,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 12:24:36,348 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 12:24:36,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:24:36" (1/1) ... [2018-11-07 12:24:36,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b330f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:24:36, skipping insertion in model container [2018-11-07 12:24:36,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:24:36" (1/1) ... [2018-11-07 12:24:36,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 12:24:36,492 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 12:24:37,645 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 12:24:37,651 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 12:24:38,047 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 12:24:38,071 INFO L193 MainTranslator]: Completed translation [2018-11-07 12:24:38,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:24:38 WrapperNode [2018-11-07 12:24:38,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 12:24:38,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 12:24:38,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 12:24:38,074 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 12:24:38,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:24:38" (1/1) ... [2018-11-07 12:24:38,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:24:38" (1/1) ... [2018-11-07 12:24:38,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 12:24:38,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 12:24:38,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 12:24:38,360 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 12:24:38,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:24:38" (1/1) ... [2018-11-07 12:24:38,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:24:38" (1/1) ... [2018-11-07 12:24:38,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:24:38" (1/1) ... [2018-11-07 12:24:38,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:24:38" (1/1) ... [2018-11-07 12:24:38,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:24:38" (1/1) ... [2018-11-07 12:24:38,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:24:38" (1/1) ... [2018-11-07 12:24:38,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:24:38" (1/1) ... [2018-11-07 12:24:38,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 12:24:38,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 12:24:38,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 12:24:38,578 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 12:24:38,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:24:38" (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 12:24:38,648 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 12:24:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 12:24:38,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 12:24:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 12:24:38,649 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 12:24:38,650 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 12:24:38,650 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 12:24:38,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 12:24:38,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 12:24:38,650 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 12:24:38,651 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 12:24:47,293 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 12:24:47,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:24:47 BoogieIcfgContainer [2018-11-07 12:24:47,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 12:24:47,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 12:24:47,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 12:24:47,300 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 12:24:47,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:24:36" (1/3) ... [2018-11-07 12:24:47,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c004c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:24:47, skipping insertion in model container [2018-11-07 12:24:47,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:24:38" (2/3) ... [2018-11-07 12:24:47,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c004c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:24:47, skipping insertion in model container [2018-11-07 12:24:47,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:24:47" (3/3) ... [2018-11-07 12:24:47,304 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label26_false-unreach-call.c [2018-11-07 12:24:47,315 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 12:24:47,326 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 12:24:47,346 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 12:24:47,400 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 12:24:47,400 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 12:24:47,401 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 12:24:47,401 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 12:24:47,401 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 12:24:47,401 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 12:24:47,401 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 12:24:47,401 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 12:24:47,448 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-11-07 12:24:47,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-07 12:24:47,456 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:24:47,458 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] [2018-11-07 12:24:47,461 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:24:47,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:24:47,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1567486694, now seen corresponding path program 1 times [2018-11-07 12:24:47,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:24:47,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:24:47,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:24:47,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:24:47,520 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:24:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:24:47,968 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 12:24:47,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:24:47,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 12:24:47,972 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:24:47,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 12:24:47,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 12:24:47,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 12:24:48,002 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-11-07 12:24:56,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:24:56,123 INFO L93 Difference]: Finished difference Result 2162 states and 4007 transitions. [2018-11-07 12:24:56,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 12:24:56,134 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2018-11-07 12:24:56,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:24:56,166 INFO L225 Difference]: With dead ends: 2162 [2018-11-07 12:24:56,167 INFO L226 Difference]: Without dead ends: 1552 [2018-11-07 12:24:56,179 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 12:24:56,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2018-11-07 12:24:56,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1525. [2018-11-07 12:24:56,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1525 states. [2018-11-07 12:24:56,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 2696 transitions. [2018-11-07 12:24:56,341 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 2696 transitions. Word has length 35 [2018-11-07 12:24:56,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:24:56,342 INFO L480 AbstractCegarLoop]: Abstraction has 1525 states and 2696 transitions. [2018-11-07 12:24:56,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 12:24:56,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2696 transitions. [2018-11-07 12:24:56,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-07 12:24:56,350 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:24:56,350 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:56,351 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:24:56,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:24:56,351 INFO L82 PathProgramCache]: Analyzing trace with hash -621481607, now seen corresponding path program 1 times [2018-11-07 12:24:56,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:24:56,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:24:56,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:24:56,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:24:56,353 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:24:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:24:56,935 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:24:56,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:24:56,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 12:24:56,935 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:24:56,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 12:24:56,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 12:24:56,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-07 12:24:56,938 INFO L87 Difference]: Start difference. First operand 1525 states and 2696 transitions. Second operand 6 states. [2018-11-07 12:25:07,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:25:07,272 INFO L93 Difference]: Finished difference Result 5785 states and 10669 transitions. [2018-11-07 12:25:07,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 12:25:07,273 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 114 [2018-11-07 12:25:07,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:25:07,308 INFO L225 Difference]: With dead ends: 5785 [2018-11-07 12:25:07,308 INFO L226 Difference]: Without dead ends: 4266 [2018-11-07 12:25:07,328 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-07 12:25:07,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4266 states. [2018-11-07 12:25:07,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4266 to 4239. [2018-11-07 12:25:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4239 states. [2018-11-07 12:25:07,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4239 states to 4239 states and 6345 transitions. [2018-11-07 12:25:07,486 INFO L78 Accepts]: Start accepts. Automaton has 4239 states and 6345 transitions. Word has length 114 [2018-11-07 12:25:07,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:25:07,486 INFO L480 AbstractCegarLoop]: Abstraction has 4239 states and 6345 transitions. [2018-11-07 12:25:07,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 12:25:07,487 INFO L276 IsEmpty]: Start isEmpty. Operand 4239 states and 6345 transitions. [2018-11-07 12:25:07,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-07 12:25:07,499 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:25:07,500 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:07,501 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:25:07,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:25:07,501 INFO L82 PathProgramCache]: Analyzing trace with hash 685304039, now seen corresponding path program 1 times [2018-11-07 12:25:07,501 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:25:07,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:25:07,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:25:07,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:25:07,503 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:25:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:25:07,780 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 12:25:07,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 12:25:07,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 12:25:07,781 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:25:07,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 12:25:07,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 12:25:07,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 12:25:07,783 INFO L87 Difference]: Start difference. First operand 4239 states and 6345 transitions. Second operand 6 states. [2018-11-07 12:25:12,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 12:25:12,906 INFO L93 Difference]: Finished difference Result 12257 states and 20023 transitions. [2018-11-07 12:25:12,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 12:25:12,906 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 115 [2018-11-07 12:25:12,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 12:25:12,968 INFO L225 Difference]: With dead ends: 12257 [2018-11-07 12:25:12,968 INFO L226 Difference]: Without dead ends: 8024 [2018-11-07 12:25:12,994 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 12:25:13,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8024 states. [2018-11-07 12:25:13,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8024 to 7939. [2018-11-07 12:25:13,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7939 states. [2018-11-07 12:25:13,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7939 states to 7939 states and 11949 transitions. [2018-11-07 12:25:13,268 INFO L78 Accepts]: Start accepts. Automaton has 7939 states and 11949 transitions. Word has length 115 [2018-11-07 12:25:13,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 12:25:13,269 INFO L480 AbstractCegarLoop]: Abstraction has 7939 states and 11949 transitions. [2018-11-07 12:25:13,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 12:25:13,269 INFO L276 IsEmpty]: Start isEmpty. Operand 7939 states and 11949 transitions. [2018-11-07 12:25:13,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-07 12:25:13,273 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 12:25:13,273 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, 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] [2018-11-07 12:25:13,274 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 12:25:13,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:25:13,274 INFO L82 PathProgramCache]: Analyzing trace with hash 184143630, now seen corresponding path program 1 times [2018-11-07 12:25:13,274 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 12:25:13,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:25:13,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 12:25:13,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 12:25:13,276 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 12:25:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 12:25:13,542 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 57 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-07 12:25:13,543 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 12:25:13,543 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 12:25:13,545 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-11-07 12:25:13,547 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], [890], [892], [895], [903], [911], [919], [927], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [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] [2018-11-07 12:25:13,613 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 12:25:13,613 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 12:25:14,035 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 12:25:15,420 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 12:25:15,422 INFO L272 AbstractInterpreter]: Visited 87 different actions 248 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-07 12:25:15,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 12:25:15,463 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 12:25:16,491 INFO L227 lantSequenceWeakener]: Weakened 186 states. On average, predicates are now at 75.35% of their original sizes. [2018-11-07 12:25:16,492 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 12:25:16,803 INFO L415 sIntCurrentIteration]: We unified 188 AI predicates to 188 [2018-11-07 12:25:16,803 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 12:25:16,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 12:25:16,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-07 12:25:16,805 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 12:25:16,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 12:25:16,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 12:25:16,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 12:25:16,806 INFO L87 Difference]: Start difference. First operand 7939 states and 11949 transitions. Second operand 11 states. Received shutdown request... [2018-11-07 12:28:46,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-07 12:28:46,323 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 12:28:46,329 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 12:28:46,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:28:46 BoogieIcfgContainer [2018-11-07 12:28:46,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 12:28:46,331 INFO L168 Benchmark]: Toolchain (without parser) took 249991.69 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -501.9 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-11-07 12:28:46,333 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. [2018-11-07 12:28:46,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1729.15 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: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. [2018-11-07 12:28:46,335 INFO L168 Benchmark]: Boogie Procedure Inliner took 285.93 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 786.4 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -969.3 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. [2018-11-07 12:28:46,336 INFO L168 Benchmark]: Boogie Preprocessor took 218.32 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2018-11-07 12:28:46,339 INFO L168 Benchmark]: RCFGBuilder took 8717.25 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 452.9 MB). Peak memory consumption was 452.9 MB. Max. memory is 7.1 GB. [2018-11-07 12:28:46,340 INFO L168 Benchmark]: TraceAbstraction took 239033.32 ms. Allocated memory was 2.3 GB in the beginning and 4.3 GB in the end (delta: 1.9 GB). Free memory was 1.8 GB in the beginning and 1.9 GB in the end (delta: -125.9 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-11-07 12:28:46,348 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 1729.15 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: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 285.93 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 786.4 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -969.3 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 218.32 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8717.25 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 452.9 MB). Peak memory consumption was 452.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 239033.32 ms. Allocated memory was 2.3 GB in the beginning and 4.3 GB in the end (delta: 1.9 GB). Free memory was 1.8 GB in the beginning and 1.9 GB in the end (delta: -125.9 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 92). Cancelled while BasicCegarLoop was constructing difference of abstraction (7939states) and FLOYD_HOARE automaton (currently 13 states, 11 states before enhancement),while ReachableStatesComputation was computing reachable states (2440 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 238.9s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 233.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 836 SDtfs, 6735 SDslu, 1052 SDs, 0 SdLazy, 10156 SolverSat, 2784 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 218.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 221 GetRequests, 188 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7939occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.9s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9964403049925715 AbsIntWeakeningRatio, 0.14361702127659576 AbsIntAvgWeakeningVarsNumRemoved, 21.590425531914892 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 3 MinimizatonAttempts, 139 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 453 NumberOfCodeBlocks, 453 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 449 ConstructedInterpolants, 0 QuantifiedInterpolants, 227189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 182/187 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown