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/Problem13_label30_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:48:07,382 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:48:07,389 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:48:07,403 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:48:07,403 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:48:07,404 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:48:07,406 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:48:07,410 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:48:07,412 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:48:07,413 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:48:07,414 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:48:07,415 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:48:07,417 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:48:07,420 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:48:07,422 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:48:07,429 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:48:07,430 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:48:07,434 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:48:07,437 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:48:07,439 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:48:07,442 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:48:07,443 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:48:07,446 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:48:07,446 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:48:07,447 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:48:07,448 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:48:07,449 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:48:07,450 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:48:07,450 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:48:07,452 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:48:07,453 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:48:07,453 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:48:07,454 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:48:07,455 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:48:07,457 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:48:07,458 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:48:07,458 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 23:48:07,490 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:48:07,491 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:48:07,492 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:48:07,492 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 23:48:07,492 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 23:48:07,492 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 23:48:07,493 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 23:48:07,493 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 23:48:07,493 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-26 23:48:07,493 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 23:48:07,493 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 23:48:07,494 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 23:48:07,495 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:48:07,495 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:48:07,496 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:48:07,496 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:48:07,496 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:48:07,496 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:48:07,496 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:48:07,496 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:48:07,498 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:48:07,499 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:48:07,499 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:48:07,499 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:48:07,499 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:48:07,500 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:48:07,500 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:48:07,500 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:48:07,500 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 23:48:07,500 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:48:07,500 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:48:07,501 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 23:48:07,501 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 23:48:07,501 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-26 23:48:07,548 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:48:07,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:48:07,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:48:07,571 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:48:07,571 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:48:07,572 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label30_false-unreach-call.c [2018-10-26 23:48:07,649 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f9eb3647b/cf8097f98bbc4a48a665a9561533aa06/FLAG4ac283324 [2018-10-26 23:48:08,407 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:48:08,408 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label30_false-unreach-call.c [2018-10-26 23:48:08,452 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f9eb3647b/cf8097f98bbc4a48a665a9561533aa06/FLAG4ac283324 [2018-10-26 23:48:08,470 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f9eb3647b/cf8097f98bbc4a48a665a9561533aa06 [2018-10-26 23:48:08,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:48:08,484 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 23:48:08,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:48:08,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:48:08,491 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:48:08,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:48:08" (1/1) ... [2018-10-26 23:48:08,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ddff4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:48:08, skipping insertion in model container [2018-10-26 23:48:08,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:48:08" (1/1) ... [2018-10-26 23:48:08,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:48:08,689 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:48:10,425 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:48:10,432 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:48:11,184 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:48:11,222 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:48:11,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:48:11 WrapperNode [2018-10-26 23:48:11,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:48:11,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:48:11,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:48:11,225 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:48:11,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:48:11" (1/1) ... [2018-10-26 23:48:11,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:48:11" (1/1) ... [2018-10-26 23:48:11,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:48:11,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:48:11,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:48:11,875 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:48:11,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:48:11" (1/1) ... [2018-10-26 23:48:11,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:48:11" (1/1) ... [2018-10-26 23:48:11,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:48:11" (1/1) ... [2018-10-26 23:48:11,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:48:11" (1/1) ... [2018-10-26 23:48:12,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:48:11" (1/1) ... [2018-10-26 23:48:12,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:48:11" (1/1) ... [2018-10-26 23:48:12,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:48:11" (1/1) ... [2018-10-26 23:48:12,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:48:12,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:48:12,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:48:12,218 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:48:12,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:48:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:48:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:48:12,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:48:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-26 23:48:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-26 23:48:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-26 23:48:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-26 23:48:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-26 23:48:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-26 23:48:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-26 23:48:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-26 23:48:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:48:12,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:48:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:48:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:48:23,842 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:48:23,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:48:23 BoogieIcfgContainer [2018-10-26 23:48:23,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:48:23,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:48:23,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:48:23,848 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:48:23,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:48:08" (1/3) ... [2018-10-26 23:48:23,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6d5e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:48:23, skipping insertion in model container [2018-10-26 23:48:23,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:48:11" (2/3) ... [2018-10-26 23:48:23,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6d5e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:48:23, skipping insertion in model container [2018-10-26 23:48:23,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:48:23" (3/3) ... [2018-10-26 23:48:23,852 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label30_false-unreach-call.c [2018-10-26 23:48:23,862 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:48:23,873 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 23:48:23,891 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 23:48:23,941 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:48:23,941 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:48:23,941 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:48:23,941 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:48:23,942 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:48:23,942 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:48:23,942 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:48:23,942 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:48:23,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-10-26 23:48:23,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 23:48:23,995 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:48:23,996 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] [2018-10-26 23:48:23,998 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:48:24,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:48:24,004 INFO L82 PathProgramCache]: Analyzing trace with hash 117345268, now seen corresponding path program 1 times [2018-10-26 23:48:24,006 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:48:24,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:48:24,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:48:24,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:48:24,063 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:48:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:48:24,447 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-26 23:48:24,540 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 23:48:24,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:48:24,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:48:24,546 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:48:24,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:48:24,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:48:24,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:48:24,573 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-10-26 23:48:36,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:48:36,930 INFO L93 Difference]: Finished difference Result 3105 states and 5730 transitions. [2018-10-26 23:48:36,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:48:36,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-10-26 23:48:36,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:48:36,971 INFO L225 Difference]: With dead ends: 3105 [2018-10-26 23:48:36,971 INFO L226 Difference]: Without dead ends: 1983 [2018-10-26 23:48:36,987 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:48:37,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2018-10-26 23:48:37,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1966. [2018-10-26 23:48:37,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1966 states. [2018-10-26 23:48:37,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 3516 transitions. [2018-10-26 23:48:37,159 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 3516 transitions. Word has length 26 [2018-10-26 23:48:37,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:48:37,160 INFO L481 AbstractCegarLoop]: Abstraction has 1966 states and 3516 transitions. [2018-10-26 23:48:37,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:48:37,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 3516 transitions. [2018-10-26 23:48:37,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 23:48:37,166 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:48:37,167 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 23:48:37,167 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:48:37,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:48:37,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1195809616, now seen corresponding path program 1 times [2018-10-26 23:48:37,168 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:48:37,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:48:37,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:48:37,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:48:37,169 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:48:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:48:37,688 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:48:37,688 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:48:37,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 23:48:37,689 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:48:37,692 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 23:48:37,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 23:48:37,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:48:37,693 INFO L87 Difference]: Start difference. First operand 1966 states and 3516 transitions. Second operand 5 states. [2018-10-26 23:48:51,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:48:51,268 INFO L93 Difference]: Finished difference Result 5647 states and 10296 transitions. [2018-10-26 23:48:51,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 23:48:51,269 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 96 [2018-10-26 23:48:51,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:48:51,293 INFO L225 Difference]: With dead ends: 5647 [2018-10-26 23:48:51,294 INFO L226 Difference]: Without dead ends: 3687 [2018-10-26 23:48:51,301 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-26 23:48:51,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3687 states. [2018-10-26 23:48:51,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3687 to 3655. [2018-10-26 23:48:51,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3655 states. [2018-10-26 23:48:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3655 states to 3655 states and 5961 transitions. [2018-10-26 23:48:51,414 INFO L78 Accepts]: Start accepts. Automaton has 3655 states and 5961 transitions. Word has length 96 [2018-10-26 23:48:51,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:48:51,415 INFO L481 AbstractCegarLoop]: Abstraction has 3655 states and 5961 transitions. [2018-10-26 23:48:51,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 23:48:51,415 INFO L276 IsEmpty]: Start isEmpty. Operand 3655 states and 5961 transitions. [2018-10-26 23:48:51,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-26 23:48:51,420 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:48:51,422 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 23:48:51,423 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:48:51,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:48:51,424 INFO L82 PathProgramCache]: Analyzing trace with hash 542597100, now seen corresponding path program 1 times [2018-10-26 23:48:51,424 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:48:51,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:48:51,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:48:51,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:48:51,426 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:48:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:48:51,644 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:48:51,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:48:51,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 23:48:51,645 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:48:51,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 23:48:51,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 23:48:51,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:48:51,646 INFO L87 Difference]: Start difference. First operand 3655 states and 5961 transitions. Second operand 5 states. [2018-10-26 23:49:05,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:49:05,231 INFO L93 Difference]: Finished difference Result 10942 states and 18369 transitions. [2018-10-26 23:49:05,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 23:49:05,232 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2018-10-26 23:49:05,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:49:05,272 INFO L225 Difference]: With dead ends: 10942 [2018-10-26 23:49:05,273 INFO L226 Difference]: Without dead ends: 7293 [2018-10-26 23:49:05,288 INFO L605 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 [2018-10-26 23:49:05,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7293 states. [2018-10-26 23:49:05,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7293 to 7135. [2018-10-26 23:49:05,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7135 states. [2018-10-26 23:49:05,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7135 states to 7135 states and 10861 transitions. [2018-10-26 23:49:05,487 INFO L78 Accepts]: Start accepts. Automaton has 7135 states and 10861 transitions. Word has length 98 [2018-10-26 23:49:05,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:49:05,489 INFO L481 AbstractCegarLoop]: Abstraction has 7135 states and 10861 transitions. [2018-10-26 23:49:05,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 23:49:05,489 INFO L276 IsEmpty]: Start isEmpty. Operand 7135 states and 10861 transitions. [2018-10-26 23:49:05,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 23:49:05,491 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:49:05,492 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 23:49:05,492 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:49:05,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:49:05,492 INFO L82 PathProgramCache]: Analyzing trace with hash -293144288, now seen corresponding path program 1 times [2018-10-26 23:49:05,493 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:49:05,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:49:05,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:49:05,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:49:05,501 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:49:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:05,732 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:49:05,732 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:49:05,732 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 23:49:05,733 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 121 with the following transitions: [2018-10-26 23:49:05,735 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2735], [2737], [2740], [2748], [2756], [2764], [2772], [2780], [2788], [2796], [2804], [2812], [2820], [2828], [2836], [2844], [2852], [2860], [2868], [2876], [2884], [2892], [2900], [2908], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3237], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-10-26 23:49:05,807 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 23:49:05,808 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 23:49:09,964 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 23:49:09,966 INFO L272 AbstractInterpreter]: Visited 98 different actions 98 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-26 23:49:10,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:49:10,000 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 23:49:12,520 INFO L227 lantSequenceWeakener]: Weakened 105 states. On average, predicates are now at 71.64% of their original sizes. [2018-10-26 23:49:12,520 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 23:49:13,888 INFO L415 sIntCurrentIteration]: We unified 119 AI predicates to 119 [2018-10-26 23:49:13,889 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 23:49:13,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 23:49:13,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-10-26 23:49:13,890 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:49:13,890 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 23:49:13,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 23:49:13,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-10-26 23:49:13,891 INFO L87 Difference]: Start difference. First operand 7135 states and 10861 transitions. Second operand 10 states. [2018-10-26 23:49:44,240 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-26 23:51:49,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 23:51:49,554 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-26 23:51:49,559 WARN L205 ceAbstractionStarter]: Timeout [2018-10-26 23:51:49,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:51:49 BoogieIcfgContainer [2018-10-26 23:51:49,560 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:51:49,560 INFO L168 Benchmark]: Toolchain (without parser) took 221077.26 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -585.1 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-10-26 23:51:49,562 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 23:51:49,562 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2738.04 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-10-26 23:51:49,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 650.11 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 806.4 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2018-10-26 23:51:49,564 INFO L168 Benchmark]: Boogie Preprocessor took 341.93 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. [2018-10-26 23:51:49,565 INFO L168 Benchmark]: RCFGBuilder took 11625.97 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 191.9 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 2.0 MB). Peak memory consumption was 663.2 MB. Max. memory is 7.1 GB. [2018-10-26 23:51:49,566 INFO L168 Benchmark]: TraceAbstraction took 205715.79 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 194.0 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-10-26 23:51:49,572 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2738.04 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 650.11 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 806.4 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 341.93 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11625.97 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 191.9 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 2.0 MB). Peak memory consumption was 663.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 205715.79 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 194.0 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 69). Cancelled while BasicCegarLoop was constructing difference of abstraction (7135states) and FLOYD_HOARE automaton (currently 9 states, 10 states before enhancement),while ReachableStatesComputation was computing reachable states (3595 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 205.6s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 195.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1646 SDtfs, 8954 SDslu, 1470 SDs, 0 SdLazy, 13656 SolverSat, 3842 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 140.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 146 GetRequests, 119 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7135occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9931738849385909 AbsIntWeakeningRatio, 0.17647058823529413 AbsIntAvgWeakeningVarsNumRemoved, 54.90756302521008 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 3 MinimizatonAttempts, 207 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 340 NumberOfCodeBlocks, 340 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 336 ConstructedInterpolants, 0 QuantifiedInterpolants, 91971 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 42/57 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown