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/Problem15_label27_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 21:49:05,085 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 21:49:05,087 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 21:49:05,100 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 21:49:05,100 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 21:49:05,101 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 21:49:05,102 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 21:49:05,104 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 21:49:05,106 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 21:49:05,107 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 21:49:05,108 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 21:49:05,108 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 21:49:05,109 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 21:49:05,110 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 21:49:05,111 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 21:49:05,112 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 21:49:05,112 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 21:49:05,114 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 21:49:05,116 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 21:49:05,118 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 21:49:05,119 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 21:49:05,121 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 21:49:05,123 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 21:49:05,123 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 21:49:05,123 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 21:49:05,124 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 21:49:05,125 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 21:49:05,126 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 21:49:05,127 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 21:49:05,128 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 21:49:05,128 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 21:49:05,129 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 21:49:05,129 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 21:49:05,130 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 21:49:05,131 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 21:49:05,131 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 21:49:05,132 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 21:49:05,147 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 21:49:05,147 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 21:49:05,148 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 21:49:05,148 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 21:49:05,149 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 21:49:05,149 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 21:49:05,149 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 21:49:05,149 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 21:49:05,149 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 21:49:05,150 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 21:49:05,150 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 21:49:05,150 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 21:49:05,151 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 21:49:05,151 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 21:49:05,151 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 21:49:05,151 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 21:49:05,151 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 21:49:05,152 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 21:49:05,152 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 21:49:05,152 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 21:49:05,152 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 21:49:05,153 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 21:49:05,153 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 21:49:05,153 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 21:49:05,153 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:49:05,153 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 21:49:05,154 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 21:49:05,154 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 21:49:05,154 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 21:49:05,154 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 21:49:05,154 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 21:49:05,155 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 21:49:05,155 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 21:49:05,155 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 21:49:05,202 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 21:49:05,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 21:49:05,218 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 21:49:05,220 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 21:49:05,220 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 21:49:05,221 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label27_true-unreach-call.c [2018-10-24 21:49:05,282 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6c96b9506/268d147bc7294864b86551b83a1f15d5/FLAG364d22cdc [2018-10-24 21:49:05,917 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 21:49:05,918 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label27_true-unreach-call.c [2018-10-24 21:49:05,936 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6c96b9506/268d147bc7294864b86551b83a1f15d5/FLAG364d22cdc [2018-10-24 21:49:05,951 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6c96b9506/268d147bc7294864b86551b83a1f15d5 [2018-10-24 21:49:05,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 21:49:05,964 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 21:49:05,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 21:49:05,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 21:49:05,972 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 21:49:05,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:49:05" (1/1) ... [2018-10-24 21:49:05,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a17b170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:05, skipping insertion in model container [2018-10-24 21:49:05,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:49:05" (1/1) ... [2018-10-24 21:49:05,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 21:49:06,089 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 21:49:06,856 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:49:06,861 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 21:49:07,180 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:49:07,199 INFO L193 MainTranslator]: Completed translation [2018-10-24 21:49:07,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:07 WrapperNode [2018-10-24 21:49:07,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 21:49:07,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 21:49:07,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 21:49:07,201 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 21:49:07,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:07" (1/1) ... [2018-10-24 21:49:07,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:07" (1/1) ... [2018-10-24 21:49:07,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 21:49:07,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 21:49:07,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 21:49:07,556 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 21:49:07,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:07" (1/1) ... [2018-10-24 21:49:07,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:07" (1/1) ... [2018-10-24 21:49:07,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:07" (1/1) ... [2018-10-24 21:49:07,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:07" (1/1) ... [2018-10-24 21:49:07,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:07" (1/1) ... [2018-10-24 21:49:07,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:07" (1/1) ... [2018-10-24 21:49:07,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:07" (1/1) ... [2018-10-24 21:49:07,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 21:49:07,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 21:49:07,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 21:49:07,761 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 21:49:07,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:49:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 21:49:07,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 21:49:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 21:49:07,825 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 21:49:07,826 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 21:49:07,826 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 21:49:07,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 21:49:07,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 21:49:07,826 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 21:49:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 21:49:15,376 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 21:49:15,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:49:15 BoogieIcfgContainer [2018-10-24 21:49:15,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 21:49:15,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 21:49:15,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 21:49:15,382 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 21:49:15,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:49:05" (1/3) ... [2018-10-24 21:49:15,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74da9d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:49:15, skipping insertion in model container [2018-10-24 21:49:15,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:49:07" (2/3) ... [2018-10-24 21:49:15,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74da9d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:49:15, skipping insertion in model container [2018-10-24 21:49:15,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:49:15" (3/3) ... [2018-10-24 21:49:15,385 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label27_true-unreach-call.c [2018-10-24 21:49:15,394 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 21:49:15,404 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 21:49:15,423 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 21:49:15,467 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 21:49:15,467 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 21:49:15,467 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 21:49:15,468 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 21:49:15,468 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 21:49:15,468 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 21:49:15,468 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 21:49:15,468 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 21:49:15,502 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-10-24 21:49:15,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-24 21:49:15,512 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:49:15,514 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] [2018-10-24 21:49:15,516 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:49:15,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:49:15,522 INFO L82 PathProgramCache]: Analyzing trace with hash 923838876, now seen corresponding path program 1 times [2018-10-24 21:49:15,525 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:49:15,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:15,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:49:15,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:15,585 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:49:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:49:16,032 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-10-24 21:49:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:49:16,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:49:16,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 21:49:16,055 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:49:16,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 21:49:16,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 21:49:16,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:49:16,085 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-10-24 21:49:22,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:49:22,977 INFO L93 Difference]: Finished difference Result 1558 states and 2849 transitions. [2018-10-24 21:49:22,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 21:49:22,979 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2018-10-24 21:49:22,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:49:23,011 INFO L225 Difference]: With dead ends: 1558 [2018-10-24 21:49:23,012 INFO L226 Difference]: Without dead ends: 1114 [2018-10-24 21:49:23,025 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:49:23,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2018-10-24 21:49:23,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 759. [2018-10-24 21:49:23,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2018-10-24 21:49:23,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1355 transitions. [2018-10-24 21:49:23,137 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1355 transitions. Word has length 44 [2018-10-24 21:49:23,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:49:23,138 INFO L481 AbstractCegarLoop]: Abstraction has 759 states and 1355 transitions. [2018-10-24 21:49:23,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 21:49:23,138 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1355 transitions. [2018-10-24 21:49:23,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-24 21:49:23,145 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:49:23,146 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:49:23,146 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:49:23,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:49:23,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1568120057, now seen corresponding path program 1 times [2018-10-24 21:49:23,147 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:49:23,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:23,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:49:23,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:23,148 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:49:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:49:23,426 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:49:23,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:49:23,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 21:49:23,427 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:49:23,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 21:49:23,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 21:49:23,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:49:23,430 INFO L87 Difference]: Start difference. First operand 759 states and 1355 transitions. Second operand 4 states. [2018-10-24 21:49:31,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:49:31,961 INFO L93 Difference]: Finished difference Result 2757 states and 5143 transitions. [2018-10-24 21:49:31,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 21:49:31,967 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 114 [2018-10-24 21:49:31,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:49:31,986 INFO L225 Difference]: With dead ends: 2757 [2018-10-24 21:49:31,987 INFO L226 Difference]: Without dead ends: 2004 [2018-10-24 21:49:31,996 INFO L605 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 [2018-10-24 21:49:31,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2018-10-24 21:49:32,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1999. [2018-10-24 21:49:32,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1999 states. [2018-10-24 21:49:32,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1999 states and 3239 transitions. [2018-10-24 21:49:32,099 INFO L78 Accepts]: Start accepts. Automaton has 1999 states and 3239 transitions. Word has length 114 [2018-10-24 21:49:32,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:49:32,099 INFO L481 AbstractCegarLoop]: Abstraction has 1999 states and 3239 transitions. [2018-10-24 21:49:32,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 21:49:32,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 3239 transitions. [2018-10-24 21:49:32,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-24 21:49:32,117 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:49:32,117 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:49:32,118 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:49:32,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:49:32,118 INFO L82 PathProgramCache]: Analyzing trace with hash 440789569, now seen corresponding path program 1 times [2018-10-24 21:49:32,118 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:49:32,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:32,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:49:32,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:32,121 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:49:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:49:32,610 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:49:32,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:49:32,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 21:49:32,611 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:49:32,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 21:49:32,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 21:49:32,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-24 21:49:32,615 INFO L87 Difference]: Start difference. First operand 1999 states and 3239 transitions. Second operand 5 states. [2018-10-24 21:49:50,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:49:50,893 INFO L93 Difference]: Finished difference Result 7361 states and 12132 transitions. [2018-10-24 21:49:50,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 21:49:50,894 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2018-10-24 21:49:50,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:49:50,928 INFO L225 Difference]: With dead ends: 7361 [2018-10-24 21:49:50,928 INFO L226 Difference]: Without dead ends: 5368 [2018-10-24 21:49:50,956 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:49:50,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5368 states. [2018-10-24 21:49:51,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5368 to 5286. [2018-10-24 21:49:51,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5286 states. [2018-10-24 21:49:51,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5286 states to 5286 states and 7073 transitions. [2018-10-24 21:49:51,118 INFO L78 Accepts]: Start accepts. Automaton has 5286 states and 7073 transitions. Word has length 168 [2018-10-24 21:49:51,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:49:51,119 INFO L481 AbstractCegarLoop]: Abstraction has 5286 states and 7073 transitions. [2018-10-24 21:49:51,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 21:49:51,119 INFO L276 IsEmpty]: Start isEmpty. Operand 5286 states and 7073 transitions. [2018-10-24 21:49:51,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-10-24 21:49:51,128 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:49:51,128 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 21:49:51,128 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:49:51,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:49:51,129 INFO L82 PathProgramCache]: Analyzing trace with hash -116991382, now seen corresponding path program 1 times [2018-10-24 21:49:51,129 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:49:51,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:51,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:49:51,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:49:51,131 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:49:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:49:51,503 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 77 proven. 87 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-24 21:49:51,504 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:49:51,504 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:49:51,505 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 265 with the following transitions: [2018-10-24 21:49:51,507 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [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], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [816], [821], [823], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 21:49:51,578 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:49:51,578 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:49:53,515 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:50:04,870 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:50:04,872 INFO L272 AbstractInterpreter]: Visited 130 different actions 377 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 21:50:04,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:50:04,889 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:50:10,074 INFO L232 lantSequenceWeakener]: Weakened 77 states. On average, predicates are now at 77.69% of their original sizes. [2018-10-24 21:50:10,078 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:52:05,313 INFO L413 sIntCurrentIteration]: We have 263 unified AI predicates [2018-10-24 21:52:05,313 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:52:05,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:52:05,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-10-24 21:52:05,315 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:52:05,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-24 21:52:05,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-24 21:52:05,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2018-10-24 21:52:05,317 INFO L87 Difference]: Start difference. First operand 5286 states and 7073 transitions. Second operand 18 states. Received shutdown request... [2018-10-24 21:53:15,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-24 21:53:15,263 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 21:53:15,269 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 21:53:15,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:53:15 BoogieIcfgContainer [2018-10-24 21:53:15,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 21:53:15,270 INFO L168 Benchmark]: Toolchain (without parser) took 249307.18 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -695.5 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-24 21:53:15,271 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 21:53:15,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1235.33 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: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2018-10-24 21:53:15,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 354.77 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 774.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -900.0 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2018-10-24 21:53:15,274 INFO L168 Benchmark]: Boogie Preprocessor took 204.17 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2018-10-24 21:53:15,275 INFO L168 Benchmark]: RCFGBuilder took 7616.82 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 314.2 MB). Peak memory consumption was 314.2 MB. Max. memory is 7.1 GB. [2018-10-24 21:53:15,275 INFO L168 Benchmark]: TraceAbstraction took 239891.10 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.6 GB). Free memory was 1.9 GB in the beginning and 2.1 GB in the end (delta: -229.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-24 21:53:15,281 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 1235.33 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: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 354.77 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 774.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -900.0 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 204.17 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7616.82 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 314.2 MB). Peak memory consumption was 314.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 239891.10 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.6 GB). Free memory was 1.9 GB in the beginning and 2.1 GB in the end (delta: -229.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 118]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 118). Cancelled while BasicCegarLoop was constructing difference of abstraction (5286states) and FLOYD_HOARE automaton (currently 17 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (166 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 239.8s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 103.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 540 SDtfs, 3331 SDslu, 535 SDs, 0 SdLazy, 6800 SolverSat, 1691 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 46.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 289 GetRequests, 135 SyntacticMatches, 122 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 118.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5286occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 13.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9956811043147629 AbsIntWeakeningRatio, 0.10266159695817491 AbsIntAvgWeakeningVarsNumRemoved, 189.13688212927758 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 442 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 590 NumberOfCodeBlocks, 590 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 586 ConstructedInterpolants, 0 QuantifiedInterpolants, 489018 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 157/244 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown