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/Problem14_label23_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 21:39:32,202 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 21:39:32,204 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 21:39:32,216 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 21:39:32,216 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 21:39:32,217 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 21:39:32,218 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 21:39:32,220 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 21:39:32,222 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 21:39:32,223 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 21:39:32,224 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 21:39:32,224 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 21:39:32,225 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 21:39:32,226 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 21:39:32,227 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 21:39:32,228 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 21:39:32,229 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 21:39:32,231 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 21:39:32,233 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 21:39:32,234 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 21:39:32,236 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 21:39:32,237 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 21:39:32,239 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 21:39:32,240 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 21:39:32,240 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 21:39:32,241 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 21:39:32,242 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 21:39:32,243 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 21:39:32,244 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 21:39:32,245 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 21:39:32,245 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 21:39:32,246 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 21:39:32,246 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 21:39:32,246 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 21:39:32,247 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 21:39:32,248 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 21:39:32,248 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 21:39:32,270 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 21:39:32,270 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 21:39:32,272 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 21:39:32,272 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 21:39:32,272 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 21:39:32,273 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 21:39:32,273 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 21:39:32,273 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 21:39:32,273 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 21:39:32,274 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 21:39:32,274 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 21:39:32,274 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 21:39:32,275 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 21:39:32,276 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 21:39:32,276 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 21:39:32,276 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 21:39:32,276 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 21:39:32,276 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 21:39:32,277 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 21:39:32,277 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 21:39:32,277 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 21:39:32,277 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 21:39:32,277 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 21:39:32,278 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 21:39:32,279 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:39:32,279 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 21:39:32,279 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 21:39:32,279 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 21:39:32,279 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 21:39:32,280 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 21:39:32,280 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 21:39:32,280 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 21:39:32,280 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 21:39:32,280 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 21:39:32,343 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 21:39:32,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 21:39:32,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 21:39:32,359 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 21:39:32,359 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 21:39:32,360 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c [2018-10-24 21:39:32,420 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4c0fb8027/7e8a88d547a7431a823efa107c787c17/FLAGedd35a8fd [2018-10-24 21:39:33,027 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 21:39:33,028 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c [2018-10-24 21:39:33,047 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4c0fb8027/7e8a88d547a7431a823efa107c787c17/FLAGedd35a8fd [2018-10-24 21:39:33,068 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4c0fb8027/7e8a88d547a7431a823efa107c787c17 [2018-10-24 21:39:33,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 21:39:33,086 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 21:39:33,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 21:39:33,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 21:39:33,092 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 21:39:33,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:39:33" (1/1) ... [2018-10-24 21:39:33,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea74f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:39:33, skipping insertion in model container [2018-10-24 21:39:33,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:39:33" (1/1) ... [2018-10-24 21:39:33,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 21:39:33,194 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 21:39:33,772 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:39:33,777 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 21:39:33,934 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:39:33,953 INFO L193 MainTranslator]: Completed translation [2018-10-24 21:39:33,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:39:33 WrapperNode [2018-10-24 21:39:33,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 21:39:33,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 21:39:33,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 21:39:33,955 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 21:39:33,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:39:33" (1/1) ... [2018-10-24 21:39:34,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:39:33" (1/1) ... [2018-10-24 21:39:34,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 21:39:34,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 21:39:34,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 21:39:34,220 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 21:39:34,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:39:33" (1/1) ... [2018-10-24 21:39:34,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:39:33" (1/1) ... [2018-10-24 21:39:34,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:39:33" (1/1) ... [2018-10-24 21:39:34,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:39:33" (1/1) ... [2018-10-24 21:39:34,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:39:33" (1/1) ... [2018-10-24 21:39:34,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:39:33" (1/1) ... [2018-10-24 21:39:34,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:39:33" (1/1) ... [2018-10-24 21:39:34,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 21:39:34,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 21:39:34,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 21:39:34,319 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 21:39:34,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:39:33" (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 21:39:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 21:39:34,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 21:39:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 21:39:34,397 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 21:39:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 21:39:34,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 21:39:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 21:39:34,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 21:39:38,112 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 21:39:38,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:39:38 BoogieIcfgContainer [2018-10-24 21:39:38,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 21:39:38,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 21:39:38,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 21:39:38,118 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 21:39:38,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:39:33" (1/3) ... [2018-10-24 21:39:38,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57628873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:39:38, skipping insertion in model container [2018-10-24 21:39:38,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:39:33" (2/3) ... [2018-10-24 21:39:38,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57628873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:39:38, skipping insertion in model container [2018-10-24 21:39:38,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:39:38" (3/3) ... [2018-10-24 21:39:38,122 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label23_true-unreach-call_false-termination.c [2018-10-24 21:39:38,133 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 21:39:38,143 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 21:39:38,162 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 21:39:38,210 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 21:39:38,211 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 21:39:38,211 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 21:39:38,211 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 21:39:38,211 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 21:39:38,211 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 21:39:38,211 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 21:39:38,212 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 21:39:38,239 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-10-24 21:39:38,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-24 21:39:38,247 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:39:38,249 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] [2018-10-24 21:39:38,252 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:39:38,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:39:38,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1395557711, now seen corresponding path program 1 times [2018-10-24 21:39:38,260 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:39:38,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:39:38,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:39:38,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:39:38,315 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:39:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:39:38,750 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 21:39:38,866 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 21:39:38,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:39:38,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 21:39:38,869 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:39:38,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 21:39:38,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 21:39:38,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 21:39:38,896 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-10-24 21:39:40,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:39:40,911 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-10-24 21:39:40,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 21:39:40,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-10-24 21:39:40,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:39:40,934 INFO L225 Difference]: With dead ends: 691 [2018-10-24 21:39:40,934 INFO L226 Difference]: Without dead ends: 434 [2018-10-24 21:39:40,943 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 21:39:40,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-10-24 21:39:41,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-10-24 21:39:41,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-10-24 21:39:41,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 765 transitions. [2018-10-24 21:39:41,065 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 765 transitions. Word has length 39 [2018-10-24 21:39:41,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:39:41,066 INFO L481 AbstractCegarLoop]: Abstraction has 434 states and 765 transitions. [2018-10-24 21:39:41,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 21:39:41,066 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 765 transitions. [2018-10-24 21:39:41,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-24 21:39:41,077 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:39:41,077 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:39:41,078 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:39:41,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:39:41,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1621257519, now seen corresponding path program 1 times [2018-10-24 21:39:41,081 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:39:41,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:39:41,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:39:41,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:39:41,085 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:39:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:39:41,480 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:39:41,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:39:41,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:39:41,481 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:39:41,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:39:41,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:39:41,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:39:41,484 INFO L87 Difference]: Start difference. First operand 434 states and 765 transitions. Second operand 6 states. [2018-10-24 21:39:44,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:39:44,064 INFO L93 Difference]: Finished difference Result 1062 states and 1897 transitions. [2018-10-24 21:39:44,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:39:44,065 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 114 [2018-10-24 21:39:44,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:39:44,072 INFO L225 Difference]: With dead ends: 1062 [2018-10-24 21:39:44,072 INFO L226 Difference]: Without dead ends: 634 [2018-10-24 21:39:44,075 INFO L605 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 [2018-10-24 21:39:44,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2018-10-24 21:39:44,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 625. [2018-10-24 21:39:44,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-10-24 21:39:44,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 1019 transitions. [2018-10-24 21:39:44,115 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 1019 transitions. Word has length 114 [2018-10-24 21:39:44,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:39:44,116 INFO L481 AbstractCegarLoop]: Abstraction has 625 states and 1019 transitions. [2018-10-24 21:39:44,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:39:44,116 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1019 transitions. [2018-10-24 21:39:44,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-24 21:39:44,120 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:39:44,120 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:39:44,121 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:39:44,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:39:44,121 INFO L82 PathProgramCache]: Analyzing trace with hash -985362584, now seen corresponding path program 1 times [2018-10-24 21:39:44,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:39:44,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:39:44,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:39:44,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:39:44,123 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:39:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:39:44,498 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 10 [2018-10-24 21:39:44,695 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:39:44,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:39:44,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:39:44,696 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:39:44,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:39:44,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:39:44,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:39:44,697 INFO L87 Difference]: Start difference. First operand 625 states and 1019 transitions. Second operand 6 states. [2018-10-24 21:39:51,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:39:51,108 INFO L93 Difference]: Finished difference Result 1819 states and 2988 transitions. [2018-10-24 21:39:51,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 21:39:51,109 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2018-10-24 21:39:51,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:39:51,118 INFO L225 Difference]: With dead ends: 1819 [2018-10-24 21:39:51,119 INFO L226 Difference]: Without dead ends: 1200 [2018-10-24 21:39:51,124 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 21:39:51,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2018-10-24 21:39:51,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1140. [2018-10-24 21:39:51,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1140 states. [2018-10-24 21:39:51,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1733 transitions. [2018-10-24 21:39:51,170 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1733 transitions. Word has length 123 [2018-10-24 21:39:51,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:39:51,171 INFO L481 AbstractCegarLoop]: Abstraction has 1140 states and 1733 transitions. [2018-10-24 21:39:51,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:39:51,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1733 transitions. [2018-10-24 21:39:51,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-10-24 21:39:51,176 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:39:51,177 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, 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] [2018-10-24 21:39:51,177 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:39:51,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:39:51,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1921964902, now seen corresponding path program 1 times [2018-10-24 21:39:51,178 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:39:51,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:39:51,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:39:51,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:39:51,179 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:39:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:39:51,677 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-24 21:39:51,886 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-24 21:39:52,286 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:39:52,287 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:39:52,287 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:39:52,288 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-10-24 21:39:52,290 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [213], [215], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [554], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-24 21:39:52,358 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:39:52,358 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:39:56,163 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:39:56,165 INFO L272 AbstractInterpreter]: Visited 93 different actions 179 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 21:39:56,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:39:56,186 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:39:59,488 INFO L232 lantSequenceWeakener]: Weakened 51 states. On average, predicates are now at 80.1% of their original sizes. [2018-10-24 21:39:59,489 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:40:36,870 INFO L413 sIntCurrentIteration]: We have 207 unified AI predicates [2018-10-24 21:40:36,870 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:40:36,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:40:36,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [12] total 30 [2018-10-24 21:40:36,872 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:40:36,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-24 21:40:36,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-24 21:40:36,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2018-10-24 21:40:36,874 INFO L87 Difference]: Start difference. First operand 1140 states and 1733 transitions. Second operand 20 states. [2018-10-24 21:41:47,864 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-24 21:43:25,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-10-24 21:43:25,604 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 21:43:25,609 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 21:43:25,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:43:25 BoogieIcfgContainer [2018-10-24 21:43:25,610 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 21:43:25,610 INFO L168 Benchmark]: Toolchain (without parser) took 232525.90 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -912.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-24 21:43:25,612 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-10-24 21:43:25,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 867.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-10-24 21:43:25,613 INFO L168 Benchmark]: Boogie Procedure Inliner took 265.07 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 730.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -826.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2018-10-24 21:43:25,614 INFO L168 Benchmark]: Boogie Preprocessor took 98.49 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2018-10-24 21:43:25,615 INFO L168 Benchmark]: RCFGBuilder took 3794.32 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 133.7 MB). Peak memory consumption was 133.7 MB. Max. memory is 7.1 GB. [2018-10-24 21:43:25,615 INFO L168 Benchmark]: TraceAbstraction took 227495.46 ms. Allocated memory was 2.2 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 2.3 GB in the end (delta: -286.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-10-24 21:43:25,621 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 867.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 265.07 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 730.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -826.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.49 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3794.32 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 133.7 MB). Peak memory consumption was 133.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 227495.46 ms. Allocated memory was 2.2 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 2.3 GB in the end (delta: -286.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 100). Cancelled while BasicCegarLoop was constructing difference of abstraction (1140states) and FLOYD_HOARE automaton (currently 24 states, 20 states before enhancement),while ReachableStatesComputation was computing reachable states (2749 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. TIMEOUT Result, 227.4s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 179.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 405 SDtfs, 3764 SDslu, 507 SDs, 0 SdLazy, 5752 SolverSat, 1248 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 74.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 241 GetRequests, 155 SyntacticMatches, 45 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 40.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1140occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.8s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9943026675068265 AbsIntWeakeningRatio, 0.12560386473429952 AbsIntAvgWeakeningVarsNumRemoved, 298.21256038647346 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 69 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 484 NumberOfCodeBlocks, 484 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 480 ConstructedInterpolants, 0 QuantifiedInterpolants, 998656 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 210/212 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown