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/Problem12_label33_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 01:17:28,243 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 01:17:28,246 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 01:17:28,259 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 01:17:28,259 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 01:17:28,260 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 01:17:28,261 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 01:17:28,263 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 01:17:28,265 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 01:17:28,266 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 01:17:28,267 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 01:17:28,267 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 01:17:28,268 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 01:17:28,269 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 01:17:28,270 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 01:17:28,271 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 01:17:28,272 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 01:17:28,275 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 01:17:28,280 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 01:17:28,282 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 01:17:28,284 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 01:17:28,288 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 01:17:28,292 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 01:17:28,292 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 01:17:28,292 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 01:17:28,293 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 01:17:28,294 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 01:17:28,295 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 01:17:28,295 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 01:17:28,296 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 01:17:28,297 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 01:17:28,297 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 01:17:28,297 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 01:17:28,298 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 01:17:28,299 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 01:17:28,299 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 01:17:28,300 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 01:17:28,327 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 01:17:28,327 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 01:17:28,328 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 01:17:28,328 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 01:17:28,328 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 01:17:28,329 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 01:17:28,329 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 01:17:28,329 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 01:17:28,329 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 01:17:28,329 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 01:17:28,330 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 01:17:28,330 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 01:17:28,330 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 01:17:28,331 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 01:17:28,331 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 01:17:28,331 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 01:17:28,331 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 01:17:28,331 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 01:17:28,332 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 01:17:28,332 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 01:17:28,332 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 01:17:28,332 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 01:17:28,332 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 01:17:28,333 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 01:17:28,333 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 01:17:28,333 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 01:17:28,333 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 01:17:28,333 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 01:17:28,334 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 01:17:28,334 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 01:17:28,334 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 01:17:28,334 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 01:17:28,334 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 01:17:28,335 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 01:17:28,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 01:17:28,426 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 01:17:28,431 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 01:17:28,432 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 01:17:28,433 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 01:17:28,433 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label33_true-unreach-call.c [2018-10-24 01:17:28,496 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/022ad857e/3d30c8de18854604bd81e3f66af24a7f/FLAGcdb0c9e7c [2018-10-24 01:17:29,295 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 01:17:29,296 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label33_true-unreach-call.c [2018-10-24 01:17:29,324 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/022ad857e/3d30c8de18854604bd81e3f66af24a7f/FLAGcdb0c9e7c [2018-10-24 01:17:29,342 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/022ad857e/3d30c8de18854604bd81e3f66af24a7f [2018-10-24 01:17:29,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 01:17:29,356 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 01:17:29,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 01:17:29,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 01:17:29,361 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 01:17:29,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:17:29" (1/1) ... [2018-10-24 01:17:29,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ffa327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:17:29, skipping insertion in model container [2018-10-24 01:17:29,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:17:29" (1/1) ... [2018-10-24 01:17:29,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 01:17:29,550 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 01:17:30,883 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:17:30,888 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 01:17:31,497 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:17:31,533 INFO L193 MainTranslator]: Completed translation [2018-10-24 01:17:31,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:17:31 WrapperNode [2018-10-24 01:17:31,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 01:17:31,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 01:17:31,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 01:17:31,535 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 01:17:31,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:17:31" (1/1) ... [2018-10-24 01:17:31,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:17:31" (1/1) ... [2018-10-24 01:17:32,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 01:17:32,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 01:17:32,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 01:17:32,038 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 01:17:32,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:17:31" (1/1) ... [2018-10-24 01:17:32,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:17:31" (1/1) ... [2018-10-24 01:17:32,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:17:31" (1/1) ... [2018-10-24 01:17:32,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:17:31" (1/1) ... [2018-10-24 01:17:32,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:17:31" (1/1) ... [2018-10-24 01:17:32,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:17:31" (1/1) ... [2018-10-24 01:17:32,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:17:31" (1/1) ... [2018-10-24 01:17:32,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 01:17:32,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 01:17:32,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 01:17:32,320 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 01:17:32,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:17:31" (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 01:17:32,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 01:17:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 01:17:32,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 01:17:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 01:17:32,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 01:17:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 01:17:32,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 01:17:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 01:17:32,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 01:17:32,390 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 01:17:32,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 01:17:32,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 01:17:32,391 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 01:17:32,392 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 01:17:44,151 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 01:17:44,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:17:44 BoogieIcfgContainer [2018-10-24 01:17:44,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 01:17:44,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 01:17:44,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 01:17:44,159 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 01:17:44,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:17:29" (1/3) ... [2018-10-24 01:17:44,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2894918d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:17:44, skipping insertion in model container [2018-10-24 01:17:44,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:17:31" (2/3) ... [2018-10-24 01:17:44,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2894918d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:17:44, skipping insertion in model container [2018-10-24 01:17:44,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:17:44" (3/3) ... [2018-10-24 01:17:44,164 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label33_true-unreach-call.c [2018-10-24 01:17:44,174 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 01:17:44,184 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 01:17:44,201 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 01:17:44,247 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 01:17:44,247 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 01:17:44,247 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 01:17:44,247 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 01:17:44,247 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 01:17:44,248 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 01:17:44,248 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 01:17:44,248 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 01:17:44,287 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-10-24 01:17:44,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-24 01:17:44,297 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:17:44,298 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 01:17:44,301 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:17:44,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:17:44,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1505698572, now seen corresponding path program 1 times [2018-10-24 01:17:44,311 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:17:44,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:17:44,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:17:44,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:17:44,371 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:17:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:17:44,935 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 3 [2018-10-24 01:17:44,947 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 01:17:44,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:17:44,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 01:17:44,953 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:17:44,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 01:17:44,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 01:17:44,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:17:44,980 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 4 states. [2018-10-24 01:18:00,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:18:00,292 INFO L93 Difference]: Finished difference Result 3234 states and 6255 transitions. [2018-10-24 01:18:00,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 01:18:00,294 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2018-10-24 01:18:00,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:18:00,339 INFO L225 Difference]: With dead ends: 3234 [2018-10-24 01:18:00,339 INFO L226 Difference]: Without dead ends: 2388 [2018-10-24 01:18:00,358 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:18:00,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2388 states. [2018-10-24 01:18:00,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2388 to 2388. [2018-10-24 01:18:00,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2388 states. [2018-10-24 01:18:00,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2388 states and 4022 transitions. [2018-10-24 01:18:00,585 INFO L78 Accepts]: Start accepts. Automaton has 2388 states and 4022 transitions. Word has length 56 [2018-10-24 01:18:00,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:18:00,586 INFO L481 AbstractCegarLoop]: Abstraction has 2388 states and 4022 transitions. [2018-10-24 01:18:00,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 01:18:00,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 4022 transitions. [2018-10-24 01:18:00,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-24 01:18:00,596 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:18:00,597 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 01:18:00,597 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:18:00,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:18:00,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1233616770, now seen corresponding path program 1 times [2018-10-24 01:18:00,598 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:18:00,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:18:00,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:18:00,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:18:00,600 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:18:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:18:00,987 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:18:00,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:18:00,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:18:00,988 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:18:00,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:18:00,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:18:00,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:18:00,991 INFO L87 Difference]: Start difference. First operand 2388 states and 4022 transitions. Second operand 6 states. [2018-10-24 01:18:18,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:18:18,251 INFO L93 Difference]: Finished difference Result 9453 states and 16261 transitions. [2018-10-24 01:18:18,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:18:18,254 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2018-10-24 01:18:18,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:18:18,310 INFO L225 Difference]: With dead ends: 9453 [2018-10-24 01:18:18,311 INFO L226 Difference]: Without dead ends: 7071 [2018-10-24 01:18:18,326 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 01:18:18,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7071 states. [2018-10-24 01:18:18,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7071 to 7023. [2018-10-24 01:18:18,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7023 states. [2018-10-24 01:18:18,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7023 states to 7023 states and 10536 transitions. [2018-10-24 01:18:18,565 INFO L78 Accepts]: Start accepts. Automaton has 7023 states and 10536 transitions. Word has length 156 [2018-10-24 01:18:18,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:18:18,566 INFO L481 AbstractCegarLoop]: Abstraction has 7023 states and 10536 transitions. [2018-10-24 01:18:18,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:18:18,566 INFO L276 IsEmpty]: Start isEmpty. Operand 7023 states and 10536 transitions. [2018-10-24 01:18:18,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-10-24 01:18:18,580 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:18:18,581 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 01:18:18,582 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:18:18,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:18:18,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1668109382, now seen corresponding path program 1 times [2018-10-24 01:18:18,583 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:18:18,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:18:18,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:18:18,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:18:18,585 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:18:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:18:18,846 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:18:18,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:18:18,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 01:18:18,847 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:18:18,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 01:18:18,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 01:18:18,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:18:18,849 INFO L87 Difference]: Start difference. First operand 7023 states and 10536 transitions. Second operand 4 states. [2018-10-24 01:18:26,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:18:26,601 INFO L93 Difference]: Finished difference Result 27807 states and 43305 transitions. [2018-10-24 01:18:26,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 01:18:26,607 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 206 [2018-10-24 01:18:26,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:18:26,748 INFO L225 Difference]: With dead ends: 27807 [2018-10-24 01:18:26,749 INFO L226 Difference]: Without dead ends: 20790 [2018-10-24 01:18:26,798 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 01:18:26,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20790 states. [2018-10-24 01:18:27,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20790 to 20790. [2018-10-24 01:18:27,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20790 states. [2018-10-24 01:18:27,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20790 states to 20790 states and 31085 transitions. [2018-10-24 01:18:27,457 INFO L78 Accepts]: Start accepts. Automaton has 20790 states and 31085 transitions. Word has length 206 [2018-10-24 01:18:27,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:18:27,458 INFO L481 AbstractCegarLoop]: Abstraction has 20790 states and 31085 transitions. [2018-10-24 01:18:27,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 01:18:27,458 INFO L276 IsEmpty]: Start isEmpty. Operand 20790 states and 31085 transitions. [2018-10-24 01:18:27,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-10-24 01:18:27,471 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:18:27,471 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 01:18:27,472 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:18:27,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:18:27,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1323393900, now seen corresponding path program 1 times [2018-10-24 01:18:27,472 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:18:27,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:18:27,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:18:27,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:18:27,474 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:18:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:18:27,893 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 98 proven. 69 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 01:18:27,893 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:18:27,893 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:18:27,894 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 211 with the following transitions: [2018-10-24 01:18:27,897 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2215], [2217], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2376], [2377], [2381], [2385], [2389], [2393], [2397], [2400], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-10-24 01:18:27,976 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:18:27,976 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:18:30,159 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:18:30,161 INFO L272 AbstractInterpreter]: Visited 85 different actions 85 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 01:18:30,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:18:30,174 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:18:32,525 INFO L232 lantSequenceWeakener]: Weakened 202 states. On average, predicates are now at 75.82% of their original sizes. [2018-10-24 01:18:32,525 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:18:32,991 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:18:32,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:18:32,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2018-10-24 01:18:32,992 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:18:32,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 01:18:32,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 01:18:32,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 01:18:32,994 INFO L87 Difference]: Start difference. First operand 20790 states and 31085 transitions. Second operand 8 states. [2018-10-24 01:18:40,500 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-24 01:21:13,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 01:21:13,548 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 01:21:13,553 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 01:21:13,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 01:21:13 BoogieIcfgContainer [2018-10-24 01:21:13,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 01:21:13,555 INFO L168 Benchmark]: Toolchain (without parser) took 224199.71 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.7 GB in the end (delta: -2.3 GB). Peak memory consumption was 326.8 MB. Max. memory is 7.1 GB. [2018-10-24 01:21:13,556 INFO L168 Benchmark]: CDTParser took 0.19 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 01:21:13,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2176.90 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Peak memory consumption was 190.3 MB. Max. memory is 7.1 GB. [2018-10-24 01:21:13,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 502.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 793.8 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 58.4 MB. Max. memory is 7.1 GB. [2018-10-24 01:21:13,558 INFO L168 Benchmark]: Boogie Preprocessor took 282.02 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: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. [2018-10-24 01:21:13,559 INFO L168 Benchmark]: RCFGBuilder took 11834.29 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 166.7 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -172.6 MB). Peak memory consumption was 659.0 MB. Max. memory is 7.1 GB. [2018-10-24 01:21:13,560 INFO L168 Benchmark]: TraceAbstraction took 209398.57 ms. Allocated memory was 2.5 GB in the beginning and 4.1 GB in the end (delta: 1.6 GB). Free memory was 2.4 GB in the beginning and 3.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 349.0 MB. Max. memory is 7.1 GB. [2018-10-24 01:21:13,566 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 2176.90 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Peak memory consumption was 190.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 502.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 793.8 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 58.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 282.02 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: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11834.29 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 166.7 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -172.6 MB). Peak memory consumption was 659.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 209398.57 ms. Allocated memory was 2.5 GB in the beginning and 4.1 GB in the end (delta: 1.6 GB). Free memory was 2.4 GB in the beginning and 3.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 349.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 159]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 159). Cancelled while BasicCegarLoop was constructing difference of abstraction (20790states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (21749 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 209.3s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 201.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1992 SDtfs, 10920 SDslu, 666 SDs, 0 SdLazy, 15051 SolverSat, 5926 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 157.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 232 GetRequests, 212 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20790occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9953625322046373 AbsIntWeakeningRatio, 0.1291866028708134 AbsIntAvgWeakeningVarsNumRemoved, 1043.7846889952152 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 48 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 628 NumberOfCodeBlocks, 628 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 624 ConstructedInterpolants, 0 QuantifiedInterpolants, 287512 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 201/270 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown