java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label31_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 23:07:16,203 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 23:07:16,210 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 23:07:16,227 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 23:07:16,229 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 23:07:16,230 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 23:07:16,232 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 23:07:16,234 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 23:07:16,237 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 23:07:16,244 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 23:07:16,245 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 23:07:16,245 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 23:07:16,250 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 23:07:16,251 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 23:07:16,252 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 23:07:16,256 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 23:07:16,258 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 23:07:16,261 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 23:07:16,266 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 23:07:16,270 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 23:07:16,273 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 23:07:16,274 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 23:07:16,278 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-06 23:07:16,278 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-06 23:07:16,279 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-06 23:07:16,280 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-06 23:07:16,280 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-06 23:07:16,283 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-06 23:07:16,285 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-06 23:07:16,287 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-06 23:07:16,287 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-06 23:07:16,287 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-06 23:07:16,288 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-06 23:07:16,288 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-06 23:07:16,290 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-06 23:07:16,291 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-06 23:07:16,292 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-06 23:07:16,308 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 23:07:16,308 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 23:07:16,309 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 23:07:16,309 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-06 23:07:16,310 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-06 23:07:16,310 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-06 23:07:16,310 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-06 23:07:16,310 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-06 23:07:16,311 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-06 23:07:16,311 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-06 23:07:16,311 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-06 23:07:16,311 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-06 23:07:16,312 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 23:07:16,312 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 23:07:16,312 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 23:07:16,313 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 23:07:16,313 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 23:07:16,313 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 23:07:16,313 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 23:07:16,313 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 23:07:16,314 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 23:07:16,314 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 23:07:16,314 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 23:07:16,314 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 23:07:16,314 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 23:07:16,315 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 23:07:16,315 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 23:07:16,315 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 23:07:16,316 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-06 23:07:16,316 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 23:07:16,316 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 23:07:16,316 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 23:07:16,316 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 23:07:16,317 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-06 23:07:16,362 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 23:07:16,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 23:07:16,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 23:07:16,382 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 23:07:16,383 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 23:07:16,383 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label31_false-unreach-call.c [2018-11-06 23:07:16,443 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96f2021a8/7726222e9fcb4a1d829415df02f4be9d/FLAGff21c606a [2018-11-06 23:07:17,079 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 23:07:17,080 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label31_false-unreach-call.c [2018-11-06 23:07:17,099 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96f2021a8/7726222e9fcb4a1d829415df02f4be9d/FLAGff21c606a [2018-11-06 23:07:17,118 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96f2021a8/7726222e9fcb4a1d829415df02f4be9d [2018-11-06 23:07:17,133 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 23:07:17,135 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 23:07:17,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 23:07:17,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 23:07:17,140 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 23:07:17,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:07:17" (1/1) ... [2018-11-06 23:07:17,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@150c54c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:17, skipping insertion in model container [2018-11-06 23:07:17,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:07:17" (1/1) ... [2018-11-06 23:07:17,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 23:07:17,256 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 23:07:18,071 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 23:07:18,077 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 23:07:18,325 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 23:07:18,351 INFO L193 MainTranslator]: Completed translation [2018-11-06 23:07:18,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:18 WrapperNode [2018-11-06 23:07:18,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 23:07:18,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 23:07:18,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 23:07:18,354 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 23:07:18,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:18" (1/1) ... [2018-11-06 23:07:18,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:18" (1/1) ... [2018-11-06 23:07:18,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 23:07:18,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 23:07:18,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 23:07:18,624 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 23:07:18,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:18" (1/1) ... [2018-11-06 23:07:18,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:18" (1/1) ... [2018-11-06 23:07:18,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:18" (1/1) ... [2018-11-06 23:07:18,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:18" (1/1) ... [2018-11-06 23:07:18,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:18" (1/1) ... [2018-11-06 23:07:18,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:18" (1/1) ... [2018-11-06 23:07:18,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:18" (1/1) ... [2018-11-06 23:07:18,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 23:07:18,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 23:07:18,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 23:07:18,753 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 23:07:18,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 23:07:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-06 23:07:18,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-06 23:07:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-06 23:07:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-06 23:07:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-06 23:07:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 23:07:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 23:07:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-06 23:07:18,829 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-06 23:07:23,916 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 23:07:23,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:07:23 BoogieIcfgContainer [2018-11-06 23:07:23,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 23:07:23,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 23:07:23,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 23:07:23,924 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 23:07:23,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:07:17" (1/3) ... [2018-11-06 23:07:23,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eaae8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:07:23, skipping insertion in model container [2018-11-06 23:07:23,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:18" (2/3) ... [2018-11-06 23:07:23,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eaae8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:07:23, skipping insertion in model container [2018-11-06 23:07:23,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:07:23" (3/3) ... [2018-11-06 23:07:23,929 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label31_false-unreach-call.c [2018-11-06 23:07:23,943 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 23:07:23,956 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 23:07:23,975 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 23:07:24,030 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 23:07:24,030 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 23:07:24,030 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 23:07:24,031 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 23:07:24,031 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 23:07:24,031 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 23:07:24,031 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 23:07:24,031 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 23:07:24,077 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-11-06 23:07:24,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-06 23:07:24,103 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 23:07:24,106 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 23:07:24,109 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 23:07:24,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 23:07:24,119 INFO L82 PathProgramCache]: Analyzing trace with hash -489199711, now seen corresponding path program 1 times [2018-11-06 23:07:24,122 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-06 23:07:24,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:07:24,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 23:07:24,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:07:24,189 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-06 23:07:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 23:07:25,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 23:07:25,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 23:07:25,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-06 23:07:25,375 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-06 23:07:25,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 23:07:25,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 23:07:25,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 23:07:25,403 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 4 states. [2018-11-06 23:07:28,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 23:07:28,635 INFO L93 Difference]: Finished difference Result 1085 states and 1949 transitions. [2018-11-06 23:07:28,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 23:07:28,637 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 158 [2018-11-06 23:07:28,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 23:07:28,664 INFO L225 Difference]: With dead ends: 1085 [2018-11-06 23:07:28,665 INFO L226 Difference]: Without dead ends: 767 [2018-11-06 23:07:28,674 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 23:07:28,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2018-11-06 23:07:28,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 523. [2018-11-06 23:07:28,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-11-06 23:07:28,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 922 transitions. [2018-11-06 23:07:28,831 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 922 transitions. Word has length 158 [2018-11-06 23:07:28,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 23:07:28,832 INFO L480 AbstractCegarLoop]: Abstraction has 523 states and 922 transitions. [2018-11-06 23:07:28,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 23:07:28,832 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 922 transitions. [2018-11-06 23:07:28,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-06 23:07:28,848 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 23:07:28,848 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 23:07:28,853 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 23:07:28,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 23:07:28,854 INFO L82 PathProgramCache]: Analyzing trace with hash 690659536, now seen corresponding path program 1 times [2018-11-06 23:07:28,854 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-06 23:07:28,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:07:28,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 23:07:28,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:07:28,856 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-06 23:07:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 23:07:29,209 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-06 23:07:29,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 23:07:29,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 23:07:29,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-06 23:07:29,250 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-06 23:07:29,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 23:07:29,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 23:07:29,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-06 23:07:29,254 INFO L87 Difference]: Start difference. First operand 523 states and 922 transitions. Second operand 5 states. [2018-11-06 23:07:32,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 23:07:32,851 INFO L93 Difference]: Finished difference Result 1613 states and 2944 transitions. [2018-11-06 23:07:32,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-06 23:07:32,852 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 169 [2018-11-06 23:07:32,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 23:07:32,862 INFO L225 Difference]: With dead ends: 1613 [2018-11-06 23:07:32,863 INFO L226 Difference]: Without dead ends: 1096 [2018-11-06 23:07:32,868 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-06 23:07:32,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2018-11-06 23:07:32,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1073. [2018-11-06 23:07:32,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1073 states. [2018-11-06 23:07:32,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1774 transitions. [2018-11-06 23:07:32,921 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1774 transitions. Word has length 169 [2018-11-06 23:07:32,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 23:07:32,921 INFO L480 AbstractCegarLoop]: Abstraction has 1073 states and 1774 transitions. [2018-11-06 23:07:32,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-06 23:07:32,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1774 transitions. [2018-11-06 23:07:32,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-06 23:07:32,926 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 23:07:32,926 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 23:07:32,927 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 23:07:32,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 23:07:32,927 INFO L82 PathProgramCache]: Analyzing trace with hash -427347419, now seen corresponding path program 1 times [2018-11-06 23:07:32,927 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-06 23:07:32,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:07:32,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 23:07:32,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 23:07:32,929 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-06 23:07:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 23:07:33,815 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 23:07:33,815 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 23:07:33,815 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-06 23:07:33,816 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-11-06 23:07:33,819 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [28], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [725], [727], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-06 23:07:33,925 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-06 23:07:33,925 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-11-06 23:11:53,288 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-11-06 23:11:53,289 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-11-06 23:11:53,290 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-06 23:11:53,290 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 23:11:53,291 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 23:11:53,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 23:11:53,302 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-06 23:11:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 23:11:53,496 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 23:11:53,537 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-11-06 23:11:53,739 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 23:11:53,739 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-06 23:11:53,746 WARN L205 ceAbstractionStarter]: Timeout [2018-11-06 23:11:53,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:11:53 BoogieIcfgContainer [2018-11-06 23:11:53,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 23:11:53,748 INFO L168 Benchmark]: Toolchain (without parser) took 276613.82 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -384.3 MB). Peak memory consumption was 713.5 MB. Max. memory is 7.1 GB. [2018-11-06 23:11:53,749 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 23:11:53,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1216.10 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-11-06 23:11:53,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 270.42 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 773.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -896.0 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2018-11-06 23:11:53,751 INFO L168 Benchmark]: Boogie Preprocessor took 129.08 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2018-11-06 23:11:53,752 INFO L168 Benchmark]: RCFGBuilder took 5165.09 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 254.8 MB). Peak memory consumption was 254.8 MB. Max. memory is 7.1 GB. [2018-11-06 23:11:53,753 INFO L168 Benchmark]: TraceAbstraction took 269826.26 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 324.0 MB). Free memory was 2.0 GB in the beginning and 1.8 GB in the end (delta: 158.0 MB). Peak memory consumption was 482.0 MB. Max. memory is 7.1 GB. [2018-11-06 23:11:53,759 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 1216.10 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 270.42 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 773.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -896.0 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.08 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5165.09 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 254.8 MB). Peak memory consumption was 254.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 269826.26 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 324.0 MB). Free memory was 2.0 GB in the beginning and 1.8 GB in the end (delta: 158.0 MB). Peak memory consumption was 482.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1488]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1488). Cancelled while BasicCegarLoop was analyzing trace of length 172 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 7 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 312 locations, 1 error locations. TIMEOUT Result, 269.7s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 6.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 292 SDtfs, 1589 SDslu, 275 SDs, 0 SdLazy, 2591 SolverSat, 520 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1073occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 259.4s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 267 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 327 NumberOfCodeBlocks, 327 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 325 ConstructedInterpolants, 0 QuantifiedInterpolants, 245751 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown