./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem01_label39_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/eca-rers2012/Problem01_label39_true-unreach-call_false-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c284ff92946706c13208d48054fb31055fe2d01 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-30 19:42:30,175 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 19:42:30,177 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 19:42:30,189 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 19:42:30,189 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 19:42:30,190 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 19:42:30,192 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 19:42:30,194 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 19:42:30,196 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 19:42:30,197 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 19:42:30,198 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 19:42:30,198 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 19:42:30,199 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 19:42:30,201 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 19:42:30,205 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 19:42:30,205 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 19:42:30,207 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 19:42:30,209 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 19:42:30,211 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 19:42:30,213 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 19:42:30,214 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 19:42:30,215 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 19:42:30,218 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 19:42:30,219 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 19:42:30,219 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 19:42:30,220 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 19:42:30,221 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 19:42:30,222 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 19:42:30,223 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 19:42:30,225 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 19:42:30,225 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 19:42:30,226 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 19:42:30,226 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 19:42:30,227 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 19:42:30,228 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 19:42:30,229 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 19:42:30,229 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-30 19:42:30,253 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 19:42:30,253 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 19:42:30,257 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 19:42:30,258 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 19:42:30,258 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 19:42:30,259 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 19:42:30,259 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 19:42:30,259 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-30 19:42:30,259 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 19:42:30,259 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 19:42:30,260 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 19:42:30,260 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 19:42:30,260 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 19:42:30,260 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 19:42:30,260 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 19:42:30,260 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 19:42:30,261 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 19:42:30,263 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 19:42:30,263 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 19:42:30,264 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 19:42:30,264 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 19:42:30,264 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 19:42:30,264 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 19:42:30,264 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 19:42:30,265 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 19:42:30,265 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-30 19:42:30,265 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 19:42:30,265 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-30 19:42:30,265 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c284ff92946706c13208d48054fb31055fe2d01 [2018-12-30 19:42:30,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 19:42:30,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 19:42:30,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 19:42:30,362 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 19:42:30,363 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 19:42:30,365 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem01_label39_true-unreach-call_false-termination.c [2018-12-30 19:42:30,433 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae3735c7/de819c5803b94432a76675814c4ad821/FLAG80d775f5e [2018-12-30 19:42:31,020 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 19:42:31,021 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem01_label39_true-unreach-call_false-termination.c [2018-12-30 19:42:31,036 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae3735c7/de819c5803b94432a76675814c4ad821/FLAG80d775f5e [2018-12-30 19:42:31,278 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae3735c7/de819c5803b94432a76675814c4ad821 [2018-12-30 19:42:31,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 19:42:31,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 19:42:31,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 19:42:31,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 19:42:31,289 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 19:42:31,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:42:31" (1/1) ... [2018-12-30 19:42:31,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de6a5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:31, skipping insertion in model container [2018-12-30 19:42:31,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:42:31" (1/1) ... [2018-12-30 19:42:31,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 19:42:31,361 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 19:42:31,814 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:42:31,820 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 19:42:31,974 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:42:31,997 INFO L195 MainTranslator]: Completed translation [2018-12-30 19:42:31,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:31 WrapperNode [2018-12-30 19:42:31,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 19:42:32,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 19:42:32,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 19:42:32,001 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 19:42:32,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:31" (1/1) ... [2018-12-30 19:42:32,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:31" (1/1) ... [2018-12-30 19:42:32,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 19:42:32,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 19:42:32,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 19:42:32,192 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 19:42:32,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:31" (1/1) ... [2018-12-30 19:42:32,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:31" (1/1) ... [2018-12-30 19:42:32,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:31" (1/1) ... [2018-12-30 19:42:32,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:31" (1/1) ... [2018-12-30 19:42:32,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:31" (1/1) ... [2018-12-30 19:42:32,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:31" (1/1) ... [2018-12-30 19:42:32,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:31" (1/1) ... [2018-12-30 19:42:32,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 19:42:32,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 19:42:32,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 19:42:32,295 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 19:42:32,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:31" (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 [2018-12-30 19:42:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 19:42:32,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 19:42:35,781 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 19:42:35,782 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-30 19:42:35,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:42:35 BoogieIcfgContainer [2018-12-30 19:42:35,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 19:42:35,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 19:42:35,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 19:42:35,787 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 19:42:35,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 07:42:31" (1/3) ... [2018-12-30 19:42:35,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e74bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:42:35, skipping insertion in model container [2018-12-30 19:42:35,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:42:31" (2/3) ... [2018-12-30 19:42:35,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e74bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:42:35, skipping insertion in model container [2018-12-30 19:42:35,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:42:35" (3/3) ... [2018-12-30 19:42:35,791 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label39_true-unreach-call_false-termination.c [2018-12-30 19:42:35,803 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 19:42:35,824 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 19:42:35,846 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 19:42:35,898 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 19:42:35,899 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 19:42:35,899 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 19:42:35,899 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 19:42:35,900 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 19:42:35,900 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 19:42:35,900 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 19:42:35,900 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 19:42:35,900 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 19:42:35,934 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2018-12-30 19:42:35,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-30 19:42:35,963 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:42:35,964 INFO L402 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] [2018-12-30 19:42:35,973 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:42:35,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:42:35,980 INFO L82 PathProgramCache]: Analyzing trace with hash 2011925823, now seen corresponding path program 1 times [2018-12-30 19:42:35,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:42:35,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:42:36,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:36,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:42:36,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:42:36,793 WARN L181 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-12-30 19:42:37,184 WARN L181 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2018-12-30 19:42:37,526 WARN L181 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-12-30 19:42:37,719 WARN L181 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2018-12-30 19:42:37,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:42:37,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:42:37,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-30 19:42:37,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-30 19:42:37,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-30 19:42:37,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-12-30 19:42:37,997 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 10 states. [2018-12-30 19:42:40,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:42:40,435 INFO L93 Difference]: Finished difference Result 493 states and 846 transitions. [2018-12-30 19:42:40,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-30 19:42:40,438 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 132 [2018-12-30 19:42:40,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:42:40,454 INFO L225 Difference]: With dead ends: 493 [2018-12-30 19:42:40,454 INFO L226 Difference]: Without dead ends: 193 [2018-12-30 19:42:40,460 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2018-12-30 19:42:40,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-12-30 19:42:40,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-12-30 19:42:40,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-12-30 19:42:40,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 264 transitions. [2018-12-30 19:42:40,517 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 264 transitions. Word has length 132 [2018-12-30 19:42:40,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:42:40,518 INFO L480 AbstractCegarLoop]: Abstraction has 193 states and 264 transitions. [2018-12-30 19:42:40,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-30 19:42:40,518 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 264 transitions. [2018-12-30 19:42:40,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-30 19:42:40,521 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:42:40,521 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-30 19:42:40,522 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:42:40,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:42:40,522 INFO L82 PathProgramCache]: Analyzing trace with hash 2043578231, now seen corresponding path program 1 times [2018-12-30 19:42:40,522 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:42:40,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:42:40,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:40,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:42:40,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:42:40,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:42:40,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:42:40,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:42:40,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:42:40,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:42:40,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:42:40,888 INFO L87 Difference]: Start difference. First operand 193 states and 264 transitions. Second operand 4 states. [2018-12-30 19:42:41,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:42:41,948 INFO L93 Difference]: Finished difference Result 588 states and 859 transitions. [2018-12-30 19:42:41,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:42:41,949 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2018-12-30 19:42:41,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:42:41,957 INFO L225 Difference]: With dead ends: 588 [2018-12-30 19:42:41,957 INFO L226 Difference]: Without dead ends: 455 [2018-12-30 19:42:41,962 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:42:41,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-12-30 19:42:42,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 324. [2018-12-30 19:42:42,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-12-30 19:42:42,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 437 transitions. [2018-12-30 19:42:42,010 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 437 transitions. Word has length 136 [2018-12-30 19:42:42,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:42:42,011 INFO L480 AbstractCegarLoop]: Abstraction has 324 states and 437 transitions. [2018-12-30 19:42:42,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:42:42,011 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 437 transitions. [2018-12-30 19:42:42,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-30 19:42:42,018 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:42:42,018 INFO L402 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] [2018-12-30 19:42:42,019 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:42:42,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:42:42,019 INFO L82 PathProgramCache]: Analyzing trace with hash -881669038, now seen corresponding path program 1 times [2018-12-30 19:42:42,019 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:42:42,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:42:42,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:42,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:42:42,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:42:42,290 WARN L181 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-30 19:42:42,546 WARN L181 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-12-30 19:42:42,686 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:42:42,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:42:42,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:42:42,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:42:42,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:42:42,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:42:42,689 INFO L87 Difference]: Start difference. First operand 324 states and 437 transitions. Second operand 4 states. [2018-12-30 19:42:44,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:42:44,283 INFO L93 Difference]: Finished difference Result 814 states and 1168 transitions. [2018-12-30 19:42:44,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:42:44,284 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2018-12-30 19:42:44,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:42:44,288 INFO L225 Difference]: With dead ends: 814 [2018-12-30 19:42:44,288 INFO L226 Difference]: Without dead ends: 455 [2018-12-30 19:42:44,290 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:42:44,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-12-30 19:42:44,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2018-12-30 19:42:44,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-12-30 19:42:44,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 536 transitions. [2018-12-30 19:42:44,310 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 536 transitions. Word has length 139 [2018-12-30 19:42:44,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:42:44,311 INFO L480 AbstractCegarLoop]: Abstraction has 455 states and 536 transitions. [2018-12-30 19:42:44,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:42:44,311 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 536 transitions. [2018-12-30 19:42:44,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-30 19:42:44,315 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:42:44,315 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-12-30 19:42:44,315 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:42:44,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:42:44,316 INFO L82 PathProgramCache]: Analyzing trace with hash 259765648, now seen corresponding path program 1 times [2018-12-30 19:42:44,316 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:42:44,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:42:44,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:44,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:42:44,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:42:44,474 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-30 19:42:44,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:42:44,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:42:44,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:42:44,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:42:44,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:42:44,476 INFO L87 Difference]: Start difference. First operand 455 states and 536 transitions. Second operand 3 states. [2018-12-30 19:42:45,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:42:45,030 INFO L93 Difference]: Finished difference Result 981 states and 1171 transitions. [2018-12-30 19:42:45,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:42:45,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2018-12-30 19:42:45,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:42:45,035 INFO L225 Difference]: With dead ends: 981 [2018-12-30 19:42:45,035 INFO L226 Difference]: Without dead ends: 586 [2018-12-30 19:42:45,036 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:42:45,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2018-12-30 19:42:45,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 586. [2018-12-30 19:42:45,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2018-12-30 19:42:45,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 676 transitions. [2018-12-30 19:42:45,053 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 676 transitions. Word has length 147 [2018-12-30 19:42:45,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:42:45,054 INFO L480 AbstractCegarLoop]: Abstraction has 586 states and 676 transitions. [2018-12-30 19:42:45,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:42:45,054 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 676 transitions. [2018-12-30 19:42:45,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-30 19:42:45,057 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:42:45,057 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:42:45,057 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:42:45,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:42:45,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1638488070, now seen corresponding path program 1 times [2018-12-30 19:42:45,058 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:42:45,058 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:42:45,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:45,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:42:45,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:42:45,210 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:42:45,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:42:45,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:42:45,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-30 19:42:45,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-30 19:42:45,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-30 19:42:45,211 INFO L87 Difference]: Start difference. First operand 586 states and 676 transitions. Second operand 5 states. [2018-12-30 19:42:47,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:42:47,651 INFO L93 Difference]: Finished difference Result 1898 states and 2221 transitions. [2018-12-30 19:42:47,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-30 19:42:47,652 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 151 [2018-12-30 19:42:47,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:42:47,659 INFO L225 Difference]: With dead ends: 1898 [2018-12-30 19:42:47,659 INFO L226 Difference]: Without dead ends: 1372 [2018-12-30 19:42:47,661 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-30 19:42:47,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2018-12-30 19:42:47,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 1241. [2018-12-30 19:42:47,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1241 states. [2018-12-30 19:42:47,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1410 transitions. [2018-12-30 19:42:47,690 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1410 transitions. Word has length 151 [2018-12-30 19:42:47,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:42:47,690 INFO L480 AbstractCegarLoop]: Abstraction has 1241 states and 1410 transitions. [2018-12-30 19:42:47,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-30 19:42:47,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1410 transitions. [2018-12-30 19:42:47,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-30 19:42:47,695 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:42:47,695 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:42:47,696 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:42:47,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:42:47,696 INFO L82 PathProgramCache]: Analyzing trace with hash -356244793, now seen corresponding path program 1 times [2018-12-30 19:42:47,696 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:42:47,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:42:47,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:47,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:42:47,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:42:48,000 WARN L181 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-12-30 19:42:48,259 WARN L181 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-30 19:42:48,492 WARN L181 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-12-30 19:42:48,945 WARN L181 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-12-30 19:42:49,873 WARN L181 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-30 19:42:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:42:50,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:42:50,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-30 19:42:50,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-30 19:42:50,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-30 19:42:50,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2018-12-30 19:42:50,343 INFO L87 Difference]: Start difference. First operand 1241 states and 1410 transitions. Second operand 12 states. [2018-12-30 19:42:52,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:42:52,603 INFO L93 Difference]: Finished difference Result 2794 states and 3292 transitions. [2018-12-30 19:42:52,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-30 19:42:52,604 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 169 [2018-12-30 19:42:52,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:42:52,613 INFO L225 Difference]: With dead ends: 2794 [2018-12-30 19:42:52,613 INFO L226 Difference]: Without dead ends: 1579 [2018-12-30 19:42:52,616 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=115, Invalid=157, Unknown=0, NotChecked=0, Total=272 [2018-12-30 19:42:52,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2018-12-30 19:42:52,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 1538. [2018-12-30 19:42:52,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1538 states. [2018-12-30 19:42:52,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 1741 transitions. [2018-12-30 19:42:52,653 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 1741 transitions. Word has length 169 [2018-12-30 19:42:52,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:42:52,653 INFO L480 AbstractCegarLoop]: Abstraction has 1538 states and 1741 transitions. [2018-12-30 19:42:52,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-30 19:42:52,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1741 transitions. [2018-12-30 19:42:52,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-12-30 19:42:52,660 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:42:52,660 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:42:52,660 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:42:52,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:42:52,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1261625852, now seen corresponding path program 1 times [2018-12-30 19:42:52,662 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:42:52,662 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:42:52,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:52,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:42:52,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:42:53,005 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-30 19:42:53,005 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-30 19:42:53,005 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 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 [2018-12-30 19:42:53,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:42:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:42:53,172 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 19:42:53,359 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-30 19:42:53,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-30 19:42:53,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-12-30 19:42:53,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-30 19:42:53,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-30 19:42:53,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-30 19:42:53,392 INFO L87 Difference]: Start difference. First operand 1538 states and 1741 transitions. Second operand 8 states. [2018-12-30 19:42:57,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:42:57,785 INFO L93 Difference]: Finished difference Result 3802 states and 4356 transitions. [2018-12-30 19:42:57,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-30 19:42:57,786 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 195 [2018-12-30 19:42:57,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:42:57,798 INFO L225 Difference]: With dead ends: 3802 [2018-12-30 19:42:57,798 INFO L226 Difference]: Without dead ends: 2324 [2018-12-30 19:42:57,801 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 196 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2018-12-30 19:42:57,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2324 states. [2018-12-30 19:42:57,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2324 to 2062. [2018-12-30 19:42:57,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2062 states. [2018-12-30 19:42:57,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 2337 transitions. [2018-12-30 19:42:57,852 INFO L78 Accepts]: Start accepts. Automaton has 2062 states and 2337 transitions. Word has length 195 [2018-12-30 19:42:57,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:42:57,853 INFO L480 AbstractCegarLoop]: Abstraction has 2062 states and 2337 transitions. [2018-12-30 19:42:57,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-30 19:42:57,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2337 transitions. [2018-12-30 19:42:57,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-12-30 19:42:57,861 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:42:57,861 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-30 19:42:57,861 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:42:57,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:42:57,863 INFO L82 PathProgramCache]: Analyzing trace with hash 435706005, now seen corresponding path program 1 times [2018-12-30 19:42:57,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:42:57,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:42:57,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:57,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:42:57,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:42:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:42:58,380 WARN L181 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-12-30 19:42:58,544 WARN L181 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-12-30 19:42:58,809 WARN L181 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-12-30 19:42:59,575 WARN L181 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 24 [2018-12-30 19:42:59,798 WARN L181 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2018-12-30 19:43:00,008 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 155 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:43:00,009 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-30 19:43:00,009 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-30 19:43:00,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:43:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:43:00,100 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 19:43:00,209 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-30 19:43:00,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-30 19:43:00,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2018-12-30 19:43:00,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-30 19:43:00,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-30 19:43:00,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-12-30 19:43:00,231 INFO L87 Difference]: Start difference. First operand 2062 states and 2337 transitions. Second operand 10 states. [2018-12-30 19:43:02,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:43:02,775 INFO L93 Difference]: Finished difference Result 5378 states and 6104 transitions. [2018-12-30 19:43:02,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-30 19:43:02,776 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 247 [2018-12-30 19:43:02,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:43:02,777 INFO L225 Difference]: With dead ends: 5378 [2018-12-30 19:43:02,777 INFO L226 Difference]: Without dead ends: 0 [2018-12-30 19:43:02,784 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2018-12-30 19:43:02,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-30 19:43:02,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-30 19:43:02,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-30 19:43:02,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-30 19:43:02,785 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 247 [2018-12-30 19:43:02,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:43:02,785 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-30 19:43:02,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-30 19:43:02,785 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-30 19:43:02,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-30 19:43:02,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-30 19:43:02,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:43:02,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:43:03,068 WARN L181 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 29 [2018-12-30 19:43:03,161 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-30 19:43:03,162 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-30 19:43:03,162 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,162 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,162 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,162 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,162 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,163 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,163 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-30 19:43:03,163 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-30 19:43:03,163 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-30 19:43:03,163 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-30 19:43:03,163 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-30 19:43:03,163 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-30 19:43:03,163 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-30 19:43:03,163 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-30 19:43:03,163 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-30 19:43:03,164 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-30 19:43:03,164 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,164 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,164 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,164 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,164 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,164 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,164 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-30 19:43:03,164 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-30 19:43:03,164 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-30 19:43:03,164 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-30 19:43:03,165 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-30 19:43:03,165 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-30 19:43:03,165 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-30 19:43:03,165 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-30 19:43:03,165 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-30 19:43:03,165 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-30 19:43:03,165 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-30 19:43:03,165 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-30 19:43:03,165 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-30 19:43:03,165 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-30 19:43:03,166 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-30 19:43:03,166 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,166 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,166 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,166 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,166 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,166 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-30 19:43:03,166 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-30 19:43:03,167 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-30 19:43:03,167 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-30 19:43:03,167 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-30 19:43:03,167 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-30 19:43:03,167 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-30 19:43:03,167 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-30 19:43:03,167 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-30 19:43:03,168 INFO L444 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse0 (= ~a7~0 1)) (.cse1 (= ~a12~0 8)) (.cse2 (= ~a21~0 1)) (.cse3 (= ~a20~0 1))) (or (and (not .cse0) (= ~a8~0 15) .cse1 .cse2) (and .cse0 .cse1 .cse3) (and (= ~a17~0 1) .cse1 .cse2 .cse3) (and (not .cse3) (<= 14 ~a8~0) (= ~a16~0 5)) (<= ~a16~0 4))) [2018-12-30 19:43:03,168 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,168 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,168 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,168 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,168 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,168 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-30 19:43:03,169 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-30 19:43:03,169 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-30 19:43:03,169 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-30 19:43:03,169 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-30 19:43:03,169 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-30 19:43:03,169 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-30 19:43:03,169 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-30 19:43:03,169 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-30 19:43:03,169 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-30 19:43:03,170 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-30 19:43:03,170 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-30 19:43:03,170 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-30 19:43:03,170 INFO L451 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-12-30 19:43:03,170 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,170 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,170 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,170 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,170 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,170 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-30 19:43:03,171 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-30 19:43:03,171 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-30 19:43:03,171 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-30 19:43:03,171 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-30 19:43:03,171 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-30 19:43:03,171 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-30 19:43:03,171 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-30 19:43:03,171 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 572) no Hoare annotation was computed. [2018-12-30 19:43:03,171 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-30 19:43:03,172 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,172 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,172 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,172 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,172 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-30 19:43:03,172 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,172 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-30 19:43:03,172 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-30 19:43:03,172 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-30 19:43:03,173 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-30 19:43:03,173 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-30 19:43:03,173 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-30 19:43:03,173 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-30 19:43:03,173 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-30 19:43:03,173 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-30 19:43:03,173 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-30 19:43:03,173 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-30 19:43:03,173 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-30 19:43:03,173 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-30 19:43:03,173 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-30 19:43:03,174 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,174 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a7~0 1)) (.cse1 (= ~a12~0 8)) (.cse2 (= ~a21~0 1)) (.cse3 (= ~a20~0 1))) (or (and (not .cse0) (= ~a8~0 15) .cse1 .cse2) (and .cse0 .cse1 .cse3) (and (= ~a17~0 1) .cse1 .cse2 .cse3) (and (not .cse3) (<= 14 ~a8~0) (= ~a16~0 5)) (<= ~a16~0 4))) [2018-12-30 19:43:03,174 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,174 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,174 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,174 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,174 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-30 19:43:03,174 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-30 19:43:03,174 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-30 19:43:03,175 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-30 19:43:03,175 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-30 19:43:03,175 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-30 19:43:03,175 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-30 19:43:03,175 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-30 19:43:03,175 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,175 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,175 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,175 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,175 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,176 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-30 19:43:03,176 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-30 19:43:03,176 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-30 19:43:03,176 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-30 19:43:03,176 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-30 19:43:03,176 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-30 19:43:03,176 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-30 19:43:03,176 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-30 19:43:03,176 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-30 19:43:03,176 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-30 19:43:03,177 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-30 19:43:03,177 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-30 19:43:03,177 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-30 19:43:03,177 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,177 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,177 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,177 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,177 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-30 19:43:03,177 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,177 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,178 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-30 19:43:03,178 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-30 19:43:03,178 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-30 19:43:03,178 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-30 19:43:03,178 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-30 19:43:03,178 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-30 19:43:03,178 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-30 19:43:03,178 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-30 19:43:03,178 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-30 19:43:03,178 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-30 19:43:03,178 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-30 19:43:03,179 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-30 19:43:03,179 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-30 19:43:03,179 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,179 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,179 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,179 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,179 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,179 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-30 19:43:03,179 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,180 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-30 19:43:03,180 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-30 19:43:03,180 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-30 19:43:03,180 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-30 19:43:03,180 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-30 19:43:03,180 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-30 19:43:03,180 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-30 19:43:03,180 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-30 19:43:03,180 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-30 19:43:03,180 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-30 19:43:03,180 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-30 19:43:03,181 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-30 19:43:03,181 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-30 19:43:03,181 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-30 19:43:03,181 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-30 19:43:03,181 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,181 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,181 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,181 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,181 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,181 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-30 19:43:03,182 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-30 19:43:03,182 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-30 19:43:03,182 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-30 19:43:03,182 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-30 19:43:03,182 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-30 19:43:03,182 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-30 19:43:03,182 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-30 19:43:03,182 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-30 19:43:03,182 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-30 19:43:03,182 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-30 19:43:03,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 07:43:03 BoogieIcfgContainer [2018-12-30 19:43:03,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 19:43:03,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 19:43:03,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 19:43:03,225 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 19:43:03,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:42:35" (3/4) ... [2018-12-30 19:43:03,232 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-30 19:43:03,257 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-30 19:43:03,259 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-30 19:43:03,526 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-30 19:43:03,526 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 19:43:03,532 INFO L168 Benchmark]: Toolchain (without parser) took 32248.97 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 486.5 MB). Free memory was 944.7 MB in the beginning and 1.5 GB in the end (delta: -514.7 MB). Peak memory consumption was 538.0 MB. Max. memory is 11.5 GB. [2018-12-30 19:43:03,532 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 19:43:03,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.01 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 912.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-30 19:43:03,533 INFO L168 Benchmark]: Boogie Procedure Inliner took 190.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -211.6 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-12-30 19:43:03,534 INFO L168 Benchmark]: Boogie Preprocessor took 102.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-30 19:43:03,534 INFO L168 Benchmark]: RCFGBuilder took 3487.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.4 MB). Peak memory consumption was 105.4 MB. Max. memory is 11.5 GB. [2018-12-30 19:43:03,534 INFO L168 Benchmark]: TraceAbstraction took 27440.94 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 257.4 MB). Free memory was 1.0 GB in the beginning and 801.4 MB in the end (delta: 210.5 MB). Peak memory consumption was 467.9 MB. Max. memory is 11.5 GB. [2018-12-30 19:43:03,535 INFO L168 Benchmark]: Witness Printer took 301.80 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 91.8 MB). Free memory was 801.4 MB in the beginning and 1.5 GB in the end (delta: -657.9 MB). Peak memory consumption was 8.2 kB. Max. memory is 11.5 GB. [2018-12-30 19:43:03,538 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 715.01 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 912.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 190.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -211.6 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 102.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3487.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.4 MB). Peak memory consumption was 105.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27440.94 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 257.4 MB). Free memory was 1.0 GB in the beginning and 801.4 MB in the end (delta: 210.5 MB). Peak memory consumption was 467.9 MB. Max. memory is 11.5 GB. * Witness Printer took 301.80 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 91.8 MB). Free memory was 801.4 MB in the beginning and 1.5 GB in the end (delta: -657.9 MB). Peak memory consumption was 8.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 572]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((!(a7 == 1) && a8 == 15) && a12 == 8) && a21 == 1) || ((a7 == 1 && a12 == 8) && a20 == 1)) || (((a17 == 1 && a12 == 8) && a21 == 1) && a20 == 1)) || ((!(a20 == 1) && 14 <= a8) && a16 == 5)) || a16 <= 4 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((!(a7 == 1) && a8 == 15) && a12 == 8) && a21 == 1) || ((a7 == 1 && a12 == 8) && a20 == 1)) || (((a17 == 1 && a12 == 8) && a21 == 1) && a20 == 1)) || ((!(a20 == 1) && 14 <= a8) && a16 == 5)) || a16 <= 4 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 27.2s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 17.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 646 SDtfs, 3281 SDslu, 204 SDs, 0 SdLazy, 7815 SolverSat, 949 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 516 GetRequests, 453 SyntacticMatches, 6 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2062occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 565 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 64 NumberOfFragments, 105 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1873 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 188 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 1758 NumberOfCodeBlocks, 1758 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1748 ConstructedInterpolants, 0 QuantifiedInterpolants, 2099189 SizeOfPredicates, 2 NumberOfNonLiveVariables, 726 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 596/659 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...