./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem10_label30_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e 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/Problem10_label30_true-unreach-call.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 5e9f687b42339afcb86609638d702908304a6728 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 17:03:00,163 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:03:00,167 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:03:00,183 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:03:00,183 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:03:00,184 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:03:00,188 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:03:00,190 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:03:00,193 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:03:00,194 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:03:00,195 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:03:00,197 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:03:00,198 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:03:00,199 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:03:00,200 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:03:00,201 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:03:00,202 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:03:00,204 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:03:00,206 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:03:00,207 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:03:00,208 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:03:00,210 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:03:00,213 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:03:00,213 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:03:00,213 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:03:00,214 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:03:00,215 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:03:00,216 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:03:00,217 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:03:00,218 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:03:00,218 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:03:00,219 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:03:00,219 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:03:00,219 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:03:00,220 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:03:00,221 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:03:00,221 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 17:03:00,239 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:03:00,240 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:03:00,241 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:03:00,241 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:03:00,242 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:03:00,242 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:03:00,242 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:03:00,242 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:03:00,244 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:03:00,244 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 17:03:00,244 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:03:00,244 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:03:00,244 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:03:00,244 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:03:00,245 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:03:00,245 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:03:00,245 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:03:00,245 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:03:00,245 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:03:00,245 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:03:00,248 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:03:00,248 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:03:00,248 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:03:00,248 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:03:00,248 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:03:00,249 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:03:00,249 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:03:00,249 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 17:03:00,249 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:03:00,249 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 17:03:00,249 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 -> 5e9f687b42339afcb86609638d702908304a6728 [2018-11-28 17:03:00,291 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:03:00,309 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:03:00,316 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:03:00,318 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:03:00,318 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:03:00,319 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem10_label30_true-unreach-call.c [2018-11-28 17:03:00,390 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee287b576/c011367b68304b3d8eec54149dae95a6/FLAG4b0173923 [2018-11-28 17:03:00,951 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:03:00,951 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem10_label30_true-unreach-call.c [2018-11-28 17:03:00,967 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee287b576/c011367b68304b3d8eec54149dae95a6/FLAG4b0173923 [2018-11-28 17:03:01,185 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee287b576/c011367b68304b3d8eec54149dae95a6 [2018-11-28 17:03:01,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:03:01,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:03:01,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:03:01,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:03:01,199 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:03:01,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:03:01" (1/1) ... [2018-11-28 17:03:01,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@296b674b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:01, skipping insertion in model container [2018-11-28 17:03:01,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:03:01" (1/1) ... [2018-11-28 17:03:01,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:03:01,281 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:03:01,805 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:03:01,813 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:03:01,952 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:03:01,971 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:03:01,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:01 WrapperNode [2018-11-28 17:03:01,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:03:01,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:03:01,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:03:01,974 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:03:01,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:01" (1/1) ... [2018-11-28 17:03:02,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:01" (1/1) ... [2018-11-28 17:03:02,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:03:02,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:03:02,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:03:02,097 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:03:02,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:01" (1/1) ... [2018-11-28 17:03:02,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:01" (1/1) ... [2018-11-28 17:03:02,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:01" (1/1) ... [2018-11-28 17:03:02,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:01" (1/1) ... [2018-11-28 17:03:02,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:01" (1/1) ... [2018-11-28 17:03:02,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:01" (1/1) ... [2018-11-28 17:03:02,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:01" (1/1) ... [2018-11-28 17:03:02,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:03:02,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:03:02,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:03:02,184 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:03:02,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:03:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:03:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:03:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 17:03:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 17:03:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:03:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:03:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:03:02,266 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:03:05,383 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:03:05,384 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 17:03:05,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:03:05 BoogieIcfgContainer [2018-11-28 17:03:05,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:03:05,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:03:05,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:03:05,390 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:03:05,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:03:01" (1/3) ... [2018-11-28 17:03:05,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59e17377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:03:05, skipping insertion in model container [2018-11-28 17:03:05,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:01" (2/3) ... [2018-11-28 17:03:05,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59e17377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:03:05, skipping insertion in model container [2018-11-28 17:03:05,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:03:05" (3/3) ... [2018-11-28 17:03:05,395 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label30_true-unreach-call.c [2018-11-28 17:03:05,405 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:03:05,414 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:03:05,433 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:03:05,470 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:03:05,471 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:03:05,472 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:03:05,472 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:03:05,472 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:03:05,472 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:03:05,473 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:03:05,473 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:03:05,473 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:03:05,501 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-11-28 17:03:05,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-28 17:03:05,510 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:03:05,511 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] [2018-11-28 17:03:05,514 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:03:05,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:03:05,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1422134543, now seen corresponding path program 1 times [2018-11-28 17:03:05,521 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:03:05,522 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:03:05,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:05,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:03:05,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:03:05,986 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 17:03:06,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:03:06,024 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:03:06,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 17:03:06,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 17:03:06,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 17:03:06,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 17:03:06,049 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-11-28 17:03:07,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:03:07,494 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-11-28 17:03:07,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 17:03:07,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-11-28 17:03:07,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:03:07,515 INFO L225 Difference]: With dead ends: 571 [2018-11-28 17:03:07,516 INFO L226 Difference]: Without dead ends: 294 [2018-11-28 17:03:07,526 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 17:03:07,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-11-28 17:03:07,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2018-11-28 17:03:07,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-11-28 17:03:07,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2018-11-28 17:03:07,605 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 40 [2018-11-28 17:03:07,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:03:07,606 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2018-11-28 17:03:07,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 17:03:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2018-11-28 17:03:07,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-28 17:03:07,613 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:03:07,613 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:03:07,613 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:03:07,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:03:07,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1223819674, now seen corresponding path program 1 times [2018-11-28 17:03:07,614 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:03:07,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:03:07,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:07,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:03:07,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:03:07,894 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:03:07,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:03:07,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 17:03:07,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 17:03:07,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 17:03:07,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 17:03:07,898 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 5 states. [2018-11-28 17:03:09,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:03:09,867 INFO L93 Difference]: Finished difference Result 888 states and 1367 transitions. [2018-11-28 17:03:09,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 17:03:09,868 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2018-11-28 17:03:09,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:03:09,879 INFO L225 Difference]: With dead ends: 888 [2018-11-28 17:03:09,879 INFO L226 Difference]: Without dead ends: 600 [2018-11-28 17:03:09,886 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 17:03:09,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2018-11-28 17:03:09,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 447. [2018-11-28 17:03:09,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2018-11-28 17:03:09,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 661 transitions. [2018-11-28 17:03:09,939 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 661 transitions. Word has length 122 [2018-11-28 17:03:09,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:03:09,940 INFO L480 AbstractCegarLoop]: Abstraction has 447 states and 661 transitions. [2018-11-28 17:03:09,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 17:03:09,940 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 661 transitions. [2018-11-28 17:03:09,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-28 17:03:09,945 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:03:09,945 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:03:09,945 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:03:09,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:03:09,946 INFO L82 PathProgramCache]: Analyzing trace with hash 865845370, now seen corresponding path program 1 times [2018-11-28 17:03:09,947 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:03:09,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:03:09,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:09,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:03:09,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:03:10,231 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:03:10,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:03:10,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 17:03:10,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 17:03:10,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 17:03:10,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 17:03:10,233 INFO L87 Difference]: Start difference. First operand 447 states and 661 transitions. Second operand 6 states. [2018-11-28 17:03:11,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:03:11,489 INFO L93 Difference]: Finished difference Result 1200 states and 1824 transitions. [2018-11-28 17:03:11,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 17:03:11,490 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-11-28 17:03:11,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:03:11,496 INFO L225 Difference]: With dead ends: 1200 [2018-11-28 17:03:11,497 INFO L226 Difference]: Without dead ends: 759 [2018-11-28 17:03:11,498 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 17:03:11,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2018-11-28 17:03:11,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 745. [2018-11-28 17:03:11,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2018-11-28 17:03:11,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1096 transitions. [2018-11-28 17:03:11,547 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1096 transitions. Word has length 138 [2018-11-28 17:03:11,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:03:11,548 INFO L480 AbstractCegarLoop]: Abstraction has 745 states and 1096 transitions. [2018-11-28 17:03:11,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 17:03:11,548 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1096 transitions. [2018-11-28 17:03:11,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-28 17:03:11,554 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:03:11,554 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:03:11,554 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:03:11,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:03:11,555 INFO L82 PathProgramCache]: Analyzing trace with hash 52272842, now seen corresponding path program 1 times [2018-11-28 17:03:11,555 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:03:11,555 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:03:11,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:11,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:03:11,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:03:11,807 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:03:11,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:03:11,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 17:03:11,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 17:03:11,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 17:03:11,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 17:03:11,809 INFO L87 Difference]: Start difference. First operand 745 states and 1096 transitions. Second operand 6 states. [2018-11-28 17:03:14,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:03:14,817 INFO L93 Difference]: Finished difference Result 1814 states and 2766 transitions. [2018-11-28 17:03:14,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 17:03:14,819 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2018-11-28 17:03:14,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:03:14,833 INFO L225 Difference]: With dead ends: 1814 [2018-11-28 17:03:14,833 INFO L226 Difference]: Without dead ends: 1075 [2018-11-28 17:03:14,835 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 17:03:14,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2018-11-28 17:03:14,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 1047. [2018-11-28 17:03:14,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2018-11-28 17:03:14,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1430 transitions. [2018-11-28 17:03:14,893 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1430 transitions. Word has length 162 [2018-11-28 17:03:14,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:03:14,894 INFO L480 AbstractCegarLoop]: Abstraction has 1047 states and 1430 transitions. [2018-11-28 17:03:14,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 17:03:14,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1430 transitions. [2018-11-28 17:03:14,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-28 17:03:14,899 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:03:14,899 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:03:14,901 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:03:14,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:03:14,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1574410488, now seen corresponding path program 1 times [2018-11-28 17:03:14,901 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:03:14,902 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:03:14,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:14,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:03:14,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:03:15,378 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 17:03:15,564 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-28 17:03:16,040 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 143 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:03:16,040 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 17:03:16,040 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 [2018-11-28 17:03:16,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:03:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:03:16,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:03:16,663 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 143 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:03:16,701 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 17:03:16,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 15 [2018-11-28 17:03:16,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 17:03:16,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 17:03:16,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-11-28 17:03:16,707 INFO L87 Difference]: Start difference. First operand 1047 states and 1430 transitions. Second operand 15 states. [2018-11-28 17:03:17,172 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2018-11-28 17:03:18,565 WARN L180 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2018-11-28 17:03:18,938 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2018-11-28 17:03:19,494 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2018-11-28 17:03:24,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:03:24,087 INFO L93 Difference]: Finished difference Result 3079 states and 4604 transitions. [2018-11-28 17:03:24,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-28 17:03:24,088 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 201 [2018-11-28 17:03:24,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:03:24,102 INFO L225 Difference]: With dead ends: 3079 [2018-11-28 17:03:24,102 INFO L226 Difference]: Without dead ends: 1868 [2018-11-28 17:03:24,107 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=457, Invalid=1435, Unknown=0, NotChecked=0, Total=1892 [2018-11-28 17:03:24,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1868 states. [2018-11-28 17:03:24,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1868 to 1502. [2018-11-28 17:03:24,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1502 states. [2018-11-28 17:03:24,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1502 states and 1948 transitions. [2018-11-28 17:03:24,226 INFO L78 Accepts]: Start accepts. Automaton has 1502 states and 1948 transitions. Word has length 201 [2018-11-28 17:03:24,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:03:24,228 INFO L480 AbstractCegarLoop]: Abstraction has 1502 states and 1948 transitions. [2018-11-28 17:03:24,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 17:03:24,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1948 transitions. [2018-11-28 17:03:24,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-28 17:03:24,233 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:03:24,234 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:03:24,234 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:03:24,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:03:24,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1055956540, now seen corresponding path program 1 times [2018-11-28 17:03:24,236 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:03:24,236 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:03:24,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:24,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:03:24,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:03:24,596 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 66 proven. 73 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 17:03:24,597 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 17:03:24,597 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 [2018-11-28 17:03:24,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:03:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:03:24,705 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:03:24,803 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-28 17:03:24,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 17:03:24,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-28 17:03:24,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 17:03:24,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 17:03:24,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 17:03:24,824 INFO L87 Difference]: Start difference. First operand 1502 states and 1948 transitions. Second operand 6 states. [2018-11-28 17:03:26,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:03:26,059 INFO L93 Difference]: Finished difference Result 3024 states and 3948 transitions. [2018-11-28 17:03:26,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 17:03:26,062 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 215 [2018-11-28 17:03:26,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:03:26,070 INFO L225 Difference]: With dead ends: 3024 [2018-11-28 17:03:26,070 INFO L226 Difference]: Without dead ends: 1673 [2018-11-28 17:03:26,074 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 217 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 17:03:26,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2018-11-28 17:03:26,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1504. [2018-11-28 17:03:26,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1504 states. [2018-11-28 17:03:26,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1504 states and 1944 transitions. [2018-11-28 17:03:26,125 INFO L78 Accepts]: Start accepts. Automaton has 1504 states and 1944 transitions. Word has length 215 [2018-11-28 17:03:26,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:03:26,126 INFO L480 AbstractCegarLoop]: Abstraction has 1504 states and 1944 transitions. [2018-11-28 17:03:26,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 17:03:26,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 1944 transitions. [2018-11-28 17:03:26,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-28 17:03:26,132 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:03:26,133 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:03:26,133 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:03:26,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:03:26,133 INFO L82 PathProgramCache]: Analyzing trace with hash -878759303, now seen corresponding path program 1 times [2018-11-28 17:03:26,134 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:03:26,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:03:26,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:26,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:03:26,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:03:26,676 WARN L180 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 12 [2018-11-28 17:03:27,280 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2018-11-28 17:03:27,539 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 116 proven. 196 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 17:03:27,540 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 17:03:27,540 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 17:03:27,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:03:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:03:27,659 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:03:27,838 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 280 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-28 17:03:27,858 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 17:03:27,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 18 [2018-11-28 17:03:27,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-28 17:03:27,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-28 17:03:27,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2018-11-28 17:03:27,860 INFO L87 Difference]: Start difference. First operand 1504 states and 1944 transitions. Second operand 18 states. [2018-11-28 17:03:37,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:03:37,442 INFO L93 Difference]: Finished difference Result 5372 states and 7409 transitions. [2018-11-28 17:03:37,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-28 17:03:37,443 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 285 [2018-11-28 17:03:37,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:03:37,444 INFO L225 Difference]: With dead ends: 5372 [2018-11-28 17:03:37,444 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 17:03:37,457 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 313 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=524, Invalid=2232, Unknown=0, NotChecked=0, Total=2756 [2018-11-28 17:03:37,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 17:03:37,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 17:03:37,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 17:03:37,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 17:03:37,458 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 285 [2018-11-28 17:03:37,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:03:37,458 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 17:03:37,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-28 17:03:37,458 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 17:03:37,458 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 17:03:37,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 17:03:37,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,791 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 106 [2018-11-28 17:03:37,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:03:37,923 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 106 [2018-11-28 17:03:38,338 WARN L180 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 21 [2018-11-28 17:03:39,142 WARN L180 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2018-11-28 17:03:40,065 WARN L180 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 43 [2018-11-28 17:03:40,701 WARN L180 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 57 [2018-11-28 17:03:41,203 WARN L180 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 57 [2018-11-28 17:03:41,206 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:03:41,207 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-28 17:03:41,207 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:03:41,207 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-28 17:03:41,207 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,207 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,207 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,208 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,208 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,208 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,208 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-28 17:03:41,208 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-28 17:03:41,208 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-28 17:03:41,208 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-28 17:03:41,208 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-28 17:03:41,208 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-28 17:03:41,208 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-28 17:03:41,209 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-28 17:03:41,209 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-28 17:03:41,209 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-28 17:03:41,209 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-28 17:03:41,209 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,209 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,209 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,209 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,209 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,209 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-28 17:03:41,210 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-28 17:03:41,210 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-28 17:03:41,210 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-28 17:03:41,210 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-28 17:03:41,210 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-28 17:03:41,210 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-28 17:03:41,210 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-28 17:03:41,210 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-28 17:03:41,210 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-28 17:03:41,210 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-28 17:03:41,211 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-28 17:03:41,211 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-28 17:03:41,211 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-28 17:03:41,211 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,211 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,211 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,211 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,211 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,212 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-28 17:03:41,212 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-28 17:03:41,212 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-28 17:03:41,212 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-28 17:03:41,212 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-28 17:03:41,212 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-28 17:03:41,212 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-28 17:03:41,212 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-28 17:03:41,212 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-28 17:03:41,212 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-28 17:03:41,213 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,213 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,213 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,213 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,213 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,213 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2018-11-28 17:03:41,213 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-28 17:03:41,213 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-28 17:03:41,213 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-28 17:03:41,214 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-28 17:03:41,214 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-28 17:03:41,214 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-28 17:03:41,214 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-28 17:03:41,214 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-28 17:03:41,214 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-28 17:03:41,214 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-28 17:03:41,214 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-28 17:03:41,214 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-28 17:03:41,214 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-28 17:03:41,215 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,215 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,215 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,215 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,215 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,215 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-28 17:03:41,215 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-28 17:03:41,215 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-28 17:03:41,215 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-28 17:03:41,223 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-28 17:03:41,224 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-28 17:03:41,224 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-28 17:03:41,224 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-28 17:03:41,224 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-28 17:03:41,224 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,224 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,224 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,224 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,224 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,225 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,225 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,225 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-28 17:03:41,225 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-28 17:03:41,225 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-28 17:03:41,225 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-28 17:03:41,225 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-28 17:03:41,225 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-28 17:03:41,225 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-28 17:03:41,225 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-28 17:03:41,225 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-28 17:03:41,226 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-28 17:03:41,227 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-28 17:03:41,227 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-28 17:03:41,227 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-28 17:03:41,227 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,227 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,227 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,227 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,228 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-28 17:03:41,231 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,231 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,231 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-28 17:03:41,231 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-28 17:03:41,231 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-28 17:03:41,231 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-28 17:03:41,231 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-28 17:03:41,231 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-28 17:03:41,232 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-28 17:03:41,232 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-28 17:03:41,232 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-28 17:03:41,232 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-28 17:03:41,232 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-28 17:03:41,232 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-28 17:03:41,232 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-28 17:03:41,232 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,232 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,232 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,232 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,233 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,233 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,233 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-28 17:03:41,233 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-28 17:03:41,233 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-28 17:03:41,233 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-28 17:03:41,233 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-28 17:03:41,233 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-28 17:03:41,233 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-28 17:03:41,233 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-28 17:03:41,233 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-28 17:03:41,234 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-28 17:03:41,234 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-28 17:03:41,234 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse5 (= |old(~a10~0)| ~a10~0)) (.cse6 (= ~a1~0 |old(~a1~0)|))) (let ((.cse0 (and (= ~a19~0 |old(~a19~0)|) .cse5 .cse6)) (.cse2 (= 10 |old(~a19~0)|)) (.cse1 (= 7 |old(~a19~0)|)) (.cse3 (not (= 14 ~a4~0))) (.cse4 (not (= 0 ~a12~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< 1 |old(~a10~0)|) .cse3 .cse4 .cse0) (or .cse0 (or (< 23 |old(~a1~0)|) .cse2 .cse3 .cse4)) (or (not .cse1) .cse3 .cse4 (< 218 |old(~a1~0)|) (and (= 7 ~a19~0) .cse5 .cse6) (not (= 2 |old(~a10~0)|)))))) [2018-11-28 17:03:41,235 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-28 17:03:41,235 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-28 17:03:41,235 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-28 17:03:41,235 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,235 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,235 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,235 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,235 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,235 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,235 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-28 17:03:41,235 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-28 17:03:41,237 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-28 17:03:41,237 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-28 17:03:41,237 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-28 17:03:41,237 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-28 17:03:41,237 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-28 17:03:41,237 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-28 17:03:41,237 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-28 17:03:41,237 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-28 17:03:41,238 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-28 17:03:41,238 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-28 17:03:41,238 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-28 17:03:41,238 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,238 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,238 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,238 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,238 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,238 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,238 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-28 17:03:41,238 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-28 17:03:41,239 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-28 17:03:41,239 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-28 17:03:41,239 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-28 17:03:41,239 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-28 17:03:41,239 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-28 17:03:41,239 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-28 17:03:41,239 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-28 17:03:41,239 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-28 17:03:41,239 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-28 17:03:41,239 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-28 17:03:41,240 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,240 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,240 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,240 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,240 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,240 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:03:41,240 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-28 17:03:41,240 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-28 17:03:41,240 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-28 17:03:41,240 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-28 17:03:41,240 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-28 17:03:41,241 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-28 17:03:41,244 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-28 17:03:41,245 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-28 17:03:41,245 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-28 17:03:41,245 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-28 17:03:41,245 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-28 17:03:41,245 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-28 17:03:41,245 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:03:41,245 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (<= ~a1~0 23) (not (= ~a19~0 7)) (not (= ~a19~0 10)) (= ~a12~0 0) (= ~a4~0 14) (<= ~a10~0 1)) [2018-11-28 17:03:41,245 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 17:03:41,245 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:03:41,246 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (= 7 |old(~a19~0)|) (< |old(~a1~0)| 23) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (not (= 0 ~a12~0)) (< 1 |old(~a10~0)|) (< 23 |old(~a1~0)|)) [2018-11-28 17:03:41,247 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-28 17:03:41,247 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse3 (= 1 |old(~a10~0)|))) (let ((.cse0 (not (= ~a19~0 10))) (.cse1 (or (not (= 8 |old(~a19~0)|)) (not .cse3))) (.cse2 (or (= |old(~a10~0)| 0) .cse3))) (or (< |old(~a1~0)| 23) (and (not (= ~a19~0 7)) .cse0 .cse1 .cse2) (and (<= ~a1~0 218) (= 2 ~a10~0) .cse1 (= 7 ~a19~0) .cse2) (< 1 |old(~a10~0)|) (and .cse1 (<= ~a10~0 1) .cse2) (not (= 0 ~a12~0)) (and (= 8 ~a19~0) .cse1 (= 1 ~a10~0)) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (and (<= ~a1~0 23) .cse0 .cse1 .cse2) (< 23 |old(~a1~0)|) (= 7 |old(~a19~0)|) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))))) [2018-11-28 17:03:41,247 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-28 17:03:41,247 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-28 17:03:41,247 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse3 (= 1 |old(~a10~0)|))) (let ((.cse0 (not (= ~a19~0 10))) (.cse1 (or (not (= 8 |old(~a19~0)|)) (not .cse3))) (.cse2 (or (= |old(~a10~0)| 0) .cse3))) (or (< |old(~a1~0)| 23) (and (not (= ~a19~0 7)) .cse0 .cse1 .cse2) (and (<= ~a1~0 218) (= 2 ~a10~0) .cse1 (= 7 ~a19~0) .cse2) (< 1 |old(~a10~0)|) (and .cse1 (<= ~a10~0 1) .cse2) (not (= 0 ~a12~0)) (and (= 8 ~a19~0) .cse1 (= 1 ~a10~0)) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (and (<= ~a1~0 23) .cse0 .cse1 .cse2) (< 23 |old(~a1~0)|) (= 7 |old(~a19~0)|) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))))) [2018-11-28 17:03:41,247 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-11-28 17:03:41,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:03:41 BoogieIcfgContainer [2018-11-28 17:03:41,282 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:03:41,282 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:03:41,282 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:03:41,282 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:03:41,283 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:03:05" (3/4) ... [2018-11-28 17:03:41,292 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 17:03:41,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 17:03:41,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 17:03:41,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 17:03:41,318 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 17:03:41,319 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 17:03:41,365 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\old(a1) < 23 || (((!(a19 == 7) && !(a19 == 10)) && (!(8 == \old(a19)) || !(1 == \old(a10)))) && (\old(a10) == 0 || 1 == \old(a10)))) || ((((a1 <= 218 && 2 == a10) && (!(8 == \old(a19)) || !(1 == \old(a10)))) && 7 == a19) && (\old(a10) == 0 || 1 == \old(a10)))) || 1 < \old(a10)) || (((!(8 == \old(a19)) || !(1 == \old(a10))) && a10 <= 1) && (\old(a10) == 0 || 1 == \old(a10)))) || !(0 == a12)) || ((8 == a19 && (!(8 == \old(a19)) || !(1 == \old(a10)))) && 1 == a10)) || 10 == \old(a19)) || !(14 == a4)) || (((a1 <= 23 && !(a19 == 10)) && (!(8 == \old(a19)) || !(1 == \old(a10)))) && (\old(a10) == 0 || 1 == \old(a10)))) || 23 < \old(a1)) || 7 == \old(a19)) || ((a10 == \old(a10) && a19 == \old(a19)) && a1 == \old(a1)) [2018-11-28 17:03:41,533 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 17:03:41,533 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:03:41,535 INFO L168 Benchmark]: Toolchain (without parser) took 40345.69 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 474.0 MB). Free memory was 940.6 MB in the beginning and 922.4 MB in the end (delta: 18.2 MB). Peak memory consumption was 492.2 MB. Max. memory is 11.5 GB. [2018-11-28 17:03:41,536 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-28 17:03:41,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.20 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 913.8 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 17:03:41,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 913.8 MB in the beginning and 1.1 GB in the end (delta: -215.6 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-11-28 17:03:41,537 INFO L168 Benchmark]: Boogie Preprocessor took 88.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:03:41,537 INFO L168 Benchmark]: RCFGBuilder took 3200.53 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: 98.3 MB). Peak memory consumption was 98.3 MB. Max. memory is 11.5 GB. [2018-11-28 17:03:41,537 INFO L168 Benchmark]: TraceAbstraction took 35896.60 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 331.4 MB). Free memory was 1.0 GB in the beginning and 949.2 MB in the end (delta: 75.1 MB). Peak memory consumption was 406.5 MB. Max. memory is 11.5 GB. [2018-11-28 17:03:41,538 INFO L168 Benchmark]: Witness Printer took 251.33 ms. Allocated memory is still 1.5 GB. Free memory was 949.2 MB in the beginning and 922.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 17:03:41,543 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 780.20 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 913.8 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 121.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 913.8 MB in the beginning and 1.1 GB in the end (delta: -215.6 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 3200.53 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: 98.3 MB). Peak memory consumption was 98.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 35896.60 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 331.4 MB). Free memory was 1.0 GB in the beginning and 949.2 MB in the end (delta: 75.1 MB). Peak memory consumption was 406.5 MB. Max. memory is 11.5 GB. * Witness Printer took 251.33 ms. Allocated memory is still 1.5 GB. Free memory was 949.2 MB in the beginning and 922.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((((\old(a1) < 23 || (((!(a19 == 7) && !(a19 == 10)) && (!(8 == \old(a19)) || !(1 == \old(a10)))) && (\old(a10) == 0 || 1 == \old(a10)))) || ((((a1 <= 218 && 2 == a10) && (!(8 == \old(a19)) || !(1 == \old(a10)))) && 7 == a19) && (\old(a10) == 0 || 1 == \old(a10)))) || 1 < \old(a10)) || (((!(8 == \old(a19)) || !(1 == \old(a10))) && a10 <= 1) && (\old(a10) == 0 || 1 == \old(a10)))) || !(0 == a12)) || ((8 == a19 && (!(8 == \old(a19)) || !(1 == \old(a10)))) && 1 == a10)) || 10 == \old(a19)) || !(14 == a4)) || (((a1 <= 23 && !(a19 == 10)) && (!(8 == \old(a19)) || !(1 == \old(a10)))) && (\old(a10) == 0 || 1 == \old(a10)))) || 23 < \old(a1)) || 7 == \old(a19)) || ((a10 == \old(a10) && a19 == \old(a19)) && a1 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 35.7s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 26.0s AutomataDifference, 0.0s DeadEndRemovalTime, 3.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 234 SDtfs, 7251 SDslu, 619 SDs, 0 SdLazy, 13863 SolverSat, 2565 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 880 GetRequests, 753 SyntacticMatches, 7 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1179 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1504occurred in iteration=6, 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: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 730 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 82 PreInvPairs, 162 NumberOfFragments, 475 HoareAnnotationTreeSize, 82 FomulaSimplifications, 25216 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6516 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 1864 NumberOfCodeBlocks, 1864 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1854 ConstructedInterpolants, 0 QuantifiedInterpolants, 1805068 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1261 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 1032/1307 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...