./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem02_label08_true-unreach-call_false-termination.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/Problem02_label08_true-unreach-call_false-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6ce363081c1dab610a244bdee8a1005551fe87b5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:42:13,183 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 16:42:13,185 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 16:42:13,197 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 16:42:13,197 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 16:42:13,198 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 16:42:13,200 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 16:42:13,202 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 16:42:13,206 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 16:42:13,207 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 16:42:13,209 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 16:42:13,210 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 16:42:13,211 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 16:42:13,213 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 16:42:13,220 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 16:42:13,221 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 16:42:13,225 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 16:42:13,229 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 16:42:13,233 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 16:42:13,235 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 16:42:13,237 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 16:42:13,243 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 16:42:13,245 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 16:42:13,247 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 16:42:13,247 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 16:42:13,248 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 16:42:13,249 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 16:42:13,252 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 16:42:13,253 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 16:42:13,255 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 16:42:13,256 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 16:42:13,257 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 16:42:13,257 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 16:42:13,257 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 16:42:13,258 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 16:42:13,261 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 16:42:13,262 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 16:42:13,285 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 16:42:13,286 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 16:42:13,287 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 16:42:13,291 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 16:42:13,292 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 16:42:13,293 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 16:42:13,293 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 16:42:13,293 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 16:42:13,293 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 16:42:13,293 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 16:42:13,294 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 16:42:13,294 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 16:42:13,295 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 16:42:13,295 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 16:42:13,295 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 16:42:13,295 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 16:42:13,295 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 16:42:13,295 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 16:42:13,296 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 16:42:13,296 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 16:42:13,296 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 16:42:13,296 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 16:42:13,296 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 16:42:13,296 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 16:42:13,299 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 16:42:13,299 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 16:42:13,300 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 16:42:13,300 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 16:42:13,301 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 16:42:13,301 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 16:42:13,301 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 -> 6ce363081c1dab610a244bdee8a1005551fe87b5 [2018-11-28 16:42:13,339 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 16:42:13,352 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 16:42:13,356 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 16:42:13,358 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 16:42:13,358 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 16:42:13,359 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem02_label08_true-unreach-call_false-termination.c [2018-11-28 16:42:13,417 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/786786ed8/486aa2b0438f4ba887c17e46618d53ec/FLAG83c076aa3 [2018-11-28 16:42:13,999 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 16:42:14,001 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem02_label08_true-unreach-call_false-termination.c [2018-11-28 16:42:14,026 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/786786ed8/486aa2b0438f4ba887c17e46618d53ec/FLAG83c076aa3 [2018-11-28 16:42:14,229 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/786786ed8/486aa2b0438f4ba887c17e46618d53ec [2018-11-28 16:42:14,233 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 16:42:14,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 16:42:14,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 16:42:14,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 16:42:14,241 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 16:42:14,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:14" (1/1) ... [2018-11-28 16:42:14,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f345ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:14, skipping insertion in model container [2018-11-28 16:42:14,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:14" (1/1) ... [2018-11-28 16:42:14,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 16:42:14,328 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 16:42:14,827 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:42:14,837 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 16:42:14,971 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:42:14,993 INFO L195 MainTranslator]: Completed translation [2018-11-28 16:42:14,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:14 WrapperNode [2018-11-28 16:42:14,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 16:42:14,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 16:42:14,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 16:42:14,996 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 16:42:15,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:14" (1/1) ... [2018-11-28 16:42:15,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:14" (1/1) ... [2018-11-28 16:42:15,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 16:42:15,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 16:42:15,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 16:42:15,036 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 16:42:15,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:14" (1/1) ... [2018-11-28 16:42:15,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:14" (1/1) ... [2018-11-28 16:42:15,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:14" (1/1) ... [2018-11-28 16:42:15,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:14" (1/1) ... [2018-11-28 16:42:15,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:14" (1/1) ... [2018-11-28 16:42:15,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:14" (1/1) ... [2018-11-28 16:42:15,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:14" (1/1) ... [2018-11-28 16:42:15,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 16:42:15,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 16:42:15,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 16:42:15,277 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 16:42:15,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:14" (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 16:42:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 16:42:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 16:42:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 16:42:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 16:42:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 16:42:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 16:42:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 16:42:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 16:42:18,571 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 16:42:18,572 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 16:42:18,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:18 BoogieIcfgContainer [2018-11-28 16:42:18,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 16:42:18,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 16:42:18,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 16:42:18,581 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 16:42:18,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:42:14" (1/3) ... [2018-11-28 16:42:18,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b63e2ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:42:18, skipping insertion in model container [2018-11-28 16:42:18,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:14" (2/3) ... [2018-11-28 16:42:18,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b63e2ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:42:18, skipping insertion in model container [2018-11-28 16:42:18,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:18" (3/3) ... [2018-11-28 16:42:18,586 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label08_true-unreach-call_false-termination.c [2018-11-28 16:42:18,600 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 16:42:18,614 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 16:42:18,634 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 16:42:18,686 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 16:42:18,687 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 16:42:18,687 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 16:42:18,687 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 16:42:18,688 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 16:42:18,688 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 16:42:18,688 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 16:42:18,688 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 16:42:18,688 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 16:42:18,718 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-28 16:42:18,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-28 16:42:18,739 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:18,740 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:18,745 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:18,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:18,754 INFO L82 PathProgramCache]: Analyzing trace with hash -218350154, now seen corresponding path program 1 times [2018-11-28 16:42:18,756 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:18,757 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:18,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:18,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:18,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:19,392 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 16:42:19,553 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 16:42:19,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:19,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:42:19,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:42:19,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:42:19,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:42:19,582 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-28 16:42:21,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:21,134 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-28 16:42:21,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:42:21,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2018-11-28 16:42:21,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:21,155 INFO L225 Difference]: With dead ends: 618 [2018-11-28 16:42:21,156 INFO L226 Difference]: Without dead ends: 320 [2018-11-28 16:42:21,163 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:42:21,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-28 16:42:21,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-11-28 16:42:21,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-28 16:42:21,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 465 transitions. [2018-11-28 16:42:21,249 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 465 transitions. Word has length 128 [2018-11-28 16:42:21,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:21,250 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 465 transitions. [2018-11-28 16:42:21,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:42:21,250 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 465 transitions. [2018-11-28 16:42:21,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-28 16:42:21,258 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:21,258 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:21,258 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:21,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:21,260 INFO L82 PathProgramCache]: Analyzing trace with hash 206670545, now seen corresponding path program 1 times [2018-11-28 16:42:21,260 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:21,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:21,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:21,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:21,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:21,723 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:21,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:21,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 16:42:21,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:42:21,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:42:21,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:21,728 INFO L87 Difference]: Start difference. First operand 320 states and 465 transitions. Second operand 5 states. [2018-11-28 16:42:23,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:23,190 INFO L93 Difference]: Finished difference Result 721 states and 1089 transitions. [2018-11-28 16:42:23,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 16:42:23,193 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2018-11-28 16:42:23,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:23,202 INFO L225 Difference]: With dead ends: 721 [2018-11-28 16:42:23,202 INFO L226 Difference]: Without dead ends: 320 [2018-11-28 16:42:23,211 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:23,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-28 16:42:23,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-11-28 16:42:23,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-28 16:42:23,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 461 transitions. [2018-11-28 16:42:23,246 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 461 transitions. Word has length 136 [2018-11-28 16:42:23,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:23,247 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 461 transitions. [2018-11-28 16:42:23,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:42:23,247 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 461 transitions. [2018-11-28 16:42:23,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-28 16:42:23,254 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:23,255 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:23,255 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:23,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:23,255 INFO L82 PathProgramCache]: Analyzing trace with hash 2140526213, now seen corresponding path program 1 times [2018-11-28 16:42:23,256 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:23,257 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:23,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:23,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:23,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:23,627 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 22 [2018-11-28 16:42:23,768 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:23,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:23,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 16:42:23,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:42:23,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:42:23,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:23,770 INFO L87 Difference]: Start difference. First operand 320 states and 461 transitions. Second operand 5 states. [2018-11-28 16:42:24,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:24,850 INFO L93 Difference]: Finished difference Result 717 states and 1075 transitions. [2018-11-28 16:42:24,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 16:42:24,854 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2018-11-28 16:42:24,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:24,858 INFO L225 Difference]: With dead ends: 717 [2018-11-28 16:42:24,858 INFO L226 Difference]: Without dead ends: 320 [2018-11-28 16:42:24,859 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:24,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-28 16:42:24,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-11-28 16:42:24,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-28 16:42:24,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 455 transitions. [2018-11-28 16:42:24,875 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 455 transitions. Word has length 142 [2018-11-28 16:42:24,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:24,875 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 455 transitions. [2018-11-28 16:42:24,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:42:24,876 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 455 transitions. [2018-11-28 16:42:24,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-28 16:42:24,878 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:24,879 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:24,879 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:24,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:24,880 INFO L82 PathProgramCache]: Analyzing trace with hash 507332814, now seen corresponding path program 1 times [2018-11-28 16:42:24,880 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:24,880 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:24,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:24,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:24,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:25,051 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:25,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:25,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:42:25,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:42:25,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:42:25,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:42:25,053 INFO L87 Difference]: Start difference. First operand 320 states and 455 transitions. Second operand 6 states. [2018-11-28 16:42:26,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:26,854 INFO L93 Difference]: Finished difference Result 951 states and 1383 transitions. [2018-11-28 16:42:26,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:42:26,855 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 150 [2018-11-28 16:42:26,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:26,860 INFO L225 Difference]: With dead ends: 951 [2018-11-28 16:42:26,860 INFO L226 Difference]: Without dead ends: 637 [2018-11-28 16:42:26,861 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 16:42:26,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2018-11-28 16:42:26,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 626. [2018-11-28 16:42:26,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-11-28 16:42:26,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 871 transitions. [2018-11-28 16:42:26,890 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 871 transitions. Word has length 150 [2018-11-28 16:42:26,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:26,890 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 871 transitions. [2018-11-28 16:42:26,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:42:26,891 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 871 transitions. [2018-11-28 16:42:26,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-28 16:42:26,893 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:26,894 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:42:26,894 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:26,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:26,894 INFO L82 PathProgramCache]: Analyzing trace with hash 842155530, now seen corresponding path program 1 times [2018-11-28 16:42:26,895 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:26,895 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:26,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:26,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:26,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:27,172 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:27,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:27,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 16:42:27,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:42:27,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:42:27,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:27,174 INFO L87 Difference]: Start difference. First operand 626 states and 871 transitions. Second operand 5 states. [2018-11-28 16:42:29,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:29,681 INFO L93 Difference]: Finished difference Result 1330 states and 1903 transitions. [2018-11-28 16:42:29,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 16:42:29,682 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2018-11-28 16:42:29,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:29,686 INFO L225 Difference]: With dead ends: 1330 [2018-11-28 16:42:29,687 INFO L226 Difference]: Without dead ends: 626 [2018-11-28 16:42:29,689 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:29,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-11-28 16:42:29,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2018-11-28 16:42:29,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-11-28 16:42:29,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 859 transitions. [2018-11-28 16:42:29,711 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 859 transitions. Word has length 152 [2018-11-28 16:42:29,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:29,712 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 859 transitions. [2018-11-28 16:42:29,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:42:29,712 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 859 transitions. [2018-11-28 16:42:29,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-28 16:42:29,715 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:29,715 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:42:29,716 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:29,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:29,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1322550086, now seen corresponding path program 1 times [2018-11-28 16:42:29,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:29,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:29,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:29,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:29,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:29,986 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:29,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:29,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 16:42:29,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:42:29,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:42:29,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:29,988 INFO L87 Difference]: Start difference. First operand 626 states and 859 transitions. Second operand 5 states. [2018-11-28 16:42:31,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:31,176 INFO L93 Difference]: Finished difference Result 1332 states and 1878 transitions. [2018-11-28 16:42:31,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 16:42:31,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2018-11-28 16:42:31,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:31,181 INFO L225 Difference]: With dead ends: 1332 [2018-11-28 16:42:31,181 INFO L226 Difference]: Without dead ends: 626 [2018-11-28 16:42:31,183 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:31,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-11-28 16:42:31,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2018-11-28 16:42:31,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-11-28 16:42:31,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 843 transitions. [2018-11-28 16:42:31,205 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 843 transitions. Word has length 154 [2018-11-28 16:42:31,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:31,206 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 843 transitions. [2018-11-28 16:42:31,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:42:31,206 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 843 transitions. [2018-11-28 16:42:31,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-28 16:42:31,209 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:31,209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:42:31,210 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:31,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:31,210 INFO L82 PathProgramCache]: Analyzing trace with hash 484490686, now seen corresponding path program 1 times [2018-11-28 16:42:31,210 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:31,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:31,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:31,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:31,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:31,461 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:31,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:31,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:42:31,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:42:31,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:42:31,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:42:31,463 INFO L87 Difference]: Start difference. First operand 626 states and 843 transitions. Second operand 6 states. [2018-11-28 16:42:32,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:32,267 INFO L93 Difference]: Finished difference Result 1858 states and 2601 transitions. [2018-11-28 16:42:32,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:42:32,270 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 158 [2018-11-28 16:42:32,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:32,280 INFO L225 Difference]: With dead ends: 1858 [2018-11-28 16:42:32,280 INFO L226 Difference]: Without dead ends: 1238 [2018-11-28 16:42:32,283 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 16:42:32,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2018-11-28 16:42:32,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1218. [2018-11-28 16:42:32,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2018-11-28 16:42:32,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1637 transitions. [2018-11-28 16:42:32,336 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1637 transitions. Word has length 158 [2018-11-28 16:42:32,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:32,337 INFO L480 AbstractCegarLoop]: Abstraction has 1218 states and 1637 transitions. [2018-11-28 16:42:32,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:42:32,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1637 transitions. [2018-11-28 16:42:32,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-28 16:42:32,343 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:32,344 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:42:32,344 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:32,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:32,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1847232649, now seen corresponding path program 1 times [2018-11-28 16:42:32,344 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:32,344 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:32,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:32,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:32,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:32,587 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:32,587 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:42:32,587 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 16:42:32,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:32,692 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:42:32,916 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 16:42:32,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 16:42:32,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2018-11-28 16:42:32,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 16:42:32,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 16:42:32,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:42:32,948 INFO L87 Difference]: Start difference. First operand 1218 states and 1637 transitions. Second operand 9 states. [2018-11-28 16:42:33,704 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-28 16:42:37,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:37,881 INFO L93 Difference]: Finished difference Result 5741 states and 8286 transitions. [2018-11-28 16:42:37,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-28 16:42:37,882 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163 [2018-11-28 16:42:37,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:37,914 INFO L225 Difference]: With dead ends: 5741 [2018-11-28 16:42:37,915 INFO L226 Difference]: Without dead ends: 4529 [2018-11-28 16:42:37,922 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 176 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=144, Invalid=456, Unknown=0, NotChecked=0, Total=600 [2018-11-28 16:42:37,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4529 states. [2018-11-28 16:42:38,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4529 to 4359. [2018-11-28 16:42:38,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4359 states. [2018-11-28 16:42:38,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4359 states to 4359 states and 5657 transitions. [2018-11-28 16:42:38,090 INFO L78 Accepts]: Start accepts. Automaton has 4359 states and 5657 transitions. Word has length 163 [2018-11-28 16:42:38,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:38,092 INFO L480 AbstractCegarLoop]: Abstraction has 4359 states and 5657 transitions. [2018-11-28 16:42:38,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 16:42:38,093 INFO L276 IsEmpty]: Start isEmpty. Operand 4359 states and 5657 transitions. [2018-11-28 16:42:38,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-28 16:42:38,117 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:38,118 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:42:38,118 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:38,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:38,118 INFO L82 PathProgramCache]: Analyzing trace with hash 694498944, now seen corresponding path program 1 times [2018-11-28 16:42:38,118 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:38,119 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:38,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:38,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:38,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:38,531 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 138 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:38,532 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:42:38,532 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 16:42:38,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:38,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:42:39,113 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 203 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:39,133 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 16:42:39,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 14 [2018-11-28 16:42:39,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 16:42:39,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 16:42:39,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-11-28 16:42:39,135 INFO L87 Difference]: Start difference. First operand 4359 states and 5657 transitions. Second operand 14 states. [2018-11-28 16:42:42,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:42,407 INFO L93 Difference]: Finished difference Result 9180 states and 12135 transitions. [2018-11-28 16:42:42,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-28 16:42:42,408 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 275 [2018-11-28 16:42:42,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:42,409 INFO L225 Difference]: With dead ends: 9180 [2018-11-28 16:42:42,409 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 16:42:42,438 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 285 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=241, Invalid=689, Unknown=0, NotChecked=0, Total=930 [2018-11-28 16:42:42,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 16:42:42,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 16:42:42,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 16:42:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 16:42:42,440 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 275 [2018-11-28 16:42:42,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:42,440 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 16:42:42,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 16:42:42,440 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 16:42:42,440 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 16:42:42,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 16:42:42,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,782 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 80 [2018-11-28 16:42:42,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:42,908 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 80 [2018-11-28 16:42:43,121 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-11-28 16:42:43,366 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2018-11-28 16:42:45,234 WARN L180 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 159 DAG size of output: 88 [2018-11-28 16:42:45,919 WARN L180 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 66 [2018-11-28 16:42:46,556 WARN L180 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 66 [2018-11-28 16:42:46,560 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:42:46,560 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (= ~a28~0 |old(~a28~0)|)) [2018-11-28 16:42:46,560 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:42:46,561 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,561 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,561 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,561 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,561 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,561 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-28 16:42:46,561 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-28 16:42:46,561 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-28 16:42:46,561 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-28 16:42:46,561 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-28 16:42:46,562 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-28 16:42:46,562 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-28 16:42:46,562 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-28 16:42:46,562 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-28 16:42:46,562 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-28 16:42:46,562 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-28 16:42:46,562 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-28 16:42:46,562 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-28 16:42:46,562 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,562 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,563 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,563 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,563 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-28 16:42:46,563 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,563 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-28 16:42:46,563 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-28 16:42:46,563 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-28 16:42:46,563 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-28 16:42:46,563 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-28 16:42:46,563 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-28 16:42:46,564 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-28 16:42:46,564 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-28 16:42:46,564 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-28 16:42:46,564 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-28 16:42:46,564 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-28 16:42:46,564 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-28 16:42:46,564 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-28 16:42:46,564 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-28 16:42:46,564 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-28 16:42:46,564 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,565 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,565 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,565 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,565 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,565 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-28 16:42:46,565 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-28 16:42:46,565 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-28 16:42:46,565 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-28 16:42:46,565 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-28 16:42:46,565 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-28 16:42:46,565 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-28 16:42:46,566 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-28 16:42:46,566 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-28 16:42:46,566 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-28 16:42:46,566 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-28 16:42:46,566 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,566 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,566 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,566 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,566 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,566 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-28 16:42:46,566 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-28 16:42:46,567 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-28 16:42:46,567 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-28 16:42:46,567 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-28 16:42:46,567 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-28 16:42:46,567 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-28 16:42:46,567 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-28 16:42:46,567 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-28 16:42:46,567 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-28 16:42:46,567 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-28 16:42:46,567 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-28 16:42:46,567 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-28 16:42:46,568 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,568 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,568 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,568 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,568 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,568 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-28 16:42:46,568 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-28 16:42:46,568 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-28 16:42:46,568 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-28 16:42:46,568 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-28 16:42:46,568 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-28 16:42:46,569 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-28 16:42:46,569 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-28 16:42:46,569 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-28 16:42:46,569 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-28 16:42:46,569 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-28 16:42:46,569 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-28 16:42:46,569 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-28 16:42:46,569 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-28 16:42:46,569 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-28 16:42:46,569 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-28 16:42:46,569 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,569 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,570 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,570 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,570 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-28 16:42:46,570 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,570 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-28 16:42:46,570 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,570 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-28 16:42:46,570 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-28 16:42:46,570 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-28 16:42:46,570 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,571 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,571 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-28 16:42:46,571 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-28 16:42:46,571 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-28 16:42:46,571 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-28 16:42:46,571 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-28 16:42:46,571 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-28 16:42:46,571 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-28 16:42:46,571 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-28 16:42:46,571 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-28 16:42:46,571 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-28 16:42:46,572 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-28 16:42:46,572 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,572 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,572 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,572 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,572 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,572 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,572 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-28 16:42:46,572 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-28 16:42:46,572 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-28 16:42:46,572 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-28 16:42:46,572 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-28 16:42:46,573 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-28 16:42:46,573 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-28 16:42:46,573 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-28 16:42:46,573 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-28 16:42:46,573 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-28 16:42:46,573 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-28 16:42:46,573 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,573 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,573 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,573 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,573 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,574 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 538) no Hoare annotation was computed. [2018-11-28 16:42:46,574 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,574 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-28 16:42:46,574 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-28 16:42:46,574 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-28 16:42:46,574 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-28 16:42:46,574 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-28 16:42:46,574 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-28 16:42:46,575 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-28 16:42:46,575 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-28 16:42:46,575 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-28 16:42:46,575 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-28 16:42:46,575 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-28 16:42:46,575 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-28 16:42:46,575 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-28 16:42:46,575 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-28 16:42:46,575 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,575 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,575 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,576 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse22 (= |old(~a19~0)| ~a19~0)) (.cse24 (= |old(~a17~0)| ~a17~0)) (.cse21 (= |old(~a25~0)| ~a25~0)) (.cse25 (= ~a28~0 |old(~a28~0)|)) (.cse23 (not (= ~a11~0 1))) (.cse10 (= 1 |old(~a11~0)|)) (.cse0 (= 1 |old(~a19~0)|)) (.cse9 (= 1 |old(~a25~0)|))) (let ((.cse3 (not (= 8 |old(~a17~0)|))) (.cse6 (= 8 ~a17~0)) (.cse2 (not (= 7 |old(~a28~0)|))) (.cse17 (not .cse9)) (.cse18 (not .cse0)) (.cse8 (not .cse10)) (.cse4 (= 7 ~a28~0)) (.cse5 (= 1 ~a11~0)) (.cse7 (= 1 ~a19~0)) (.cse11 (and .cse22 .cse24 .cse21 .cse25 .cse23)) (.cse12 (not (= |old(~a17~0)| 8))) (.cse13 (< |old(~a19~0)| 1)) (.cse14 (< 10 |old(~a28~0)|)) (.cse1 (not (= 1 ~a21~0))) (.cse16 (= 8 |old(~a28~0)|)) (.cse19 (= 9 |old(~a28~0)|)) (.cse15 (and .cse22 .cse24 .cse21 .cse25)) (.cse20 (< 7 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 (not (= ~a25~0 1)) .cse5 .cse6 (not .cse7)) .cse8 .cse9) (or .cse1 .cse10 .cse11 .cse12 .cse13) (or .cse14 .cse1 .cse15 .cse16 .cse12 .cse13 .cse9) (or .cse5 .cse1 (not (= 10 |old(~a28~0)|)) .cse17 .cse18 .cse3 .cse8) (or .cse14 .cse1 .cse15 .cse16 .cse19 .cse12 .cse13) (or .cse1 .cse17 .cse18 .cse3 (and .cse5 (= 1 ~a25~0) (= 9 ~a28~0) .cse6 .cse7) (not .cse19) .cse8) (or .cse14 .cse0 .cse1 .cse16 .cse15 .cse20) (or .cse1 .cse2 .cse17 .cse18 .cse8 (and .cse4 .cse5 (= 7 ~a17~0) .cse7 .cse21) (not (= 7 |old(~a17~0)|))) (or (or .cse1 .cse10 (< 0 |old(~a19~0)|) .cse9) (and (or (and .cse22 .cse21 .cse23) (<= ~a28~0 10)) .cse24 .cse25) .cse16 .cse20) (or .cse14 .cse1 .cse10 .cse16 .cse11 .cse19 .cse12) (or .cse14 .cse1 .cse10 .cse11 .cse19 .cse12 .cse9) (or .cse14 (= 10 |old(~a17~0)|) .cse1 .cse10 .cse16 .cse19 (and .cse24 .cse21 .cse23 .cse22 .cse25) .cse13 .cse9) (or .cse14 .cse1 .cse16 .cse19 .cse15 .cse20 .cse9)))) [2018-11-28 16:42:46,576 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,576 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,576 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,576 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-28 16:42:46,577 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-28 16:42:46,577 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-28 16:42:46,577 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-28 16:42:46,577 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-28 16:42:46,577 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-28 16:42:46,577 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-28 16:42:46,577 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-28 16:42:46,577 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-28 16:42:46,577 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-28 16:42:46,577 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-28 16:42:46,577 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-28 16:42:46,577 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-28 16:42:46,578 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,578 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,578 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,578 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,578 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,578 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,578 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-28 16:42:46,578 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-28 16:42:46,578 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-28 16:42:46,578 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-28 16:42:46,578 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-28 16:42:46,578 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-28 16:42:46,579 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-28 16:42:46,579 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-28 16:42:46,579 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-28 16:42:46,579 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-28 16:42:46,579 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-28 16:42:46,579 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-28 16:42:46,579 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-28 16:42:46,579 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-28 16:42:46,579 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-28 16:42:46,579 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-28 16:42:46,579 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,579 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,580 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,580 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,580 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:42:46,580 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-28 16:42:46,580 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-28 16:42:46,580 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-28 16:42:46,580 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-28 16:42:46,580 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-28 16:42:46,580 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-28 16:42:46,580 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-28 16:42:46,580 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-28 16:42:46,580 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-28 16:42:46,581 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-28 16:42:46,581 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-28 16:42:46,581 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-28 16:42:46,581 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-28 16:42:46,581 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-28 16:42:46,581 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-28 16:42:46,581 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-28 16:42:46,581 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-28 16:42:46,581 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-28 16:42:46,581 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-28 16:42:46,581 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:42:46,582 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a17~0 10)) (not (= ~a25~0 1)) (<= ~a28~0 10) (not (= ~a28~0 8)) (= ~a21~0 1) (not (= ~a11~0 1)) (not (= ~a28~0 9)) (<= 1 ~a19~0)) [2018-11-28 16:42:46,582 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 16:42:46,582 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:42:46,582 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (< 10 |old(~a28~0)|) (= 10 |old(~a17~0)|) (not (= 1 ~a21~0)) (= 1 |old(~a11~0)|) (= 8 |old(~a28~0)|) (= 9 |old(~a28~0)|) (and (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (not (= ~a11~0 1)) (= |old(~a19~0)| ~a19~0) (= ~a28~0 |old(~a28~0)|)) (< |old(~a19~0)| 1) (= 1 |old(~a25~0)|)) [2018-11-28 16:42:46,582 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (= 7 ~a28~0)) (.cse3 (<= 1 ~a19~0)) (.cse13 (<= ~a17~0 7)) (.cse4 (not (= ~a25~0 1))) (.cse8 (= 1 ~a11~0)) (.cse12 (= 1 ~a25~0)) (.cse9 (= 8 ~a17~0)) (.cse10 (= 1 ~a19~0)) (.cse14 (= 10 ~a28~0)) (.cse0 (= |old(~a17~0)| 8)) (.cse1 (= |old(~a17~0)| ~a17~0)) (.cse5 (<= ~a28~0 10)) (.cse11 (not (= ~a28~0 8))) (.cse2 (not (= ~a11~0 1))) (.cse6 (not (= ~a28~0 9)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse5 .cse2 .cse6) (and .cse7 .cse4 .cse8 .cse9 (not .cse10)) (< |old(~a19~0)| 1) (= 1 |old(~a25~0)|) (= 10 |old(~a17~0)|) (= 1 |old(~a11~0)|) (and .cse0 .cse4 .cse1 .cse5 .cse11 .cse3) (and .cse7 .cse8 (= 7 ~a17~0) .cse12 .cse10) (and .cse0 .cse13 .cse4 .cse14) (and .cse8 .cse12 (= 9 ~a28~0) .cse9 .cse10) (and .cse0 .cse1 .cse5 .cse11 .cse6 .cse3) (= 9 |old(~a28~0)|) (< 10 |old(~a28~0)|) (and .cse0 (not (= ~a19~0 1)) .cse13 .cse11 .cse5) (and (= |old(~a19~0)| ~a19~0) .cse4 .cse1 .cse2 (= ~a28~0 |old(~a28~0)|)) (= 8 |old(~a28~0)|) (and .cse8 .cse12 .cse9 .cse10 .cse14) (and .cse0 .cse1 .cse5 .cse11 .cse2 .cse6))) [2018-11-28 16:42:46,583 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-28 16:42:46,583 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-28 16:42:46,583 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (= 7 ~a28~0)) (.cse3 (<= 1 ~a19~0)) (.cse13 (<= ~a17~0 7)) (.cse4 (not (= ~a25~0 1))) (.cse8 (= 1 ~a11~0)) (.cse12 (= 1 ~a25~0)) (.cse9 (= 8 ~a17~0)) (.cse10 (= 1 ~a19~0)) (.cse14 (= 10 ~a28~0)) (.cse0 (= |old(~a17~0)| 8)) (.cse1 (= |old(~a17~0)| ~a17~0)) (.cse5 (<= ~a28~0 10)) (.cse11 (not (= ~a28~0 8))) (.cse2 (not (= ~a11~0 1))) (.cse6 (not (= ~a28~0 9)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse5 .cse2 .cse6) (and .cse7 .cse4 .cse8 .cse9 (not .cse10)) (< |old(~a19~0)| 1) (= 1 |old(~a25~0)|) (= 10 |old(~a17~0)|) (= 1 |old(~a11~0)|) (and .cse0 .cse4 .cse1 .cse5 .cse11 .cse3) (and .cse7 .cse8 (= 7 ~a17~0) .cse12 .cse10) (and .cse0 .cse13 .cse4 .cse14) (and .cse8 .cse12 (= 9 ~a28~0) .cse9 .cse10) (and .cse0 .cse1 .cse5 .cse11 .cse6 .cse3) (= 9 |old(~a28~0)|) (< 10 |old(~a28~0)|) (and .cse0 (not (= ~a19~0 1)) .cse13 .cse11 .cse5) (and (= |old(~a19~0)| ~a19~0) .cse4 .cse1 .cse2 (= ~a28~0 |old(~a28~0)|)) (= 8 |old(~a28~0)|) (and .cse8 .cse12 .cse9 .cse10 .cse14) (and .cse0 .cse1 .cse5 .cse11 .cse2 .cse6))) [2018-11-28 16:42:46,583 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-28 16:42:46,583 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-28 16:42:46,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:42:46 BoogieIcfgContainer [2018-11-28 16:42:46,617 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 16:42:46,617 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 16:42:46,617 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 16:42:46,618 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 16:42:46,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:18" (3/4) ... [2018-11-28 16:42:46,631 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 16:42:46,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 16:42:46,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 16:42:46,650 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 16:42:46,670 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 16:42:46,671 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 16:42:46,705 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((!(1 == a21) || (((\old(a17) == 8 && \old(a17) == a17) && !(a11 == 1)) && 1 <= a19)) || (((((\old(a17) == 8 && !(a25 == 1)) && \old(a17) == a17) && a28 <= 10) && !(a11 == 1)) && !(a28 == 9))) || ((((7 == a28 && !(a25 == 1)) && 1 == a11) && 8 == a17) && !(1 == a19))) || \old(a19) < 1) || 1 == \old(a25)) || 10 == \old(a17)) || 1 == \old(a11)) || (((((\old(a17) == 8 && !(a25 == 1)) && \old(a17) == a17) && a28 <= 10) && !(a28 == 8)) && 1 <= a19)) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || (((\old(a17) == 8 && a17 <= 7) && !(a25 == 1)) && 10 == a28)) || ((((1 == a11 && 1 == a25) && 9 == a28) && 8 == a17) && 1 == a19)) || (((((\old(a17) == 8 && \old(a17) == a17) && a28 <= 10) && !(a28 == 8)) && !(a28 == 9)) && 1 <= a19)) || 9 == \old(a28)) || 10 < \old(a28)) || ((((\old(a17) == 8 && !(a19 == 1)) && a17 <= 7) && !(a28 == 8)) && a28 <= 10)) || ((((\old(a19) == a19 && !(a25 == 1)) && \old(a17) == a17) && !(a11 == 1)) && a28 == \old(a28))) || 8 == \old(a28)) || ((((1 == a11 && 1 == a25) && 8 == a17) && 1 == a19) && 10 == a28)) || (((((\old(a17) == 8 && \old(a17) == a17) && a28 <= 10) && !(a28 == 8)) && !(a11 == 1)) && !(a28 == 9)) [2018-11-28 16:42:46,851 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 16:42:46,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 16:42:46,852 INFO L168 Benchmark]: Toolchain (without parser) took 32618.09 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 490.2 MB). Free memory was 954.0 MB in the beginning and 979.7 MB in the end (delta: -25.7 MB). Peak memory consumption was 464.5 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:46,853 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:42:46,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.36 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 920.5 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:46,854 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.01 ms. Allocated memory is still 1.0 GB. Free memory is still 920.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:42:46,854 INFO L168 Benchmark]: Boogie Preprocessor took 240.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -209.6 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:46,855 INFO L168 Benchmark]: RCFGBuilder took 3296.21 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: 99.1 MB). Peak memory consumption was 99.1 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:46,857 INFO L168 Benchmark]: TraceAbstraction took 28043.62 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 347.1 MB). Free memory was 1.0 GB in the beginning and 992.8 MB in the end (delta: 38.2 MB). Peak memory consumption was 463.5 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:46,858 INFO L168 Benchmark]: Witness Printer took 233.44 ms. Allocated memory is still 1.5 GB. Free memory was 992.8 MB in the beginning and 979.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:46,862 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 758.36 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 920.5 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.01 ms. Allocated memory is still 1.0 GB. Free memory is still 920.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 240.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -209.6 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3296.21 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: 99.1 MB). Peak memory consumption was 99.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28043.62 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 347.1 MB). Free memory was 1.0 GB in the beginning and 992.8 MB in the end (delta: 38.2 MB). Peak memory consumption was 463.5 MB. Max. memory is 11.5 GB. * Witness Printer took 233.44 ms. Allocated memory is still 1.5 GB. Free memory was 992.8 MB in the beginning and 979.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 538]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(1 == a21) || (((\old(a17) == 8 && \old(a17) == a17) && !(a11 == 1)) && 1 <= a19)) || (((((\old(a17) == 8 && !(a25 == 1)) && \old(a17) == a17) && a28 <= 10) && !(a11 == 1)) && !(a28 == 9))) || ((((7 == a28 && !(a25 == 1)) && 1 == a11) && 8 == a17) && !(1 == a19))) || \old(a19) < 1) || 1 == \old(a25)) || 10 == \old(a17)) || 1 == \old(a11)) || (((((\old(a17) == 8 && !(a25 == 1)) && \old(a17) == a17) && a28 <= 10) && !(a28 == 8)) && 1 <= a19)) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || (((\old(a17) == 8 && a17 <= 7) && !(a25 == 1)) && 10 == a28)) || ((((1 == a11 && 1 == a25) && 9 == a28) && 8 == a17) && 1 == a19)) || (((((\old(a17) == 8 && \old(a17) == a17) && a28 <= 10) && !(a28 == 8)) && !(a28 == 9)) && 1 <= a19)) || 9 == \old(a28)) || 10 < \old(a28)) || ((((\old(a17) == 8 && !(a19 == 1)) && a17 <= 7) && !(a28 == 8)) && a28 <= 10)) || ((((\old(a19) == a19 && !(a25 == 1)) && \old(a17) == a17) && !(a11 == 1)) && a28 == \old(a28))) || 8 == \old(a28)) || ((((1 == a11 && 1 == a25) && 8 == a17) && 1 == a19) && 10 == a28)) || (((((\old(a17) == 8 && \old(a17) == a17) && a28 <= 10) && !(a28 == 8)) && !(a11 == 1)) && !(a28 == 9)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 27.9s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 18.7s AutomataDifference, 0.0s DeadEndRemovalTime, 4.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 557 SDtfs, 7433 SDslu, 649 SDs, 0 SdLazy, 9023 SolverSat, 1797 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 570 GetRequests, 483 SyntacticMatches, 8 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4359occurred in iteration=8, 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: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 201 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 140 PreInvPairs, 266 NumberOfFragments, 1069 HoareAnnotationTreeSize, 140 FomulaSimplifications, 5800 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2832 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1896 NumberOfCodeBlocks, 1896 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1885 ConstructedInterpolants, 0 QuantifiedInterpolants, 1783122 SizeOfPredicates, 3 NumberOfNonLiveVariables, 949 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 514/600 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...