./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/eca-rers2012/Problem02_label25_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 ef22932a563d89d9fa5a5b8bcd7f4a5eeb34d0f3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-30 19:44:27,551 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 19:44:27,553 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 19:44:27,565 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 19:44:27,566 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 19:44:27,567 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 19:44:27,568 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 19:44:27,570 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 19:44:27,572 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 19:44:27,573 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 19:44:27,574 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 19:44:27,574 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 19:44:27,577 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 19:44:27,579 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 19:44:27,580 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 19:44:27,581 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 19:44:27,582 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 19:44:27,584 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 19:44:27,587 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 19:44:27,589 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 19:44:27,590 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 19:44:27,591 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 19:44:27,594 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 19:44:27,594 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 19:44:27,594 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 19:44:27,595 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 19:44:27,596 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 19:44:27,597 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 19:44:27,598 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 19:44:27,599 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 19:44:27,600 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 19:44:27,601 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 19:44:27,601 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 19:44:27,601 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 19:44:27,602 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 19:44:27,603 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 19:44:27,604 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-30 19:44:27,633 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 19:44:27,634 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 19:44:27,635 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 19:44:27,635 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 19:44:27,635 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 19:44:27,636 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 19:44:27,636 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 19:44:27,637 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-30 19:44:27,637 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 19:44:27,637 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 19:44:27,637 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 19:44:27,637 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 19:44:27,637 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 19:44:27,638 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 19:44:27,638 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 19:44:27,638 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 19:44:27,638 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 19:44:27,638 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 19:44:27,638 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 19:44:27,640 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 19:44:27,640 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 19:44:27,640 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 19:44:27,641 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 19:44:27,641 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 19:44:27,641 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 19:44:27,641 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-30 19:44:27,641 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 19:44:27,641 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-30 19:44:27,643 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 -> ef22932a563d89d9fa5a5b8bcd7f4a5eeb34d0f3 [2018-12-30 19:44:27,684 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 19:44:27,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 19:44:27,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 19:44:27,706 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 19:44:27,707 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 19:44:27,709 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-12-30 19:44:27,772 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/833c0163d/54b7f9497b684f6a92ea5f5541a4c4f4/FLAG4ebe3e2be [2018-12-30 19:44:28,381 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 19:44:28,384 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-12-30 19:44:28,396 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/833c0163d/54b7f9497b684f6a92ea5f5541a4c4f4/FLAG4ebe3e2be [2018-12-30 19:44:28,634 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/833c0163d/54b7f9497b684f6a92ea5f5541a4c4f4 [2018-12-30 19:44:28,639 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 19:44:28,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 19:44:28,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 19:44:28,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 19:44:28,649 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 19:44:28,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:44:28" (1/1) ... [2018-12-30 19:44:28,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bbc90c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:28, skipping insertion in model container [2018-12-30 19:44:28,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 07:44:28" (1/1) ... [2018-12-30 19:44:28,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 19:44:28,721 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 19:44:29,194 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:44:29,200 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 19:44:29,329 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 19:44:29,348 INFO L195 MainTranslator]: Completed translation [2018-12-30 19:44:29,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:29 WrapperNode [2018-12-30 19:44:29,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 19:44:29,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 19:44:29,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 19:44:29,350 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 19:44:29,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:29" (1/1) ... [2018-12-30 19:44:29,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:29" (1/1) ... [2018-12-30 19:44:29,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 19:44:29,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 19:44:29,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 19:44:29,542 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 19:44:29,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:29" (1/1) ... [2018-12-30 19:44:29,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:29" (1/1) ... [2018-12-30 19:44:29,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:29" (1/1) ... [2018-12-30 19:44:29,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:29" (1/1) ... [2018-12-30 19:44:29,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:29" (1/1) ... [2018-12-30 19:44:29,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:29" (1/1) ... [2018-12-30 19:44:29,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:29" (1/1) ... [2018-12-30 19:44:29,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 19:44:29,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 19:44:29,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 19:44:29,613 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 19:44:29,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 19:44:29,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 19:44:29,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 19:44:33,086 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 19:44:33,086 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-30 19:44:33,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:44:33 BoogieIcfgContainer [2018-12-30 19:44:33,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 19:44:33,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 19:44:33,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 19:44:33,094 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 19:44:33,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 07:44:28" (1/3) ... [2018-12-30 19:44:33,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75406cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:44:33, skipping insertion in model container [2018-12-30 19:44:33,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 07:44:29" (2/3) ... [2018-12-30 19:44:33,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75406cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 07:44:33, skipping insertion in model container [2018-12-30 19:44:33,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:44:33" (3/3) ... [2018-12-30 19:44:33,101 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label25_true-unreach-call_false-termination.c [2018-12-30 19:44:33,113 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 19:44:33,127 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 19:44:33,148 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 19:44:33,203 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 19:44:33,204 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 19:44:33,205 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 19:44:33,205 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 19:44:33,205 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 19:44:33,205 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 19:44:33,205 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 19:44:33,206 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 19:44:33,206 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 19:44:33,240 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2018-12-30 19:44:33,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-30 19:44:33,256 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:44:33,257 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:44:33,260 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:44:33,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:44:33,267 INFO L82 PathProgramCache]: Analyzing trace with hash 975100445, now seen corresponding path program 1 times [2018-12-30 19:44:33,269 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:44:33,270 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:44:33,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:33,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:44:33,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:44:33,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:44:33,913 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:44:33,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:44:33,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:44:33,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:44:33,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:44:33,944 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2018-12-30 19:44:36,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:44:36,716 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2018-12-30 19:44:36,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:44:36,718 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2018-12-30 19:44:36,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:44:36,739 INFO L225 Difference]: With dead ends: 739 [2018-12-30 19:44:36,739 INFO L226 Difference]: Without dead ends: 445 [2018-12-30 19:44:36,744 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:44:36,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2018-12-30 19:44:36,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2018-12-30 19:44:36,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2018-12-30 19:44:36,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2018-12-30 19:44:36,832 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 134 [2018-12-30 19:44:36,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:44:36,833 INFO L480 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2018-12-30 19:44:36,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:44:36,834 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2018-12-30 19:44:36,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-30 19:44:36,839 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:44:36,839 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2018-12-30 19:44:36,839 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:44:36,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:44:36,840 INFO L82 PathProgramCache]: Analyzing trace with hash 375324510, now seen corresponding path program 1 times [2018-12-30 19:44:36,840 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:44:36,840 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:44:36,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:36,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:44:36,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:44:37,052 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:44:37,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:44:37,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:44:37,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:44:37,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:44:37,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:44:37,056 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2018-12-30 19:44:38,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:44:38,490 INFO L93 Difference]: Finished difference Result 1468 states and 2192 transitions. [2018-12-30 19:44:38,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:44:38,491 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2018-12-30 19:44:38,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:44:38,498 INFO L225 Difference]: With dead ends: 1468 [2018-12-30 19:44:38,498 INFO L226 Difference]: Without dead ends: 1025 [2018-12-30 19:44:38,502 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:44:38,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2018-12-30 19:44:38,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 729. [2018-12-30 19:44:38,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2018-12-30 19:44:38,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1052 transitions. [2018-12-30 19:44:38,543 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1052 transitions. Word has length 152 [2018-12-30 19:44:38,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:44:38,544 INFO L480 AbstractCegarLoop]: Abstraction has 729 states and 1052 transitions. [2018-12-30 19:44:38,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:44:38,544 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1052 transitions. [2018-12-30 19:44:38,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-30 19:44:38,549 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:44:38,550 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, 1, 1, 1, 1] [2018-12-30 19:44:38,550 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:44:38,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:44:38,550 INFO L82 PathProgramCache]: Analyzing trace with hash 185080212, now seen corresponding path program 1 times [2018-12-30 19:44:38,551 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:44:38,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:44:38,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:38,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:44:38,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:44:38,641 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:44:38,642 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:44:38,642 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 19:44:38,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:44:38,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:44:38,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:44:38,643 INFO L87 Difference]: Start difference. First operand 729 states and 1052 transitions. Second operand 3 states. [2018-12-30 19:44:40,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:44:40,792 INFO L93 Difference]: Finished difference Result 2019 states and 2906 transitions. [2018-12-30 19:44:40,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:44:40,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2018-12-30 19:44:40,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:44:40,804 INFO L225 Difference]: With dead ends: 2019 [2018-12-30 19:44:40,804 INFO L226 Difference]: Without dead ends: 1292 [2018-12-30 19:44:40,806 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:44:40,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2018-12-30 19:44:40,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1292. [2018-12-30 19:44:40,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1292 states. [2018-12-30 19:44:40,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 1740 transitions. [2018-12-30 19:44:40,856 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 1740 transitions. Word has length 156 [2018-12-30 19:44:40,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:44:40,858 INFO L480 AbstractCegarLoop]: Abstraction has 1292 states and 1740 transitions. [2018-12-30 19:44:40,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:44:40,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1740 transitions. [2018-12-30 19:44:40,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-30 19:44:40,864 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:44:40,864 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:44:40,865 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:44:40,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:44:40,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1769381024, now seen corresponding path program 1 times [2018-12-30 19:44:40,866 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:44:40,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:44:40,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:40,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:44:40,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:44:41,133 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 19:44:41,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:44:41,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:44:41,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:44:41,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:44:41,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:44:41,135 INFO L87 Difference]: Start difference. First operand 1292 states and 1740 transitions. Second operand 4 states. [2018-12-30 19:44:42,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:44:42,381 INFO L93 Difference]: Finished difference Result 3847 states and 5106 transitions. [2018-12-30 19:44:42,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-30 19:44:42,382 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2018-12-30 19:44:42,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:44:42,394 INFO L225 Difference]: With dead ends: 3847 [2018-12-30 19:44:42,394 INFO L226 Difference]: Without dead ends: 2557 [2018-12-30 19:44:42,397 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:44:42,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2557 states. [2018-12-30 19:44:42,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2557 to 2133. [2018-12-30 19:44:42,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2018-12-30 19:44:42,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2651 transitions. [2018-12-30 19:44:42,445 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2651 transitions. Word has length 165 [2018-12-30 19:44:42,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:44:42,446 INFO L480 AbstractCegarLoop]: Abstraction has 2133 states and 2651 transitions. [2018-12-30 19:44:42,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:44:42,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2651 transitions. [2018-12-30 19:44:42,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-30 19:44:42,451 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:44:42,451 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:44:42,452 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:44:42,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:44:42,452 INFO L82 PathProgramCache]: Analyzing trace with hash -48138153, now seen corresponding path program 1 times [2018-12-30 19:44:42,452 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:44:42,452 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:44:42,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:42,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:44:42,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:44:42,597 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-30 19:44:42,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:44:42,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-30 19:44:42,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-30 19:44:42,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-30 19:44:42,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:44:42,598 INFO L87 Difference]: Start difference. First operand 2133 states and 2651 transitions. Second operand 4 states. [2018-12-30 19:44:43,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:44:43,246 INFO L93 Difference]: Finished difference Result 4264 states and 5300 transitions. [2018-12-30 19:44:43,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:44:43,247 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 172 [2018-12-30 19:44:43,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:44:43,256 INFO L225 Difference]: With dead ends: 4264 [2018-12-30 19:44:43,257 INFO L226 Difference]: Without dead ends: 2133 [2018-12-30 19:44:43,260 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-30 19:44:43,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2018-12-30 19:44:43,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 1713. [2018-12-30 19:44:43,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1713 states. [2018-12-30 19:44:43,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2014 transitions. [2018-12-30 19:44:43,294 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2014 transitions. Word has length 172 [2018-12-30 19:44:43,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:44:43,294 INFO L480 AbstractCegarLoop]: Abstraction has 1713 states and 2014 transitions. [2018-12-30 19:44:43,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-30 19:44:43,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2014 transitions. [2018-12-30 19:44:43,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-30 19:44:43,299 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:44:43,299 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2018-12-30 19:44:43,299 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:44:43,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:44:43,300 INFO L82 PathProgramCache]: Analyzing trace with hash 806895735, now seen corresponding path program 1 times [2018-12-30 19:44:43,300 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:44:43,300 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:44:43,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:43,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:44:43,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:44:43,414 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-30 19:44:43,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:44:43,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:44:43,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:44:43,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:44:43,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:44:43,416 INFO L87 Difference]: Start difference. First operand 1713 states and 2014 transitions. Second operand 3 states. [2018-12-30 19:44:44,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:44:44,187 INFO L93 Difference]: Finished difference Result 3710 states and 4325 transitions. [2018-12-30 19:44:44,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:44:44,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2018-12-30 19:44:44,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:44:44,196 INFO L225 Difference]: With dead ends: 3710 [2018-12-30 19:44:44,197 INFO L226 Difference]: Without dead ends: 1857 [2018-12-30 19:44:44,200 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:44:44,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2018-12-30 19:44:44,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1711. [2018-12-30 19:44:44,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1711 states. [2018-12-30 19:44:44,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1711 states and 1947 transitions. [2018-12-30 19:44:44,234 INFO L78 Accepts]: Start accepts. Automaton has 1711 states and 1947 transitions. Word has length 185 [2018-12-30 19:44:44,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:44:44,235 INFO L480 AbstractCegarLoop]: Abstraction has 1711 states and 1947 transitions. [2018-12-30 19:44:44,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:44:44,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 1947 transitions. [2018-12-30 19:44:44,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-30 19:44:44,240 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:44:44,240 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-30 19:44:44,241 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:44:44,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:44:44,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1184204288, now seen corresponding path program 1 times [2018-12-30 19:44:44,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:44:44,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:44:44,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:44,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:44:44,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:44:44,397 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-30 19:44:44,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 19:44:44,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-30 19:44:44,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 19:44:44,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 19:44:44,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:44:44,399 INFO L87 Difference]: Start difference. First operand 1711 states and 1947 transitions. Second operand 3 states. [2018-12-30 19:44:44,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:44:44,978 INFO L93 Difference]: Finished difference Result 4116 states and 4672 transitions. [2018-12-30 19:44:44,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 19:44:44,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2018-12-30 19:44:44,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:44:44,986 INFO L225 Difference]: With dead ends: 4116 [2018-12-30 19:44:44,986 INFO L226 Difference]: Without dead ends: 1704 [2018-12-30 19:44:44,989 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 19:44:44,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2018-12-30 19:44:45,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1564. [2018-12-30 19:44:45,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1564 states. [2018-12-30 19:44:45,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 1712 transitions. [2018-12-30 19:44:45,015 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 1712 transitions. Word has length 194 [2018-12-30 19:44:45,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:44:45,015 INFO L480 AbstractCegarLoop]: Abstraction has 1564 states and 1712 transitions. [2018-12-30 19:44:45,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 19:44:45,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 1712 transitions. [2018-12-30 19:44:45,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-30 19:44:45,019 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 19:44:45,019 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-30 19:44:45,020 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 19:44:45,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 19:44:45,020 INFO L82 PathProgramCache]: Analyzing trace with hash 2080879011, now seen corresponding path program 1 times [2018-12-30 19:44:45,020 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 19:44:45,020 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 19:44:45,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:45,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:44:45,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 19:44:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:44:45,443 WARN L181 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-12-30 19:44:45,667 WARN L181 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-12-30 19:44:45,799 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-30 19:44:45,799 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-30 19:44:45,799 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-30 19:44:45,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 19:44:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 19:44:45,907 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 19:44:46,106 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-30 19:44:46,136 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-30 19:44:46,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-12-30 19:44:46,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-30 19:44:46,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-30 19:44:46,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-12-30 19:44:46,137 INFO L87 Difference]: Start difference. First operand 1564 states and 1712 transitions. Second operand 8 states. [2018-12-30 19:44:46,494 WARN L181 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-12-30 19:44:46,998 WARN L181 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-12-30 19:44:52,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 19:44:52,264 INFO L93 Difference]: Finished difference Result 2997 states and 3254 transitions. [2018-12-30 19:44:52,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-30 19:44:52,266 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 208 [2018-12-30 19:44:52,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 19:44:52,266 INFO L225 Difference]: With dead ends: 2997 [2018-12-30 19:44:52,267 INFO L226 Difference]: Without dead ends: 0 [2018-12-30 19:44:52,269 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-12-30 19:44:52,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-30 19:44:52,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-30 19:44:52,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-30 19:44:52,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-30 19:44:52,270 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 208 [2018-12-30 19:44:52,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 19:44:52,270 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-30 19:44:52,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-30 19:44:52,271 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-30 19:44:52,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-30 19:44:52,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-30 19:44:52,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:44:52,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-30 19:44:53,917 WARN L181 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2018-12-30 19:44:54,151 WARN L181 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2018-12-30 19:44:54,155 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,155 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,155 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,155 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-30 19:44:54,155 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-30 19:44:54,155 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-30 19:44:54,155 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-30 19:44:54,155 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-30 19:44:54,156 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-30 19:44:54,156 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-30 19:44:54,156 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,156 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,156 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,156 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-30 19:44:54,156 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-30 19:44:54,156 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-30 19:44:54,156 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-30 19:44:54,156 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-30 19:44:54,157 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-30 19:44:54,157 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-30 19:44:54,157 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,157 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,157 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,157 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-30 19:44:54,157 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-30 19:44:54,157 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-30 19:44:54,157 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-30 19:44:54,157 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-30 19:44:54,157 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,158 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,158 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,158 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-30 19:44:54,158 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-30 19:44:54,158 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 574) no Hoare annotation was computed. [2018-12-30 19:44:54,158 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-30 19:44:54,158 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-30 19:44:54,158 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-30 19:44:54,158 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-30 19:44:54,159 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-30 19:44:54,159 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-30 19:44:54,159 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,159 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,159 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,159 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-30 19:44:54,159 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-30 19:44:54,159 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-30 19:44:54,160 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-30 19:44:54,160 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-30 19:44:54,160 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-30 19:44:54,160 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-30 19:44:54,160 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-30 19:44:54,160 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,160 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,160 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,160 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-30 19:44:54,161 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-30 19:44:54,161 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-30 19:44:54,161 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-30 19:44:54,161 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-30 19:44:54,161 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-30 19:44:54,161 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-30 19:44:54,161 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-30 19:44:54,161 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-30 19:44:54,161 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,161 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,162 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,162 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-30 19:44:54,162 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-30 19:44:54,162 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-30 19:44:54,162 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-30 19:44:54,162 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-30 19:44:54,162 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-30 19:44:54,162 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,162 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,162 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,163 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-30 19:44:54,163 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-30 19:44:54,163 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-30 19:44:54,163 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-30 19:44:54,163 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-30 19:44:54,163 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-30 19:44:54,163 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-30 19:44:54,163 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-30 19:44:54,163 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-30 19:44:54,163 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,164 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,164 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,164 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-30 19:44:54,164 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-30 19:44:54,164 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-30 19:44:54,164 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-30 19:44:54,164 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-30 19:44:54,164 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,164 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,164 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,164 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-30 19:44:54,165 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-30 19:44:54,165 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-30 19:44:54,165 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-30 19:44:54,165 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-30 19:44:54,165 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-30 19:44:54,165 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-30 19:44:54,165 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-30 19:44:54,165 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-30 19:44:54,165 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-30 19:44:54,165 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-30 19:44:54,166 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-30 19:44:54,166 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,166 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,166 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-30 19:44:54,166 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-30 19:44:54,166 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-30 19:44:54,166 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-30 19:44:54,166 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-30 19:44:54,166 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-30 19:44:54,166 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-30 19:44:54,166 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-30 19:44:54,167 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-30 19:44:54,167 INFO L444 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse9 (= ~a25~0 1))) (let ((.cse8 (not .cse9)) (.cse5 (= ~a17~0 8))) (let ((.cse1 (and .cse8 .cse5)) (.cse0 (<= ~a19~0 0)) (.cse4 (not (= ~a28~0 11))) (.cse7 (<= ~a17~0 7)) (.cse2 (= ~a19~0 1)) (.cse6 (= ~a21~0 1)) (.cse3 (= ~a11~0 1))) (or (and .cse0 .cse1) (and .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse4) (and .cse7 .cse2 .cse8 .cse3) (and (not (= 3 ULTIMATE.start_calculate_output_~input)) .cse5 .cse2 .cse6 .cse9 (not .cse3)) (and .cse5 .cse2 .cse9 .cse4) (and .cse0 .cse4) (and .cse7 .cse2 (= ~a28~0 7) .cse6 .cse3))))) [2018-12-30 19:44:54,167 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,167 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,167 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-30 19:44:54,167 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-30 19:44:54,168 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-30 19:44:54,168 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-30 19:44:54,168 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-30 19:44:54,168 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-30 19:44:54,168 INFO L451 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2018-12-30 19:44:54,168 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,168 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,168 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-30 19:44:54,168 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-30 19:44:54,168 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-30 19:44:54,168 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-30 19:44:54,169 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-30 19:44:54,169 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-30 19:44:54,169 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-30 19:44:54,169 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-30 19:44:54,169 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-30 19:44:54,169 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,169 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,169 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-30 19:44:54,169 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-30 19:44:54,169 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-30 19:44:54,169 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-30 19:44:54,169 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-30 19:44:54,170 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-30 19:44:54,170 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse9 (= ~a25~0 1))) (let ((.cse8 (not .cse9)) (.cse5 (= ~a17~0 8))) (let ((.cse1 (and .cse8 .cse5)) (.cse0 (<= ~a19~0 0)) (.cse4 (not (= ~a28~0 11))) (.cse7 (<= ~a17~0 7)) (.cse2 (= ~a19~0 1)) (.cse6 (= ~a21~0 1)) (.cse3 (= ~a11~0 1))) (or (and .cse0 .cse1) (and .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse4) (and .cse7 .cse2 .cse8 .cse3) (and (not (= 3 ULTIMATE.start_calculate_output_~input)) .cse5 .cse2 .cse6 .cse9 (not .cse3)) (and .cse5 .cse2 .cse9 .cse4) (and .cse0 .cse4) (and .cse7 .cse2 (= ~a28~0 7) .cse6 .cse3))))) [2018-12-30 19:44:54,170 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,170 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,170 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-30 19:44:54,170 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-30 19:44:54,170 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-30 19:44:54,170 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-30 19:44:54,170 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-30 19:44:54,171 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,171 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,171 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-30 19:44:54,171 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-30 19:44:54,171 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-30 19:44:54,171 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-30 19:44:54,171 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-30 19:44:54,171 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-30 19:44:54,171 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-30 19:44:54,171 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-30 19:44:54,172 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-30 19:44:54,172 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,172 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,172 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-30 19:44:54,172 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,172 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-30 19:44:54,172 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-30 19:44:54,172 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-30 19:44:54,172 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-30 19:44:54,172 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-30 19:44:54,172 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-30 19:44:54,172 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-30 19:44:54,173 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,173 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,173 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,173 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-30 19:44:54,173 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-30 19:44:54,173 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-30 19:44:54,173 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-30 19:44:54,173 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-30 19:44:54,173 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,173 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,173 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,174 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-30 19:44:54,174 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-30 19:44:54,174 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-30 19:44:54,174 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-30 19:44:54,174 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-30 19:44:54,174 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-30 19:44:54,174 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,174 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,174 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,174 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-30 19:44:54,174 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-30 19:44:54,175 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-30 19:44:54,175 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-30 19:44:54,175 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-30 19:44:54,175 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-30 19:44:54,175 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-30 19:44:54,175 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-30 19:44:54,175 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-30 19:44:54,175 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,175 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,175 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,175 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-30 19:44:54,175 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-30 19:44:54,176 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-30 19:44:54,176 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-30 19:44:54,176 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-30 19:44:54,176 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,176 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,176 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-30 19:44:54,176 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-30 19:44:54,176 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-30 19:44:54,176 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-30 19:44:54,176 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-30 19:44:54,177 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-30 19:44:54,177 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-30 19:44:54,177 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-30 19:44:54,177 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-30 19:44:54,177 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-30 19:44:54,177 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-30 19:44:54,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 07:44:54 BoogieIcfgContainer [2018-12-30 19:44:54,201 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 19:44:54,202 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 19:44:54,202 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 19:44:54,202 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 19:44:54,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 07:44:33" (3/4) ... [2018-12-30 19:44:54,206 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-30 19:44:54,237 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-30 19:44:54,244 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-30 19:44:54,455 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-30 19:44:54,455 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 19:44:54,456 INFO L168 Benchmark]: Toolchain (without parser) took 25816.51 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 366.0 MB). Free memory was 954.0 MB in the beginning and 1.2 GB in the end (delta: -234.8 MB). Peak memory consumption was 131.1 MB. Max. memory is 11.5 GB. [2018-12-30 19:44:54,457 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-12-30 19:44:54,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.36 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 921.8 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-30 19:44:54,458 INFO L168 Benchmark]: Boogie Procedure Inliner took 191.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 921.8 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-12-30 19:44:54,458 INFO L168 Benchmark]: Boogie Preprocessor took 69.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-30 19:44:54,459 INFO L168 Benchmark]: RCFGBuilder took 3477.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.0 MB in the end (delta: 107.1 MB). Peak memory consumption was 107.1 MB. Max. memory is 11.5 GB. [2018-12-30 19:44:54,459 INFO L168 Benchmark]: TraceAbstraction took 21111.90 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 240.6 MB). Free memory was 998.0 MB in the beginning and 1.2 GB in the end (delta: -213.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-12-30 19:44:54,462 INFO L168 Benchmark]: Witness Printer took 253.16 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-12-30 19:44:54,465 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 707.36 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 921.8 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 191.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 921.8 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3477.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.0 MB in the end (delta: 107.1 MB). Peak memory consumption was 107.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21111.90 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 240.6 MB). Free memory was 998.0 MB in the beginning and 1.2 GB in the end (delta: -213.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Witness Printer took 253.16 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 574]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((a19 <= 0 && !(a25 == 1) && a17 == 8) || ((((!(a25 == 1) && a17 == 8) && a19 == 1) && a11 == 1) && !(a28 == 11))) || (((a17 == 8 && a19 == 1) && a21 == 1) && !(a28 == 11))) || (((a17 <= 7 && a19 == 1) && !(a25 == 1)) && a11 == 1)) || (((((!(3 == input) && a17 == 8) && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1))) || (((a17 == 8 && a19 == 1) && a25 == 1) && !(a28 == 11))) || (a19 <= 0 && !(a28 == 11))) || ((((a17 <= 7 && a19 == 1) && a28 == 7) && a21 == 1) && a11 == 1) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((a19 <= 0 && !(a25 == 1) && a17 == 8) || ((((!(a25 == 1) && a17 == 8) && a19 == 1) && a11 == 1) && !(a28 == 11))) || (((a17 == 8 && a19 == 1) && a21 == 1) && !(a28 == 11))) || (((a17 <= 7 && a19 == 1) && !(a25 == 1)) && a11 == 1)) || (((((!(3 == input) && a17 == 8) && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1))) || (((a17 == 8 && a19 == 1) && a25 == 1) && !(a28 == 11))) || (a19 <= 0 && !(a28 == 11))) || ((((a17 <= 7 && a19 == 1) && a28 == 7) && a21 == 1) && a11 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 20.9s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 15.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1028 SDtfs, 2397 SDslu, 287 SDs, 0 SdLazy, 5422 SolverSat, 877 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 246 GetRequests, 222 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2133occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1426 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 52 NumberOfFragments, 239 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1002 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 518 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1574 NumberOfCodeBlocks, 1574 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1565 ConstructedInterpolants, 0 QuantifiedInterpolants, 478488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 376 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 611/614 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...