./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem01_label53_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/eca-rers2012/Problem01_label53_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 bab2da56573ef206e3542dbf4ea35e0da738901e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 16:41:53,650 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 16:41:53,652 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 16:41:53,665 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 16:41:53,665 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 16:41:53,666 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 16:41:53,668 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 16:41:53,670 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 16:41:53,671 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 16:41:53,672 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 16:41:53,673 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 16:41:53,674 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 16:41:53,674 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 16:41:53,676 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 16:41:53,677 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 16:41:53,678 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 16:41:53,679 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 16:41:53,681 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 16:41:53,683 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 16:41:53,685 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 16:41:53,686 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 16:41:53,687 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 16:41:53,690 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 16:41:53,690 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 16:41:53,690 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 16:41:53,691 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 16:41:53,693 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 16:41:53,694 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 16:41:53,696 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 16:41:53,697 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 16:41:53,697 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 16:41:53,697 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 16:41:53,698 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 16:41:53,698 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 16:41:53,699 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 16:41:53,701 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 16:41:53,701 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 16:41:53,716 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 16:41:53,716 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 16:41:53,717 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 16:41:53,717 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 16:41:53,718 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 16:41:53,718 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 16:41:53,718 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 16:41:53,719 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 16:41:53,719 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 16:41:53,719 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 16:41:53,720 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 16:41:53,720 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 16:41:53,720 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 16:41:53,720 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 16:41:53,720 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 16:41:53,720 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 16:41:53,721 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 16:41:53,721 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 16:41:53,721 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 16:41:53,721 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 16:41:53,721 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 16:41:53,721 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 16:41:53,722 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 16:41:53,724 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 16:41:53,724 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 16:41:53,724 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 16:41:53,724 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 16:41:53,724 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 16:41:53,725 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 16:41:53,725 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 16:41:53,725 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 -> bab2da56573ef206e3542dbf4ea35e0da738901e [2018-11-28 16:41:53,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 16:41:53,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 16:41:53,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 16:41:53,799 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 16:41:53,800 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 16:41:53,800 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem01_label53_true-unreach-call_false-termination.c [2018-11-28 16:41:53,870 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a06dce43/36c3bd3be82a4e16a9680f061a60ac0b/FLAGef97b9508 [2018-11-28 16:41:54,434 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 16:41:54,435 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem01_label53_true-unreach-call_false-termination.c [2018-11-28 16:41:54,451 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a06dce43/36c3bd3be82a4e16a9680f061a60ac0b/FLAGef97b9508 [2018-11-28 16:41:54,701 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a06dce43/36c3bd3be82a4e16a9680f061a60ac0b [2018-11-28 16:41:54,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 16:41:54,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 16:41:54,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 16:41:54,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 16:41:54,714 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 16:41:54,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:54" (1/1) ... [2018-11-28 16:41:54,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a438b25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:54, skipping insertion in model container [2018-11-28 16:41:54,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:54" (1/1) ... [2018-11-28 16:41:54,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 16:41:54,795 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 16:41:55,281 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:41:55,296 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 16:41:55,483 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:41:55,505 INFO L195 MainTranslator]: Completed translation [2018-11-28 16:41:55,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:55 WrapperNode [2018-11-28 16:41:55,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 16:41:55,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 16:41:55,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 16:41:55,507 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 16:41:55,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:55" (1/1) ... [2018-11-28 16:41:55,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:55" (1/1) ... [2018-11-28 16:41:55,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 16:41:55,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 16:41:55,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 16:41:55,547 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 16:41:55,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:55" (1/1) ... [2018-11-28 16:41:55,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:55" (1/1) ... [2018-11-28 16:41:55,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:55" (1/1) ... [2018-11-28 16:41:55,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:55" (1/1) ... [2018-11-28 16:41:55,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:55" (1/1) ... [2018-11-28 16:41:55,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:55" (1/1) ... [2018-11-28 16:41:55,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:55" (1/1) ... [2018-11-28 16:41:55,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 16:41:55,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 16:41:55,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 16:41:55,736 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 16:41:55,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 16:41:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 16:41:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 16:41:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 16:41:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 16:41:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 16:41:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 16:41:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 16:41:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 16:41:59,015 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 16:41:59,015 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 16:41:59,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:59 BoogieIcfgContainer [2018-11-28 16:41:59,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 16:41:59,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 16:41:59,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 16:41:59,024 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 16:41:59,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:41:54" (1/3) ... [2018-11-28 16:41:59,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ae58e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:41:59, skipping insertion in model container [2018-11-28 16:41:59,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:55" (2/3) ... [2018-11-28 16:41:59,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ae58e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:41:59, skipping insertion in model container [2018-11-28 16:41:59,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:59" (3/3) ... [2018-11-28 16:41:59,028 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label53_true-unreach-call_false-termination.c [2018-11-28 16:41:59,042 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 16:41:59,055 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 16:41:59,074 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 16:41:59,118 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 16:41:59,119 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 16:41:59,119 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 16:41:59,119 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 16:41:59,120 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 16:41:59,120 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 16:41:59,120 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 16:41:59,120 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 16:41:59,120 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 16:41:59,152 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-28 16:41:59,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-28 16:41:59,165 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:59,166 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] [2018-11-28 16:41:59,169 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:59,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:59,174 INFO L82 PathProgramCache]: Analyzing trace with hash 597031182, now seen corresponding path program 1 times [2018-11-28 16:41:59,176 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:59,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:59,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:59,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:59,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:59,901 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 16:42:00,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:00,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:00,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:42:00,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:42:00,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:42:00,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:42:00,090 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-28 16:42:01,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:01,609 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-28 16:42:01,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:42:01,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2018-11-28 16:42:01,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:01,629 INFO L225 Difference]: With dead ends: 547 [2018-11-28 16:42:01,629 INFO L226 Difference]: Without dead ends: 278 [2018-11-28 16:42:01,641 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:42:01,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-11-28 16:42:01,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-11-28 16:42:01,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-11-28 16:42:01,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2018-11-28 16:42:01,726 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 120 [2018-11-28 16:42:01,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:01,727 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2018-11-28 16:42:01,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:42:01,728 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2018-11-28 16:42:01,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-28 16:42:01,732 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:01,733 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 16:42:01,733 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:01,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:01,734 INFO L82 PathProgramCache]: Analyzing trace with hash 330455461, now seen corresponding path program 1 times [2018-11-28 16:42:01,734 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:01,734 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:01,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:01,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:01,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:01,949 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:01,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:01,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:42:01,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:42:01,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:42:01,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:42:01,955 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2018-11-28 16:42:03,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:03,585 INFO L93 Difference]: Finished difference Result 703 states and 1026 transitions. [2018-11-28 16:42:03,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:42:03,587 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2018-11-28 16:42:03,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:03,594 INFO L225 Difference]: With dead ends: 703 [2018-11-28 16:42:03,594 INFO L226 Difference]: Without dead ends: 431 [2018-11-28 16:42:03,596 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:42:03,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-11-28 16:42:03,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2018-11-28 16:42:03,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-11-28 16:42:03,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2018-11-28 16:42:03,632 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 130 [2018-11-28 16:42:03,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:03,632 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2018-11-28 16:42:03,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:42:03,633 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2018-11-28 16:42:03,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-28 16:42:03,637 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:03,637 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 16:42:03,638 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:03,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:03,638 INFO L82 PathProgramCache]: Analyzing trace with hash -46995225, now seen corresponding path program 1 times [2018-11-28 16:42:03,638 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:03,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:03,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:03,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:03,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:04,102 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:04,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:04,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 16:42:04,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:42:04,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:42:04,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:04,104 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 5 states. [2018-11-28 16:42:04,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:04,946 INFO L93 Difference]: Finished difference Result 933 states and 1337 transitions. [2018-11-28 16:42:04,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 16:42:04,947 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2018-11-28 16:42:04,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:04,951 INFO L225 Difference]: With dead ends: 933 [2018-11-28 16:42:04,951 INFO L226 Difference]: Without dead ends: 417 [2018-11-28 16:42:04,953 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:04,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-11-28 16:42:04,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2018-11-28 16:42:04,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2018-11-28 16:42:04,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 550 transitions. [2018-11-28 16:42:04,980 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 550 transitions. Word has length 131 [2018-11-28 16:42:04,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:04,980 INFO L480 AbstractCegarLoop]: Abstraction has 417 states and 550 transitions. [2018-11-28 16:42:04,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:42:04,980 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 550 transitions. [2018-11-28 16:42:04,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-28 16:42:04,984 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:04,984 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 16:42:04,985 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:04,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:04,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1746951265, now seen corresponding path program 1 times [2018-11-28 16:42:04,985 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:04,985 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:04,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:04,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:04,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:05,404 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:05,404 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:05,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 16:42:05,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:42:05,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:42:05,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:05,406 INFO L87 Difference]: Start difference. First operand 417 states and 550 transitions. Second operand 5 states. [2018-11-28 16:42:06,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:06,159 INFO L93 Difference]: Finished difference Result 912 states and 1228 transitions. [2018-11-28 16:42:06,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 16:42:06,162 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2018-11-28 16:42:06,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:06,165 INFO L225 Difference]: With dead ends: 912 [2018-11-28 16:42:06,165 INFO L226 Difference]: Without dead ends: 417 [2018-11-28 16:42:06,166 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:06,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-11-28 16:42:06,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2018-11-28 16:42:06,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2018-11-28 16:42:06,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 547 transitions. [2018-11-28 16:42:06,186 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 547 transitions. Word has length 132 [2018-11-28 16:42:06,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:06,186 INFO L480 AbstractCegarLoop]: Abstraction has 417 states and 547 transitions. [2018-11-28 16:42:06,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:42:06,186 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 547 transitions. [2018-11-28 16:42:06,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-28 16:42:06,189 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:06,189 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 16:42:06,189 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:06,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:06,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1219225115, now seen corresponding path program 1 times [2018-11-28 16:42:06,190 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:06,190 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:06,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:06,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:06,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:06,372 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:06,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:06,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:42:06,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:42:06,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:42:06,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:42:06,374 INFO L87 Difference]: Start difference. First operand 417 states and 547 transitions. Second operand 3 states. [2018-11-28 16:42:08,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:08,066 INFO L93 Difference]: Finished difference Result 1237 states and 1661 transitions. [2018-11-28 16:42:08,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:42:08,067 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2018-11-28 16:42:08,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:08,071 INFO L225 Difference]: With dead ends: 1237 [2018-11-28 16:42:08,072 INFO L226 Difference]: Without dead ends: 826 [2018-11-28 16:42:08,076 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:42:08,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2018-11-28 16:42:08,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 826. [2018-11-28 16:42:08,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 826 states. [2018-11-28 16:42:08,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1069 transitions. [2018-11-28 16:42:08,119 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1069 transitions. Word has length 137 [2018-11-28 16:42:08,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:08,119 INFO L480 AbstractCegarLoop]: Abstraction has 826 states and 1069 transitions. [2018-11-28 16:42:08,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:42:08,121 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1069 transitions. [2018-11-28 16:42:08,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-28 16:42:08,125 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:08,125 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:08,126 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:08,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:08,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1710204053, now seen corresponding path program 1 times [2018-11-28 16:42:08,127 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:08,127 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:08,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:08,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:08,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:08,347 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:08,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:08,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:42:08,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:42:08,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:42:08,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:42:08,349 INFO L87 Difference]: Start difference. First operand 826 states and 1069 transitions. Second operand 6 states. [2018-11-28 16:42:09,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:09,141 INFO L93 Difference]: Finished difference Result 2375 states and 3230 transitions. [2018-11-28 16:42:09,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:42:09,142 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-11-28 16:42:09,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:09,151 INFO L225 Difference]: With dead ends: 2375 [2018-11-28 16:42:09,151 INFO L226 Difference]: Without dead ends: 1555 [2018-11-28 16:42:09,154 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:42:09,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2018-11-28 16:42:09,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1531. [2018-11-28 16:42:09,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1531 states. [2018-11-28 16:42:09,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1928 transitions. [2018-11-28 16:42:09,214 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1928 transitions. Word has length 138 [2018-11-28 16:42:09,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:09,214 INFO L480 AbstractCegarLoop]: Abstraction has 1531 states and 1928 transitions. [2018-11-28 16:42:09,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:42:09,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1928 transitions. [2018-11-28 16:42:09,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-28 16:42:09,220 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:09,220 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:09,220 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:09,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:09,221 INFO L82 PathProgramCache]: Analyzing trace with hash -2034569339, now seen corresponding path program 1 times [2018-11-28 16:42:09,221 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:09,221 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:09,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:09,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:09,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:09,467 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 16:42:09,736 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 16:42:09,737 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:42:09,737 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 16:42:09,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:09,861 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:42:10,093 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:10,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 16:42:10,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-11-28 16:42:10,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:42:10,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:42:10,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:42:10,125 INFO L87 Difference]: Start difference. First operand 1531 states and 1928 transitions. Second operand 5 states. [2018-11-28 16:42:11,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:11,805 INFO L93 Difference]: Finished difference Result 4172 states and 5350 transitions. [2018-11-28 16:42:11,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:42:11,806 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2018-11-28 16:42:11,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:11,823 INFO L225 Difference]: With dead ends: 4172 [2018-11-28 16:42:11,823 INFO L226 Difference]: Without dead ends: 2647 [2018-11-28 16:42:11,827 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 148 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-28 16:42:11,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2647 states. [2018-11-28 16:42:11,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2647 to 1805. [2018-11-28 16:42:11,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1805 states. [2018-11-28 16:42:11,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 2259 transitions. [2018-11-28 16:42:11,927 INFO L78 Accepts]: Start accepts. Automaton has 1805 states and 2259 transitions. Word has length 146 [2018-11-28 16:42:11,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:11,928 INFO L480 AbstractCegarLoop]: Abstraction has 1805 states and 2259 transitions. [2018-11-28 16:42:11,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:42:11,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2259 transitions. [2018-11-28 16:42:11,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-28 16:42:11,939 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:11,939 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:11,939 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:11,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:11,940 INFO L82 PathProgramCache]: Analyzing trace with hash 795457010, now seen corresponding path program 1 times [2018-11-28 16:42:11,940 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:11,940 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:11,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:11,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:11,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:12,417 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-28 16:42:12,984 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-11-28 16:42:13,321 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-11-28 16:42:13,472 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:13,472 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:42:13,472 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 16:42:13,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:13,568 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:42:13,788 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 16:42:13,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 16:42:13,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2018-11-28 16:42:13,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 16:42:13,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 16:42:13,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-11-28 16:42:13,811 INFO L87 Difference]: Start difference. First operand 1805 states and 2259 transitions. Second operand 12 states. [2018-11-28 16:42:14,320 WARN L180 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2018-11-28 16:42:14,464 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2018-11-28 16:42:15,128 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 59 [2018-11-28 16:42:16,022 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2018-11-28 16:42:16,788 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 57 [2018-11-28 16:42:19,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:19,143 INFO L93 Difference]: Finished difference Result 4760 states and 6221 transitions. [2018-11-28 16:42:19,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-28 16:42:19,145 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 179 [2018-11-28 16:42:19,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:19,146 INFO L225 Difference]: With dead ends: 4760 [2018-11-28 16:42:19,146 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 16:42:19,159 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=291, Invalid=765, Unknown=0, NotChecked=0, Total=1056 [2018-11-28 16:42:19,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 16:42:19,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 16:42:19,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 16:42:19,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 16:42:19,160 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2018-11-28 16:42:19,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:19,160 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 16:42:19,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 16:42:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 16:42:19,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 16:42:19,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 16:42:19,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:19,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:19,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:19,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:19,413 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 137 [2018-11-28 16:42:19,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:19,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:19,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:19,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:19,591 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 137 [2018-11-28 16:42:19,763 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-28 16:42:20,361 WARN L180 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2018-11-28 16:42:22,835 WARN L180 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2018-11-28 16:42:24,276 WARN L180 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 138 DAG size of output: 40 [2018-11-28 16:42:24,842 WARN L180 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 40 [2018-11-28 16:42:24,845 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:42:24,845 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= |old(~a7~0)| ~a7~0) (= ~a8~0 |old(~a8~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|)) [2018-11-28 16:42:24,845 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:42:24,846 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-28 16:42:24,846 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-28 16:42:24,846 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,846 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,846 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,846 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,846 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,846 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,846 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-28 16:42:24,846 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-28 16:42:24,848 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-28 16:42:24,848 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-28 16:42:24,848 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-28 16:42:24,848 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-28 16:42:24,848 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-28 16:42:24,848 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-28 16:42:24,848 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-28 16:42:24,848 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-28 16:42:24,849 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,849 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,849 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,849 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,849 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,849 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,849 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-28 16:42:24,849 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-28 16:42:24,849 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-28 16:42:24,849 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-28 16:42:24,850 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-28 16:42:24,850 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-28 16:42:24,850 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-28 16:42:24,850 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-28 16:42:24,850 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-28 16:42:24,852 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-28 16:42:24,852 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-28 16:42:24,852 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-28 16:42:24,852 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-28 16:42:24,852 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-28 16:42:24,852 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-28 16:42:24,852 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,853 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,853 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,853 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,853 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,853 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-28 16:42:24,853 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-28 16:42:24,853 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-28 16:42:24,853 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-28 16:42:24,853 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-28 16:42:24,854 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-28 16:42:24,854 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-28 16:42:24,854 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-28 16:42:24,854 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-28 16:42:24,854 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,854 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,854 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,854 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,854 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,854 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-28 16:42:24,854 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-28 16:42:24,855 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-28 16:42:24,855 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-28 16:42:24,855 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-28 16:42:24,855 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-28 16:42:24,855 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-28 16:42:24,855 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-28 16:42:24,855 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-28 16:42:24,855 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-28 16:42:24,855 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-28 16:42:24,855 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-28 16:42:24,855 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-28 16:42:24,856 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,856 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,856 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,856 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,856 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,856 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-28 16:42:24,856 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-28 16:42:24,856 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-28 16:42:24,856 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-28 16:42:24,856 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-28 16:42:24,856 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-28 16:42:24,857 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-28 16:42:24,857 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-28 16:42:24,857 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-28 16:42:24,857 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,857 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2018-11-28 16:42:24,857 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,857 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,857 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,857 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,858 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,858 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-28 16:42:24,858 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,858 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-28 16:42:24,858 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-28 16:42:24,858 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-28 16:42:24,858 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-28 16:42:24,858 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-28 16:42:24,858 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-28 16:42:24,858 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-28 16:42:24,858 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-28 16:42:24,859 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-28 16:42:24,859 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-28 16:42:24,859 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-28 16:42:24,859 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-28 16:42:24,859 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-28 16:42:24,859 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,859 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,859 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,859 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,859 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,859 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-28 16:42:24,860 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-28 16:42:24,860 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-28 16:42:24,860 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-28 16:42:24,860 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-28 16:42:24,860 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-28 16:42:24,860 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-28 16:42:24,860 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-28 16:42:24,860 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,860 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,860 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,861 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,861 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,861 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-28 16:42:24,861 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-28 16:42:24,861 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-28 16:42:24,861 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-28 16:42:24,861 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-28 16:42:24,861 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-28 16:42:24,861 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-28 16:42:24,861 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-28 16:42:24,861 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-28 16:42:24,862 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-28 16:42:24,862 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse6 (= ~a17~0 |old(~a17~0)|)) (.cse8 (= |old(~a7~0)| ~a7~0)) (.cse11 (= ~a8~0 |old(~a8~0)|)) (.cse9 (= |old(~a16~0)| ~a16~0)) (.cse7 (= ~a20~0 |old(~a20~0)|))) (let ((.cse4 (= 1 |old(~a7~0)|)) (.cse1 (and .cse6 .cse8 .cse11 .cse9 .cse7)) (.cse0 (= 6 |old(~a16~0)|)) (.cse2 (= 14 |old(~a8~0)|)) (.cse5 (not (= 1 |old(~a20~0)|))) (.cse3 (not (= 8 ~a12~0))) (.cse10 (= 1 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3 .cse1) (or (or .cse4 .cse2 .cse3) (and .cse6 .cse7 (and (= |old(~a8~0)| ~a8~0) .cse8 .cse9))) (or .cse1 (or .cse0 .cse3 .cse10)) (or .cse5 (and .cse6 .cse8 (= ~a16~0 |old(~a16~0)|) .cse11 .cse7) .cse2 .cse3 .cse10) (or (not (= 1 |old(~a21~0)|)) .cse5 (not (= 4 |old(~a16~0)|)) (= 1 ~a21~0) .cse3 (not (= 13 |old(~a8~0)|)) (not .cse10))))) [2018-11-28 16:42:24,862 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-28 16:42:24,862 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,862 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,862 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,862 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,862 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-28 16:42:24,863 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,863 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,863 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-28 16:42:24,863 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-28 16:42:24,863 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-28 16:42:24,863 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-28 16:42:24,863 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-28 16:42:24,863 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-28 16:42:24,863 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-28 16:42:24,863 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-28 16:42:24,863 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-28 16:42:24,864 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-28 16:42:24,864 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-28 16:42:24,864 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-28 16:42:24,864 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,864 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,864 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,864 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,864 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,864 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-28 16:42:24,864 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,864 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-28 16:42:24,865 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-28 16:42:24,865 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-28 16:42:24,865 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-28 16:42:24,865 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-28 16:42:24,865 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-28 16:42:24,865 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-28 16:42:24,865 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-28 16:42:24,865 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-28 16:42:24,865 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-28 16:42:24,865 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-28 16:42:24,865 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-28 16:42:24,866 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-28 16:42:24,866 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-28 16:42:24,866 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,866 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,866 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,866 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,866 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,866 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:24,866 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-28 16:42:24,866 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-28 16:42:24,867 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-28 16:42:24,867 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-28 16:42:24,867 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-28 16:42:24,867 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-28 16:42:24,867 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-28 16:42:24,867 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-28 16:42:24,867 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-28 16:42:24,867 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-28 16:42:24,867 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:42:24,868 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (<= 15 ~a8~0) (not (= ~a16~0 6)) (= ~a12~0 8) (= ~a20~0 1) (not (= ~a16~0 4))) [2018-11-28 16:42:24,868 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 16:42:24,868 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:42:24,868 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (= 1 |old(~a7~0)|) (= 4 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (and (= ~a17~0 |old(~a17~0)|) (= |old(~a7~0)| ~a7~0) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)) (not (= 8 ~a12~0)) (< |old(~a8~0)| 15)) [2018-11-28 16:42:24,868 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-28 16:42:24,868 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse3 (not (= ~a7~0 1))) (.cse0 (not (= ~a16~0 6))) (.cse4 (= ~a20~0 1)) (.cse1 (not (= ~a8~0 14))) (.cse2 (not (= ~a17~0 1)))) (or (not (= 8 ~a12~0)) (and .cse0 .cse1) (< |old(~a8~0)| 15) (= 1 |old(~a7~0)|) (and .cse0 .cse2) (not (= 1 |old(~a20~0)|)) (= 6 |old(~a16~0)|) (and .cse3 .cse1) (and .cse3 .cse0 .cse4) (and .cse4 .cse1 .cse2) (= 4 |old(~a16~0)|))) [2018-11-28 16:42:24,868 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-28 16:42:24,868 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-28 16:42:24,869 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (not (= ~a7~0 1))) (.cse0 (not (= ~a16~0 6))) (.cse4 (= ~a20~0 1)) (.cse1 (not (= ~a8~0 14))) (.cse2 (not (= ~a17~0 1)))) (or (not (= 8 ~a12~0)) (and .cse0 .cse1) (< |old(~a8~0)| 15) (= 1 |old(~a7~0)|) (and .cse0 .cse2) (not (= 1 |old(~a20~0)|)) (= 6 |old(~a16~0)|) (and .cse3 .cse1) (and .cse3 .cse0 .cse4) (and .cse4 .cse1 .cse2) (= 4 |old(~a16~0)|))) [2018-11-28 16:42:24,869 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-28 16:42:24,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:42:24 BoogieIcfgContainer [2018-11-28 16:42:24,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 16:42:24,913 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 16:42:24,913 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 16:42:24,913 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 16:42:24,914 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:59" (3/4) ... [2018-11-28 16:42:24,918 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 16:42:24,927 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 16:42:24,927 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 16:42:24,927 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 16:42:24,943 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 16:42:24,945 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 16:42:24,979 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(8 == a12) || (!(a16 == 6) && !(a8 == 14))) || \old(a8) < 15) || 1 == \old(a7)) || (!(a16 == 6) && !(a17 == 1))) || !(1 == \old(a20))) || 6 == \old(a16)) || (!(a7 == 1) && !(a8 == 14))) || ((!(a7 == 1) && !(a16 == 6)) && a20 == 1)) || ((a20 == 1 && !(a8 == 14)) && !(a17 == 1))) || 4 == \old(a16) [2018-11-28 16:42:25,126 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 16:42:25,127 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 16:42:25,128 INFO L168 Benchmark]: Toolchain (without parser) took 30421.35 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 389.0 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -113.7 MB). Peak memory consumption was 275.3 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:25,128 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:42:25,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.50 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 920.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:25,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.42 ms. Allocated memory is still 1.0 GB. Free memory is still 920.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:42:25,129 INFO L168 Benchmark]: Boogie Preprocessor took 188.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -210.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:25,129 INFO L168 Benchmark]: RCFGBuilder took 3280.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.5 MB). Peak memory consumption was 105.5 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:25,132 INFO L168 Benchmark]: TraceAbstraction took 25895.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 244.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -52.0 MB). Peak memory consumption was 456.9 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:25,132 INFO L168 Benchmark]: Witness Printer took 213.72 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:25,135 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 797.50 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 920.5 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 39.42 ms. Allocated memory is still 1.0 GB. Free memory is still 920.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 188.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -210.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3280.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.5 MB). Peak memory consumption was 105.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25895.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 244.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -52.0 MB). Peak memory consumption was 456.9 MB. Max. memory is 11.5 GB. * Witness Printer took 213.72 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((!(8 == a12) || (!(a16 == 6) && !(a8 == 14))) || \old(a8) < 15) || 1 == \old(a7)) || (!(a16 == 6) && !(a17 == 1))) || !(1 == \old(a20))) || 6 == \old(a16)) || (!(a7 == 1) && !(a8 == 14))) || ((!(a7 == 1) && !(a16 == 6)) && a20 == 1)) || ((a20 == 1 && !(a8 == 14)) && !(a17 == 1))) || 4 == \old(a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 25.7s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 14.3s AutomataDifference, 0.0s DeadEndRemovalTime, 5.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 380 SDtfs, 3156 SDslu, 269 SDs, 0 SdLazy, 4467 SolverSat, 965 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 423 GetRequests, 351 SyntacticMatches, 14 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1805occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 878 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 82 PreInvPairs, 150 NumberOfFragments, 398 HoareAnnotationTreeSize, 82 FomulaSimplifications, 5115 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6317 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1438 NumberOfCodeBlocks, 1438 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1428 ConstructedInterpolants, 0 QuantifiedInterpolants, 1454578 SizeOfPredicates, 3 NumberOfNonLiveVariables, 843 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 213/235 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...