./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer --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 23f7450b399d10b1ac0a8f247ff41c3f7806d83a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 08:56:19,714 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:56:19,715 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:56:19,721 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:56:19,722 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:56:19,722 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:56:19,723 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:56:19,723 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:56:19,724 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:56:19,725 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:56:19,725 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:56:19,725 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:56:19,726 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:56:19,726 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:56:19,727 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:56:19,727 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:56:19,727 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:56:19,728 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:56:19,729 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:56:19,730 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:56:19,730 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:56:19,731 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:56:19,732 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:56:19,732 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:56:19,732 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:56:19,733 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:56:19,733 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:56:19,734 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:56:19,734 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:56:19,735 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:56:19,735 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:56:19,735 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:56:19,735 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:56:19,735 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:56:19,736 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:56:19,736 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:56:19,736 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 08:56:19,743 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:56:19,744 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:56:19,744 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:56:19,744 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 08:56:19,744 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 08:56:19,745 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 08:56:19,745 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 08:56:19,745 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:56:19,745 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:56:19,745 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:56:19,745 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:56:19,745 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:56:19,745 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:56:19,745 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:56:19,745 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:56:19,745 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:56:19,746 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:56:19,746 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 08:56:19,746 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:56:19,746 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:56:19,746 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 08:56:19,746 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:56:19,746 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 08:56:19,746 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:56:19,746 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:56:19,746 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:56:19,747 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:56:19,747 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 08:56:19,747 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:56:19,747 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 08:56:19,747 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer 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 -> 23f7450b399d10b1ac0a8f247ff41c3f7806d83a [2018-12-02 08:56:19,764 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:56:19,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:56:19,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:56:19,774 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:56:19,774 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:56:19,775 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-12-02 08:56:19,809 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer/data/d228caecb/e3a9c4cc53de42c89b23ad40004b3c9a/FLAGcea9d33ac [2018-12-02 08:56:20,310 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:56:20,310 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-12-02 08:56:20,316 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer/data/d228caecb/e3a9c4cc53de42c89b23ad40004b3c9a/FLAGcea9d33ac [2018-12-02 08:56:20,325 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer/data/d228caecb/e3a9c4cc53de42c89b23ad40004b3c9a [2018-12-02 08:56:20,327 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:56:20,328 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:56:20,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:56:20,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:56:20,331 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:56:20,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:20" (1/1) ... [2018-12-02 08:56:20,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdfc843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20, skipping insertion in model container [2018-12-02 08:56:20,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:20" (1/1) ... [2018-12-02 08:56:20,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:56:20,363 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:56:20,537 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:56:20,540 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:56:20,622 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:56:20,631 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:56:20,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20 WrapperNode [2018-12-02 08:56:20,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:56:20,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:56:20,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:56:20,632 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:56:20,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2018-12-02 08:56:20,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2018-12-02 08:56:20,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:56:20,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:56:20,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:56:20,650 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:56:20,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2018-12-02 08:56:20,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2018-12-02 08:56:20,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2018-12-02 08:56:20,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2018-12-02 08:56:20,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2018-12-02 08:56:20,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2018-12-02 08:56:20,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2018-12-02 08:56:20,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:56:20,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:56:20,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:56:20,686 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:56:20,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:56:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 08:56:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 08:56:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 08:56:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 08:56:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:56:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:56:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 08:56:20,720 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 08:56:21,294 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:56:21,294 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 08:56:21,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:21 BoogieIcfgContainer [2018-12-02 08:56:21,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:56:21,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 08:56:21,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 08:56:21,298 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 08:56:21,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:56:20" (1/3) ... [2018-12-02 08:56:21,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c0c0d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:56:21, skipping insertion in model container [2018-12-02 08:56:21,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (2/3) ... [2018-12-02 08:56:21,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c0c0d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:56:21, skipping insertion in model container [2018-12-02 08:56:21,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:21" (3/3) ... [2018-12-02 08:56:21,301 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label25_true-unreach-call.c [2018-12-02 08:56:21,310 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 08:56:21,317 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 08:56:21,329 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 08:56:21,356 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 08:56:21,357 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 08:56:21,357 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 08:56:21,357 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 08:56:21,357 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 08:56:21,357 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 08:56:21,358 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 08:56:21,358 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 08:56:21,358 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 08:56:21,375 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-12-02 08:56:21,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 08:56:21,381 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:56:21,382 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] [2018-12-02 08:56:21,383 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:56:21,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:56:21,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1015003737, now seen corresponding path program 1 times [2018-12-02 08:56:21,388 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:56:21,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:56:21,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:56:21,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:56:21,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:56:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:56:21,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:56:21,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:56:21,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 08:56:21,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 08:56:21,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 08:56:21,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:56:21,584 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-12-02 08:56:22,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:56:22,099 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-12-02 08:56:22,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 08:56:22,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-12-02 08:56:22,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:56:22,108 INFO L225 Difference]: With dead ends: 571 [2018-12-02 08:56:22,108 INFO L226 Difference]: Without dead ends: 294 [2018-12-02 08:56:22,111 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:56:22,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-12-02 08:56:22,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2018-12-02 08:56:22,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-12-02 08:56:22,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 421 transitions. [2018-12-02 08:56:22,146 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 421 transitions. Word has length 70 [2018-12-02 08:56:22,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:56:22,146 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 421 transitions. [2018-12-02 08:56:22,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 08:56:22,146 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 421 transitions. [2018-12-02 08:56:22,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 08:56:22,149 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:56:22,149 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 08:56:22,149 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:56:22,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:56:22,149 INFO L82 PathProgramCache]: Analyzing trace with hash -195666983, now seen corresponding path program 1 times [2018-12-02 08:56:22,149 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:56:22,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:56:22,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:56:22,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:56:22,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:56:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:56:22,245 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:56:22,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:56:22,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 08:56:22,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:56:22,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:56:22,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 08:56:22,247 INFO L87 Difference]: Start difference. First operand 294 states and 421 transitions. Second operand 6 states. [2018-12-02 08:56:22,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:56:22,666 INFO L93 Difference]: Finished difference Result 741 states and 1061 transitions. [2018-12-02 08:56:22,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:56:22,667 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-12-02 08:56:22,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:56:22,670 INFO L225 Difference]: With dead ends: 741 [2018-12-02 08:56:22,671 INFO L226 Difference]: Without dead ends: 453 [2018-12-02 08:56:22,672 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 08:56:22,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2018-12-02 08:56:22,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 445. [2018-12-02 08:56:22,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2018-12-02 08:56:22,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 606 transitions. [2018-12-02 08:56:22,689 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 606 transitions. Word has length 139 [2018-12-02 08:56:22,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:56:22,689 INFO L480 AbstractCegarLoop]: Abstraction has 445 states and 606 transitions. [2018-12-02 08:56:22,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:56:22,689 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 606 transitions. [2018-12-02 08:56:22,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 08:56:22,692 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:56:22,692 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 08:56:22,692 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:56:22,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:56:22,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1516573211, now seen corresponding path program 1 times [2018-12-02 08:56:22,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:56:22,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:56:22,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:56:22,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:56:22,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:56:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:56:22,779 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:56:22,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:56:22,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 08:56:22,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 08:56:22,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 08:56:22,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 08:56:22,780 INFO L87 Difference]: Start difference. First operand 445 states and 606 transitions. Second operand 4 states. [2018-12-02 08:56:23,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:56:23,288 INFO L93 Difference]: Finished difference Result 1609 states and 2232 transitions. [2018-12-02 08:56:23,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 08:56:23,289 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2018-12-02 08:56:23,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:56:23,291 INFO L225 Difference]: With dead ends: 1609 [2018-12-02 08:56:23,291 INFO L226 Difference]: Without dead ends: 735 [2018-12-02 08:56:23,292 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 08:56:23,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2018-12-02 08:56:23,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 592. [2018-12-02 08:56:23,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2018-12-02 08:56:23,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 801 transitions. [2018-12-02 08:56:23,304 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 801 transitions. Word has length 149 [2018-12-02 08:56:23,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:56:23,305 INFO L480 AbstractCegarLoop]: Abstraction has 592 states and 801 transitions. [2018-12-02 08:56:23,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 08:56:23,305 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 801 transitions. [2018-12-02 08:56:23,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 08:56:23,306 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:56:23,307 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 08:56:23,307 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:56:23,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:56:23,307 INFO L82 PathProgramCache]: Analyzing trace with hash 2032612418, now seen corresponding path program 1 times [2018-12-02 08:56:23,307 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:56:23,307 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:56:23,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:56:23,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:56:23,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:56:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:56:23,402 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:56:23,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:56:23,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 08:56:23,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:56:23,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:56:23,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 08:56:23,403 INFO L87 Difference]: Start difference. First operand 592 states and 801 transitions. Second operand 6 states. [2018-12-02 08:56:23,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:56:23,835 INFO L93 Difference]: Finished difference Result 1492 states and 2064 transitions. [2018-12-02 08:56:23,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:56:23,835 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2018-12-02 08:56:23,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:56:23,839 INFO L225 Difference]: With dead ends: 1492 [2018-12-02 08:56:23,839 INFO L226 Difference]: Without dead ends: 906 [2018-12-02 08:56:23,841 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 08:56:23,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2018-12-02 08:56:23,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 890. [2018-12-02 08:56:23,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2018-12-02 08:56:23,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1141 transitions. [2018-12-02 08:56:23,864 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1141 transitions. Word has length 192 [2018-12-02 08:56:23,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:56:23,864 INFO L480 AbstractCegarLoop]: Abstraction has 890 states and 1141 transitions. [2018-12-02 08:56:23,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:56:23,865 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1141 transitions. [2018-12-02 08:56:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-02 08:56:23,868 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:56:23,868 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 08:56:23,868 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:56:23,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:56:23,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1889340864, now seen corresponding path program 1 times [2018-12-02 08:56:23,869 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:56:23,869 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:56:23,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:56:23,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:56:23,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:56:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:56:23,965 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 126 proven. 78 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 08:56:23,965 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:56:23,965 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:56:23,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:56:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:56:24,022 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:56:24,088 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 08:56:24,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:56:24,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-12-02 08:56:24,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:56:24,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:56:24,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-02 08:56:24,114 INFO L87 Difference]: Start difference. First operand 890 states and 1141 transitions. Second operand 6 states. [2018-12-02 08:56:24,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:56:24,767 INFO L93 Difference]: Finished difference Result 1951 states and 2506 transitions. [2018-12-02 08:56:24,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 08:56:24,768 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 239 [2018-12-02 08:56:24,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:56:24,771 INFO L225 Difference]: With dead ends: 1951 [2018-12-02 08:56:24,772 INFO L226 Difference]: Without dead ends: 1067 [2018-12-02 08:56:24,773 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 241 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-02 08:56:24,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2018-12-02 08:56:24,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1049. [2018-12-02 08:56:24,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1049 states. [2018-12-02 08:56:24,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1327 transitions. [2018-12-02 08:56:24,807 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1327 transitions. Word has length 239 [2018-12-02 08:56:24,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:56:24,807 INFO L480 AbstractCegarLoop]: Abstraction has 1049 states and 1327 transitions. [2018-12-02 08:56:24,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:56:24,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1327 transitions. [2018-12-02 08:56:24,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-02 08:56:24,811 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:56:24,812 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 08:56:24,812 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:56:24,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:56:24,812 INFO L82 PathProgramCache]: Analyzing trace with hash -122970787, now seen corresponding path program 1 times [2018-12-02 08:56:24,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:56:24,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:56:24,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:56:24,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:56:24,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:56:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:56:25,299 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 261 proven. 82 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 08:56:25,299 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:56:25,300 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:56:25,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:56:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:56:25,363 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:56:25,446 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 345 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 08:56:25,461 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 08:56:25,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-12-02 08:56:25,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-02 08:56:25,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-02 08:56:25,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2018-12-02 08:56:25,463 INFO L87 Difference]: Start difference. First operand 1049 states and 1327 transitions. Second operand 17 states. [2018-12-02 08:56:27,059 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2018-12-02 08:56:29,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:56:29,258 INFO L93 Difference]: Finished difference Result 2687 states and 4063 transitions. [2018-12-02 08:56:29,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-12-02 08:56:29,259 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 309 [2018-12-02 08:56:29,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:56:29,264 INFO L225 Difference]: With dead ends: 2687 [2018-12-02 08:56:29,265 INFO L226 Difference]: Without dead ends: 1787 [2018-12-02 08:56:29,266 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 685 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=649, Invalid=2107, Unknown=0, NotChecked=0, Total=2756 [2018-12-02 08:56:29,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2018-12-02 08:56:29,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1649. [2018-12-02 08:56:29,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1649 states. [2018-12-02 08:56:29,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2052 transitions. [2018-12-02 08:56:29,303 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2052 transitions. Word has length 309 [2018-12-02 08:56:29,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:56:29,304 INFO L480 AbstractCegarLoop]: Abstraction has 1649 states and 2052 transitions. [2018-12-02 08:56:29,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-02 08:56:29,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2052 transitions. [2018-12-02 08:56:29,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-02 08:56:29,308 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:56:29,308 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:56:29,308 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:56:29,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:56:29,308 INFO L82 PathProgramCache]: Analyzing trace with hash -57438555, now seen corresponding path program 1 times [2018-12-02 08:56:29,308 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:56:29,309 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:56:29,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:56:29,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:56:29,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:56:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:56:29,422 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 189 proven. 140 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-02 08:56:29,423 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:56:29,423 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:56:29,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:56:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:56:29,468 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:56:29,527 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2018-12-02 08:56:29,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:56:29,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-12-02 08:56:29,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 08:56:29,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 08:56:29,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-02 08:56:29,543 INFO L87 Difference]: Start difference. First operand 1649 states and 2052 transitions. Second operand 9 states. [2018-12-02 08:56:30,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:56:30,125 INFO L93 Difference]: Finished difference Result 3010 states and 3787 transitions. [2018-12-02 08:56:30,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 08:56:30,125 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 313 [2018-12-02 08:56:30,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:56:30,128 INFO L225 Difference]: With dead ends: 3010 [2018-12-02 08:56:30,129 INFO L226 Difference]: Without dead ends: 1653 [2018-12-02 08:56:30,130 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 322 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2018-12-02 08:56:30,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2018-12-02 08:56:30,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1506. [2018-12-02 08:56:30,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1506 states. [2018-12-02 08:56:30,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1506 states and 1782 transitions. [2018-12-02 08:56:30,151 INFO L78 Accepts]: Start accepts. Automaton has 1506 states and 1782 transitions. Word has length 313 [2018-12-02 08:56:30,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:56:30,151 INFO L480 AbstractCegarLoop]: Abstraction has 1506 states and 1782 transitions. [2018-12-02 08:56:30,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 08:56:30,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1782 transitions. [2018-12-02 08:56:30,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-02 08:56:30,155 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:56:30,156 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 08:56:30,156 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:56:30,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:56:30,156 INFO L82 PathProgramCache]: Analyzing trace with hash -703978038, now seen corresponding path program 1 times [2018-12-02 08:56:30,156 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:56:30,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:56:30,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:56:30,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:56:30,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:56:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:56:30,480 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 278 proven. 158 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 08:56:30,480 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:56:30,480 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:56:30,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:56:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:56:30,532 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:56:50,738 WARN L180 SmtUtils]: Spent 20.09 s on a formula simplification. DAG size of input: 184 DAG size of output: 54 [2018-12-02 08:56:50,992 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 372 proven. 4 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-02 08:56:51,007 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 08:56:51,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 18 [2018-12-02 08:56:51,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-02 08:56:51,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-02 08:56:51,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2018-12-02 08:56:51,008 INFO L87 Difference]: Start difference. First operand 1506 states and 1782 transitions. Second operand 18 states. [2018-12-02 08:57:09,343 WARN L180 SmtUtils]: Spent 16.27 s on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2018-12-02 08:57:10,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:57:10,561 INFO L93 Difference]: Finished difference Result 4349 states and 5407 transitions. [2018-12-02 08:57:10,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-12-02 08:57:10,562 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 354 [2018-12-02 08:57:10,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:57:10,569 INFO L225 Difference]: With dead ends: 4349 [2018-12-02 08:57:10,569 INFO L226 Difference]: Without dead ends: 2992 [2018-12-02 08:57:10,572 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 375 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 37.5s TimeCoverageRelationStatistics Valid=446, Invalid=1716, Unknown=0, NotChecked=0, Total=2162 [2018-12-02 08:57:10,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2992 states. [2018-12-02 08:57:10,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2992 to 2968. [2018-12-02 08:57:10,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2968 states. [2018-12-02 08:57:10,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2968 states to 2968 states and 3583 transitions. [2018-12-02 08:57:10,626 INFO L78 Accepts]: Start accepts. Automaton has 2968 states and 3583 transitions. Word has length 354 [2018-12-02 08:57:10,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:57:10,626 INFO L480 AbstractCegarLoop]: Abstraction has 2968 states and 3583 transitions. [2018-12-02 08:57:10,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-02 08:57:10,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2968 states and 3583 transitions. [2018-12-02 08:57:10,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-12-02 08:57:10,630 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:57:10,630 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:57:10,630 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:57:10,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:57:10,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1404940765, now seen corresponding path program 1 times [2018-12-02 08:57:10,630 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:57:10,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:57:10,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:57:10,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:57:10,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:57:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:57:10,797 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-12-02 08:57:10,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:57:10,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 08:57:10,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 08:57:10,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 08:57:10,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 08:57:10,798 INFO L87 Difference]: Start difference. First operand 2968 states and 3583 transitions. Second operand 4 states. [2018-12-02 08:57:11,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:57:11,242 INFO L93 Difference]: Finished difference Result 6651 states and 8222 transitions. [2018-12-02 08:57:11,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 08:57:11,242 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 373 [2018-12-02 08:57:11,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:57:11,250 INFO L225 Difference]: With dead ends: 6651 [2018-12-02 08:57:11,250 INFO L226 Difference]: Without dead ends: 3832 [2018-12-02 08:57:11,254 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 08:57:11,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3832 states. [2018-12-02 08:57:11,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3832 to 3401. [2018-12-02 08:57:11,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3401 states. [2018-12-02 08:57:11,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3401 states to 3401 states and 4183 transitions. [2018-12-02 08:57:11,308 INFO L78 Accepts]: Start accepts. Automaton has 3401 states and 4183 transitions. Word has length 373 [2018-12-02 08:57:11,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:57:11,308 INFO L480 AbstractCegarLoop]: Abstraction has 3401 states and 4183 transitions. [2018-12-02 08:57:11,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 08:57:11,308 INFO L276 IsEmpty]: Start isEmpty. Operand 3401 states and 4183 transitions. [2018-12-02 08:57:11,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-12-02 08:57:11,312 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:57:11,312 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 08:57:11,312 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:57:11,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:57:11,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1703123166, now seen corresponding path program 1 times [2018-12-02 08:57:11,313 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:57:11,313 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:57:11,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:57:11,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:57:11,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:57:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:57:11,538 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 266 proven. 87 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-12-02 08:57:11,538 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:57:11,539 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:57:11,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:57:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:57:11,594 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:57:11,676 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 390 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-02 08:57:11,691 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 08:57:11,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-12-02 08:57:11,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 08:57:11,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 08:57:11,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-12-02 08:57:11,693 INFO L87 Difference]: Start difference. First operand 3401 states and 4183 transitions. Second operand 11 states. [2018-12-02 08:57:12,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:57:12,573 INFO L93 Difference]: Finished difference Result 6977 states and 8757 transitions. [2018-12-02 08:57:12,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 08:57:12,573 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 392 [2018-12-02 08:57:12,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:57:12,580 INFO L225 Difference]: With dead ends: 6977 [2018-12-02 08:57:12,581 INFO L226 Difference]: Without dead ends: 3725 [2018-12-02 08:57:12,584 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 399 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2018-12-02 08:57:12,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3725 states. [2018-12-02 08:57:12,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3725 to 3435. [2018-12-02 08:57:12,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3435 states. [2018-12-02 08:57:12,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 3435 states and 4241 transitions. [2018-12-02 08:57:12,633 INFO L78 Accepts]: Start accepts. Automaton has 3435 states and 4241 transitions. Word has length 392 [2018-12-02 08:57:12,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:57:12,633 INFO L480 AbstractCegarLoop]: Abstraction has 3435 states and 4241 transitions. [2018-12-02 08:57:12,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 08:57:12,633 INFO L276 IsEmpty]: Start isEmpty. Operand 3435 states and 4241 transitions. [2018-12-02 08:57:12,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2018-12-02 08:57:12,637 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:57:12,637 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:57:12,638 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:57:12,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:57:12,638 INFO L82 PathProgramCache]: Analyzing trace with hash 197567602, now seen corresponding path program 1 times [2018-12-02 08:57:12,638 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:57:12,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:57:12,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:57:12,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:57:12,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:57:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:57:12,913 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 182 proven. 216 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-02 08:57:12,913 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:57:12,913 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:57:12,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:57:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:57:12,968 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:57:14,985 WARN L180 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2018-12-02 08:57:16,580 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 473 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:57:16,595 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 08:57:16,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 19 [2018-12-02 08:57:16,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 08:57:16,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 08:57:16,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2018-12-02 08:57:16,596 INFO L87 Difference]: Start difference. First operand 3435 states and 4241 transitions. Second operand 19 states. [2018-12-02 08:57:18,979 WARN L180 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 42 DAG size of output: 31 [2018-12-02 08:57:20,716 WARN L180 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 43 DAG size of output: 22 [2018-12-02 08:57:32,940 WARN L180 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 55 DAG size of output: 44 [2018-12-02 08:57:56,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:57:56,927 INFO L93 Difference]: Finished difference Result 10368 states and 13059 transitions. [2018-12-02 08:57:56,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-12-02 08:57:56,928 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 410 [2018-12-02 08:57:56,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:57:56,928 INFO L225 Difference]: With dead ends: 10368 [2018-12-02 08:57:56,928 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 08:57:56,939 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 411 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=444, Invalid=2003, Unknown=3, NotChecked=0, Total=2450 [2018-12-02 08:57:56,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 08:57:56,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 08:57:56,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 08:57:56,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 08:57:56,940 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 410 [2018-12-02 08:57:56,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:57:56,940 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 08:57:56,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 08:57:56,940 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 08:57:56,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 08:57:56,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 08:57:56,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:57:56,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:57:56,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:57:56,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:57:56,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:57:56,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:57:57,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:57:57,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:57:57,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:57:57,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:57:57,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:57:57,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:57:57,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:57:57,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:57:57,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:57:57,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:57:57,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:57:57,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:57:57,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:57:57,339 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 325 [2018-12-02 08:57:57,563 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 325 [2018-12-02 08:57:58,222 WARN L180 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 60 [2018-12-02 08:57:59,956 WARN L180 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 339 DAG size of output: 66 [2018-12-02 08:58:01,710 WARN L180 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 339 DAG size of output: 66 [2018-12-02 08:58:01,711 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:58:01,711 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-12-02 08:58:01,711 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:58:01,711 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-12-02 08:58:01,711 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,711 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,711 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-12-02 08:58:01,712 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-12-02 08:58:01,713 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 08:58:01,714 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-12-02 08:58:01,715 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 196) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,716 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse8 (= ~a1~0 |old(~a1~0)|)) (.cse7 (= ~a19~0 |old(~a19~0)|)) (.cse0 (= |old(~a10~0)| ~a10~0))) (let ((.cse1 (= 3 |old(~a10~0)|)) (.cse2 (< |old(~a10~0)| 1)) (.cse3 (= 7 |old(~a19~0)|)) (.cse10 (and .cse8 .cse7 .cse0)) (.cse4 (= 4 |old(~a10~0)|)) (.cse9 (= 10 |old(~a19~0)|)) (.cse5 (not (= 14 ~a4~0))) (.cse6 (not (= 0 ~a12~0)))) (and (or (and (= 8 ~a19~0) .cse0) (not (= 8 |old(~a19~0)|))) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (and .cse7 .cse0 .cse8)) (or (and (and .cse7 .cse0) .cse8) (or (< 38 |old(~a1~0)|) .cse5 .cse6 (< 0 |old(~a10~0)|))) (or (or .cse4 .cse9 (< 33 |old(~a1~0)|)) .cse10 .cse5 .cse6) (or .cse1 .cse2 .cse4 .cse10 .cse5 .cse6 (< |old(~a1~0)| 221)) (or .cse3 .cse10 .cse9 .cse5 .cse6) (or .cse10 (or .cse4 (= 1 |old(~a10~0)|)) .cse9 .cse5 .cse6)))) [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,717 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 08:58:01,718 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-12-02 08:58:01,719 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:58:01,720 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (not (= 7 ~a19~0)) (<= ~a1~0 23) (not (= ~a19~0 10)) (= ~a12~0 0) (<= ~a10~0 0) (= ~a4~0 14)) [2018-12-02 08:58:01,720 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 08:58:01,720 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:58:01,720 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (= 7 |old(~a19~0)|) (< |old(~a1~0)| 23) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (< 23 |old(~a1~0)|) (< 0 |old(~a10~0)|)) [2018-12-02 08:58:01,720 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-12-02 08:58:01,720 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 10))) (.cse3 (not (= ~a10~0 3))) (.cse4 (not (= 7 ~a19~0))) (.cse1 (not (= ~a10~0 4))) (.cse2 (= |old(~a10~0)| 0))) (or (< |old(~a1~0)| 23) (not (= 0 ~a12~0)) (and (<= 221 ~a1~0) (= 1 ~a10~0) (= 0 |old(~a10~0)|)) (= 8 ~a19~0) (< 23 |old(~a1~0)|) (and (and .cse0 (not (= ~a10~0 1)) .cse1) .cse2) (= 7 |old(~a19~0)|) (and (and .cse3 (<= ~a1~0 33) .cse1) .cse2) (and .cse2 (and .cse4 .cse0)) (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) (and .cse3 .cse4 (<= 1 ~a10~0) .cse2 .cse1) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (< 0 |old(~a10~0)|) (and .cse2 (and (<= ~a1~0 38) (<= ~a10~0 0))))) [2018-12-02 08:58:01,720 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-12-02 08:58:01,720 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-12-02 08:58:01,720 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 10))) (.cse3 (not (= ~a10~0 3))) (.cse4 (not (= 7 ~a19~0))) (.cse1 (not (= ~a10~0 4))) (.cse2 (= |old(~a10~0)| 0))) (or (< |old(~a1~0)| 23) (not (= 0 ~a12~0)) (and (<= 221 ~a1~0) (= 1 ~a10~0) (= 0 |old(~a10~0)|)) (= 8 ~a19~0) (< 23 |old(~a1~0)|) (and (and .cse0 (not (= ~a10~0 1)) .cse1) .cse2) (= 7 |old(~a19~0)|) (and (and .cse3 (<= ~a1~0 33) .cse1) .cse2) (and .cse2 (and .cse4 .cse0)) (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) (and .cse3 .cse4 (<= 1 ~a10~0) .cse2 .cse1) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (< 0 |old(~a10~0)|) (and .cse2 (and (<= ~a1~0 38) (<= ~a10~0 0))))) [2018-12-02 08:58:01,720 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-12-02 08:58:01,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:58:01 BoogieIcfgContainer [2018-12-02 08:58:01,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 08:58:01,730 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:58:01,730 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:58:01,730 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:58:01,730 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:21" (3/4) ... [2018-12-02 08:58:01,733 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 08:58:01,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 08:58:01,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 08:58:01,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 08:58:01,744 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 08:58:01,744 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 08:58:01,762 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((\old(a1) < 23 || !(0 == a12)) || ((221 <= a1 && 1 == a10) && 0 == \old(a10))) || 8 == a19) || 23 < \old(a1)) || (((!(a19 == 10) && !(a10 == 1)) && !(a10 == 4)) && \old(a10) == 0)) || 7 == \old(a19)) || (((!(a10 == 3) && a1 <= 33) && !(a10 == 4)) && \old(a10) == 0)) || (\old(a10) == 0 && !(7 == a19) && !(a19 == 10))) || ((a19 == \old(a19) && \old(a10) == a10) && a1 == \old(a1))) || ((((!(a10 == 3) && !(7 == a19)) && 1 <= a10) && \old(a10) == 0) && !(a10 == 4))) || 10 == \old(a19)) || !(14 == a4)) || 0 < \old(a10)) || (\old(a10) == 0 && a1 <= 38 && a10 <= 0) [2018-12-02 08:58:01,803 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_88a56d76-4dff-4cfe-a3bf-7225a25fbd54/bin-2019/uautomizer/witness.graphml [2018-12-02 08:58:01,804 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:58:01,804 INFO L168 Benchmark]: Toolchain (without parser) took 101476.52 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 457.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -133.6 MB). Peak memory consumption was 323.6 MB. Max. memory is 11.5 GB. [2018-12-02 08:58:01,804 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:58:01,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2018-12-02 08:58:01,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 08:58:01,805 INFO L168 Benchmark]: Boogie Preprocessor took 35.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:58:01,805 INFO L168 Benchmark]: RCFGBuilder took 609.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 987.8 MB in the end (delta: 104.0 MB). Peak memory consumption was 104.0 MB. Max. memory is 11.5 GB. [2018-12-02 08:58:01,805 INFO L168 Benchmark]: TraceAbstraction took 100434.21 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 348.1 MB). Free memory was 987.8 MB in the beginning and 1.1 GB in the end (delta: -122.3 MB). Peak memory consumption was 589.1 MB. Max. memory is 11.5 GB. [2018-12-02 08:58:01,805 INFO L168 Benchmark]: Witness Printer took 73.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-12-02 08:58:01,806 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 302.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 609.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 987.8 MB in the end (delta: 104.0 MB). Peak memory consumption was 104.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 100434.21 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 348.1 MB). Free memory was 987.8 MB in the beginning and 1.1 GB in the end (delta: -122.3 MB). Peak memory consumption was 589.1 MB. Max. memory is 11.5 GB. * Witness Printer took 73.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 196]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((((((\old(a1) < 23 || !(0 == a12)) || ((221 <= a1 && 1 == a10) && 0 == \old(a10))) || 8 == a19) || 23 < \old(a1)) || (((!(a19 == 10) && !(a10 == 1)) && !(a10 == 4)) && \old(a10) == 0)) || 7 == \old(a19)) || (((!(a10 == 3) && a1 <= 33) && !(a10 == 4)) && \old(a10) == 0)) || (\old(a10) == 0 && !(7 == a19) && !(a19 == 10))) || ((a19 == \old(a19) && \old(a10) == a10) && a1 == \old(a1))) || ((((!(a10 == 3) && !(7 == a19)) && 1 <= a10) && \old(a10) == 0) && !(a10 == 4))) || 10 == \old(a19)) || !(14 == a4)) || 0 < \old(a10)) || (\old(a10) == 0 && a1 <= 38 && a10 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 100.3s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 68.2s AutomataDifference, 0.0s DeadEndRemovalTime, 4.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 389 SDtfs, 8660 SDslu, 1015 SDs, 0 SdLazy, 19366 SolverSat, 3043 SolverUnsat, 18 SolverUnknown, 0 SolverNotchecked, 38.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2321 GetRequests, 2101 SyntacticMatches, 14 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1980 ImplicationChecksByTransitivity, 51.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3435occurred in iteration=10, 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, 11 MinimizatonAttempts, 1215 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 199 PreInvPairs, 363 NumberOfFragments, 515 HoareAnnotationTreeSize, 199 FomulaSimplifications, 81202 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 52435 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 25.5s InterpolantComputationTime, 4957 NumberOfCodeBlocks, 4957 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 4940 ConstructedInterpolants, 78 QuantifiedInterpolants, 8175284 SizeOfPredicates, 14 NumberOfNonLiveVariables, 3252 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 17 InterpolantComputations, 7 PerfectInterpolantSequences, 4237/5479 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...