./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_54413d9a-a075-4c60-a212-8e655c0a6bcb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_54413d9a-a075-4c60-a212-8e655c0a6bcb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_54413d9a-a075-4c60-a212-8e655c0a6bcb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_54413d9a-a075-4c60-a212-8e655c0a6bcb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_54413d9a-a075-4c60-a212-8e655c0a6bcb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_54413d9a-a075-4c60-a212-8e655c0a6bcb/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0db867b83f4df60c5aafa7e1ef5bcec7ce49962a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 05:35:56,737 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:35:56,738 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:35:56,744 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:35:56,744 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:35:56,744 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:35:56,745 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:35:56,746 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:35:56,747 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:35:56,748 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:35:56,749 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:35:56,749 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:35:56,749 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:35:56,750 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:35:56,751 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:35:56,751 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:35:56,752 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:35:56,753 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:35:56,755 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:35:56,756 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:35:56,756 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:35:56,757 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:35:56,759 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:35:56,759 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:35:56,759 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:35:56,760 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:35:56,760 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:35:56,761 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:35:56,762 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:35:56,762 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:35:56,762 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:35:56,763 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:35:56,763 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:35:56,763 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:35:56,764 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:35:56,764 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:35:56,765 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_54413d9a-a075-4c60-a212-8e655c0a6bcb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 05:35:56,773 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:35:56,773 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:35:56,774 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:35:56,774 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 05:35:56,774 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 05:35:56,774 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 05:35:56,774 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 05:35:56,774 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 05:35:56,774 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 05:35:56,774 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 05:35:56,775 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 05:35:56,775 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 05:35:56,775 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 05:35:56,775 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:35:56,775 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:35:56,776 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:35:56,776 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:35:56,776 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:35:56,776 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:35:56,776 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:35:56,776 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:35:56,776 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:35:56,776 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:35:56,777 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:35:56,777 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:35:56,777 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:35:56,777 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 05:35:56,777 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:35:56,777 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 05:35:56,777 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:35:56,778 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:35:56,778 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:35:56,778 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:35:56,778 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 05:35:56,778 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:35:56,778 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:35:56,778 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 05:35:56,779 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_54413d9a-a075-4c60-a212-8e655c0a6bcb/bin-2019/utaipan 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 -> Taipan 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 -> 0db867b83f4df60c5aafa7e1ef5bcec7ce49962a [2018-11-23 05:35:56,802 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:35:56,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:35:56,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:35:56,815 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:35:56,815 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:35:56,816 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_54413d9a-a075-4c60-a212-8e655c0a6bcb/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.c [2018-11-23 05:35:56,860 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54413d9a-a075-4c60-a212-8e655c0a6bcb/bin-2019/utaipan/data/330cec561/18b8154a2951435a8ffaef2d6e22f228/FLAG84ad6bfe5 [2018-11-23 05:35:57,318 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:35:57,319 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_54413d9a-a075-4c60-a212-8e655c0a6bcb/sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.c [2018-11-23 05:35:57,328 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54413d9a-a075-4c60-a212-8e655c0a6bcb/bin-2019/utaipan/data/330cec561/18b8154a2951435a8ffaef2d6e22f228/FLAG84ad6bfe5 [2018-11-23 05:35:57,340 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_54413d9a-a075-4c60-a212-8e655c0a6bcb/bin-2019/utaipan/data/330cec561/18b8154a2951435a8ffaef2d6e22f228 [2018-11-23 05:35:57,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:35:57,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:35:57,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:35:57,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:35:57,347 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:35:57,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:35:57" (1/1) ... [2018-11-23 05:35:57,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f375ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:57, skipping insertion in model container [2018-11-23 05:35:57,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:35:57" (1/1) ... [2018-11-23 05:35:57,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:35:57,392 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:35:57,623 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:35:57,626 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:35:57,698 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:35:57,711 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:35:57,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:57 WrapperNode [2018-11-23 05:35:57,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:35:57,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:35:57,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:35:57,712 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:35:57,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:57" (1/1) ... [2018-11-23 05:35:57,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:57" (1/1) ... [2018-11-23 05:35:57,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:35:57,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:35:57,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:35:57,782 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:35:57,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:57" (1/1) ... [2018-11-23 05:35:57,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:57" (1/1) ... [2018-11-23 05:35:57,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:57" (1/1) ... [2018-11-23 05:35:57,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:57" (1/1) ... [2018-11-23 05:35:57,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:57" (1/1) ... [2018-11-23 05:35:57,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:57" (1/1) ... [2018-11-23 05:35:57,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:57" (1/1) ... [2018-11-23 05:35:57,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:35:57,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:35:57,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:35:57,834 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:35:57,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54413d9a-a075-4c60-a212-8e655c0a6bcb/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:35:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 05:35:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 05:35:57,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 05:35:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 05:35:57,881 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 05:35:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:35:57,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:35:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 05:35:57,881 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 05:35:58,972 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:35:58,972 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 05:35:58,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:35:58 BoogieIcfgContainer [2018-11-23 05:35:58,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:35:58,973 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 05:35:58,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 05:35:58,976 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 05:35:58,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:35:57" (1/3) ... [2018-11-23 05:35:58,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa3c71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:35:58, skipping insertion in model container [2018-11-23 05:35:58,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:57" (2/3) ... [2018-11-23 05:35:58,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa3c71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:35:58, skipping insertion in model container [2018-11-23 05:35:58,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:35:58" (3/3) ... [2018-11-23 05:35:58,978 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label00_true-unreach-call.c [2018-11-23 05:35:58,986 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 05:35:58,993 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 05:35:59,005 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 05:35:59,030 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 05:35:59,030 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 05:35:59,030 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 05:35:59,031 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 05:35:59,031 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 05:35:59,031 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 05:35:59,031 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 05:35:59,031 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 05:35:59,048 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-11-23 05:35:59,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 05:35:59,055 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:35:59,055 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] [2018-11-23 05:35:59,057 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:35:59,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:35:59,061 INFO L82 PathProgramCache]: Analyzing trace with hash 446326894, now seen corresponding path program 1 times [2018-11-23 05:35:59,063 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:35:59,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:35:59,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:35:59,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:35:59,103 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:35:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:35:59,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:35:59,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:35:59,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 05:35:59,289 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:35:59,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:35:59,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:35:59,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:35:59,307 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-11-23 05:36:00,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:36:00,039 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-11-23 05:36:00,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:36:00,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-23 05:36:00,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:36:00,051 INFO L225 Difference]: With dead ends: 571 [2018-11-23 05:36:00,052 INFO L226 Difference]: Without dead ends: 354 [2018-11-23 05:36:00,056 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 [2018-11-23 05:36:00,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-11-23 05:36:00,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2018-11-23 05:36:00,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2018-11-23 05:36:00,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 607 transitions. [2018-11-23 05:36:00,107 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 607 transitions. Word has length 53 [2018-11-23 05:36:00,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:36:00,107 INFO L480 AbstractCegarLoop]: Abstraction has 354 states and 607 transitions. [2018-11-23 05:36:00,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:36:00,108 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 607 transitions. [2018-11-23 05:36:00,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 05:36:00,113 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:36:00,113 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:36:00,114 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:36:00,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:36:00,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1014912959, now seen corresponding path program 1 times [2018-11-23 05:36:00,114 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:36:00,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:36:00,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:36:00,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:36:00,116 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:36:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:00,277 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:36:00,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:36:00,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 05:36:00,278 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:36:00,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 05:36:00,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 05:36:00,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 05:36:00,283 INFO L87 Difference]: Start difference. First operand 354 states and 607 transitions. Second operand 4 states. [2018-11-23 05:36:00,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:36:00,973 INFO L93 Difference]: Finished difference Result 1274 states and 2320 transitions. [2018-11-23 05:36:00,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 05:36:00,974 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 172 [2018-11-23 05:36:00,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:36:00,980 INFO L225 Difference]: With dead ends: 1274 [2018-11-23 05:36:00,981 INFO L226 Difference]: Without dead ends: 926 [2018-11-23 05:36:00,984 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 [2018-11-23 05:36:00,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2018-11-23 05:36:01,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 926. [2018-11-23 05:36:01,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-11-23 05:36:01,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1463 transitions. [2018-11-23 05:36:01,028 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1463 transitions. Word has length 172 [2018-11-23 05:36:01,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:36:01,028 INFO L480 AbstractCegarLoop]: Abstraction has 926 states and 1463 transitions. [2018-11-23 05:36:01,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 05:36:01,029 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1463 transitions. [2018-11-23 05:36:01,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 05:36:01,033 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:36:01,033 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:36:01,034 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:36:01,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:36:01,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1103795558, now seen corresponding path program 1 times [2018-11-23 05:36:01,034 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:36:01,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:36:01,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:36:01,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:36:01,035 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:36:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:01,189 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:36:01,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:36:01,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 05:36:01,190 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:36:01,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 05:36:01,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 05:36:01,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 05:36:01,191 INFO L87 Difference]: Start difference. First operand 926 states and 1463 transitions. Second operand 6 states. [2018-11-23 05:36:01,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:36:01,926 INFO L93 Difference]: Finished difference Result 2146 states and 3493 transitions. [2018-11-23 05:36:01,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 05:36:01,926 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 179 [2018-11-23 05:36:01,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:36:01,932 INFO L225 Difference]: With dead ends: 2146 [2018-11-23 05:36:01,932 INFO L226 Difference]: Without dead ends: 1226 [2018-11-23 05:36:01,939 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 [2018-11-23 05:36:01,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2018-11-23 05:36:01,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1209. [2018-11-23 05:36:01,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1209 states. [2018-11-23 05:36:01,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1759 transitions. [2018-11-23 05:36:01,972 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1759 transitions. Word has length 179 [2018-11-23 05:36:01,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:36:01,973 INFO L480 AbstractCegarLoop]: Abstraction has 1209 states and 1759 transitions. [2018-11-23 05:36:01,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 05:36:01,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1759 transitions. [2018-11-23 05:36:01,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 05:36:01,977 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:36:01,978 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, 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] [2018-11-23 05:36:01,978 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:36:01,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:36:01,978 INFO L82 PathProgramCache]: Analyzing trace with hash -630428119, now seen corresponding path program 1 times [2018-11-23 05:36:01,978 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:36:01,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:36:01,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:36:01,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:36:01,979 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:36:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:02,124 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 92 proven. 65 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 05:36:02,124 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:36:02,124 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:36:02,125 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 249 with the following transitions: [2018-11-23 05:36:02,127 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [494], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [722], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 05:36:02,159 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:36:02,159 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:36:02,430 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 05:36:02,431 INFO L272 AbstractInterpreter]: Visited 131 different actions 131 times. Never merged. Never widened. Performed 1283 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1283 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 05:36:02,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:36:02,441 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 05:36:02,695 INFO L227 lantSequenceWeakener]: Weakened 239 states. On average, predicates are now at 73.32% of their original sizes. [2018-11-23 05:36:02,695 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 05:36:02,729 INFO L415 sIntCurrentIteration]: We unified 247 AI predicates to 247 [2018-11-23 05:36:02,729 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 05:36:02,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:36:02,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 05:36:02,731 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:36:02,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 05:36:02,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 05:36:02,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 05:36:02,732 INFO L87 Difference]: Start difference. First operand 1209 states and 1759 transitions. Second operand 6 states. [2018-11-23 05:36:13,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:36:13,863 INFO L93 Difference]: Finished difference Result 2556 states and 3749 transitions. [2018-11-23 05:36:13,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 05:36:13,863 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 248 [2018-11-23 05:36:13,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:36:13,868 INFO L225 Difference]: With dead ends: 2556 [2018-11-23 05:36:13,868 INFO L226 Difference]: Without dead ends: 1353 [2018-11-23 05:36:13,873 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 248 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:36:13,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2018-11-23 05:36:13,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1352. [2018-11-23 05:36:13,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1352 states. [2018-11-23 05:36:13,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 1910 transitions. [2018-11-23 05:36:13,904 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 1910 transitions. Word has length 248 [2018-11-23 05:36:13,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:36:13,905 INFO L480 AbstractCegarLoop]: Abstraction has 1352 states and 1910 transitions. [2018-11-23 05:36:13,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 05:36:13,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1910 transitions. [2018-11-23 05:36:13,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-23 05:36:13,910 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:36:13,911 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, 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] [2018-11-23 05:36:13,911 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:36:13,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:36:13,911 INFO L82 PathProgramCache]: Analyzing trace with hash 144192093, now seen corresponding path program 1 times [2018-11-23 05:36:13,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:36:13,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:36:13,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:36:13,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:36:13,912 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:36:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:14,092 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 169 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:36:14,092 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:36:14,092 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:36:14,093 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 259 with the following transitions: [2018-11-23 05:36:14,093 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [722], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 05:36:14,097 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:36:14,097 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:36:14,297 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:36:14,297 INFO L272 AbstractInterpreter]: Visited 135 different actions 267 times. Merged at 6 different actions 8 times. Never widened. Performed 2831 root evaluator evaluations with a maximum evaluation depth of 10. Performed 2831 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 05:36:14,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:36:14,300 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:36:14,300 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:36:14,300 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54413d9a-a075-4c60-a212-8e655c0a6bcb/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:36:14,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:36:14,309 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:36:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:14,384 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:36:14,544 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 169 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:36:14,544 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:36:14,748 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 169 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:36:14,773 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 05:36:14,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 05:36:14,773 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 05:36:14,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 05:36:14,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 05:36:14,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-23 05:36:14,775 INFO L87 Difference]: Start difference. First operand 1352 states and 1910 transitions. Second operand 9 states. [2018-11-23 05:36:16,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:36:16,145 INFO L93 Difference]: Finished difference Result 4292 states and 6994 transitions. [2018-11-23 05:36:16,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 05:36:16,146 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 258 [2018-11-23 05:36:16,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:36:16,150 INFO L225 Difference]: With dead ends: 4292 [2018-11-23 05:36:16,150 INFO L226 Difference]: Without dead ends: 1230 [2018-11-23 05:36:16,172 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 519 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-23 05:36:16,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2018-11-23 05:36:16,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1210. [2018-11-23 05:36:16,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1210 states. [2018-11-23 05:36:16,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1472 transitions. [2018-11-23 05:36:16,198 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1472 transitions. Word has length 258 [2018-11-23 05:36:16,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:36:16,198 INFO L480 AbstractCegarLoop]: Abstraction has 1210 states and 1472 transitions. [2018-11-23 05:36:16,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 05:36:16,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1472 transitions. [2018-11-23 05:36:16,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-23 05:36:16,203 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:36:16,203 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, 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, 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] [2018-11-23 05:36:16,203 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:36:16,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:36:16,204 INFO L82 PathProgramCache]: Analyzing trace with hash 56197093, now seen corresponding path program 1 times [2018-11-23 05:36:16,204 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:36:16,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:36:16,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:36:16,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:36:16,204 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:36:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:16,346 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 93 proven. 46 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 05:36:16,346 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:36:16,346 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:36:16,346 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 295 with the following transitions: [2018-11-23 05:36:16,347 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [722], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 05:36:16,350 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:36:16,351 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:36:16,506 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 05:36:16,506 INFO L272 AbstractInterpreter]: Visited 134 different actions 262 times. Merged at 4 different actions 4 times. Never widened. Performed 2724 root evaluator evaluations with a maximum evaluation depth of 13. Performed 2724 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 05:36:16,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:36:16,517 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 05:36:16,720 INFO L227 lantSequenceWeakener]: Weakened 291 states. On average, predicates are now at 78.23% of their original sizes. [2018-11-23 05:36:16,720 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 05:36:16,767 INFO L415 sIntCurrentIteration]: We unified 293 AI predicates to 293 [2018-11-23 05:36:16,767 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 05:36:16,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:36:16,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 05:36:16,768 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:36:16,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 05:36:16,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 05:36:16,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 05:36:16,768 INFO L87 Difference]: Start difference. First operand 1210 states and 1472 transitions. Second operand 10 states. [2018-11-23 05:36:32,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:36:32,252 INFO L93 Difference]: Finished difference Result 2370 states and 2977 transitions. [2018-11-23 05:36:32,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 05:36:32,252 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 294 [2018-11-23 05:36:32,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:36:32,255 INFO L225 Difference]: With dead ends: 2370 [2018-11-23 05:36:32,255 INFO L226 Difference]: Without dead ends: 1309 [2018-11-23 05:36:32,257 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 304 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-23 05:36:32,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2018-11-23 05:36:32,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1267. [2018-11-23 05:36:32,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1267 states. [2018-11-23 05:36:32,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1505 transitions. [2018-11-23 05:36:32,275 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1505 transitions. Word has length 294 [2018-11-23 05:36:32,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:36:32,275 INFO L480 AbstractCegarLoop]: Abstraction has 1267 states and 1505 transitions. [2018-11-23 05:36:32,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 05:36:32,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1505 transitions. [2018-11-23 05:36:32,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-11-23 05:36:32,279 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:36:32,279 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:36:32,279 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:36:32,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:36:32,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1590550523, now seen corresponding path program 1 times [2018-11-23 05:36:32,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:36:32,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:36:32,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:36:32,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:36:32,280 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:36:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:32,411 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 326 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 05:36:32,411 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:36:32,412 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:36:32,412 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 367 with the following transitions: [2018-11-23 05:36:32,412 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [722], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 05:36:32,414 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:36:32,414 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:36:32,577 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:36:32,577 INFO L272 AbstractInterpreter]: Visited 136 different actions 403 times. Merged at 7 different actions 17 times. Never widened. Performed 4298 root evaluator evaluations with a maximum evaluation depth of 13. Performed 4298 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 05:36:32,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:36:32,581 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:36:32,581 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:36:32,581 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54413d9a-a075-4c60-a212-8e655c0a6bcb/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:36:32,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:36:32,587 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:36:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:32,643 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:36:32,725 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 326 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 05:36:32,725 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:36:32,847 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 326 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 05:36:32,862 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 05:36:32,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2018-11-23 05:36:32,862 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 05:36:32,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 05:36:32,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 05:36:32,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-23 05:36:32,863 INFO L87 Difference]: Start difference. First operand 1267 states and 1505 transitions. Second operand 6 states. [2018-11-23 05:36:33,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:36:33,778 INFO L93 Difference]: Finished difference Result 3574 states and 4368 transitions. [2018-11-23 05:36:33,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 05:36:33,779 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 366 [2018-11-23 05:36:33,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:36:33,786 INFO L225 Difference]: With dead ends: 3574 [2018-11-23 05:36:33,787 INFO L226 Difference]: Without dead ends: 2312 [2018-11-23 05:36:33,789 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 746 GetRequests, 733 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2018-11-23 05:36:33,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2018-11-23 05:36:33,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 2163. [2018-11-23 05:36:33,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2163 states. [2018-11-23 05:36:33,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 2163 states and 2556 transitions. [2018-11-23 05:36:33,845 INFO L78 Accepts]: Start accepts. Automaton has 2163 states and 2556 transitions. Word has length 366 [2018-11-23 05:36:33,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:36:33,846 INFO L480 AbstractCegarLoop]: Abstraction has 2163 states and 2556 transitions. [2018-11-23 05:36:33,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 05:36:33,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 2556 transitions. [2018-11-23 05:36:33,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2018-11-23 05:36:33,855 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:36:33,856 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, 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, 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] [2018-11-23 05:36:33,856 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:36:33,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:36:33,856 INFO L82 PathProgramCache]: Analyzing trace with hash 535317214, now seen corresponding path program 1 times [2018-11-23 05:36:33,856 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:36:33,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:36:33,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:36:33,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:36:33,859 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:36:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:34,108 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 339 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 05:36:34,109 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:36:34,109 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:36:34,109 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 380 with the following transitions: [2018-11-23 05:36:34,109 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [558], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [722], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 05:36:34,111 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:36:34,111 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:36:34,303 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:36:34,303 INFO L272 AbstractInterpreter]: Visited 136 different actions 401 times. Merged at 7 different actions 15 times. Never widened. Performed 4268 root evaluator evaluations with a maximum evaluation depth of 18. Performed 4268 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 05:36:34,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:36:34,325 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:36:34,325 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:36:34,325 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54413d9a-a075-4c60-a212-8e655c0a6bcb/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:36:34,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:36:34,334 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:36:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:34,399 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:36:34,625 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-11-23 05:36:34,625 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:36:34,721 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-11-23 05:36:34,737 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:36:34,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-11-23 05:36:34,737 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:36:34,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:36:34,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:36:34,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:36:34,738 INFO L87 Difference]: Start difference. First operand 2163 states and 2556 transitions. Second operand 3 states. [2018-11-23 05:36:36,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:36:36,104 INFO L93 Difference]: Finished difference Result 4319 states and 5178 transitions. [2018-11-23 05:36:36,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:36:36,104 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 379 [2018-11-23 05:36:36,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:36:36,104 INFO L225 Difference]: With dead ends: 4319 [2018-11-23 05:36:36,104 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 05:36:36,107 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 762 GetRequests, 756 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:36:36,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 05:36:36,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 05:36:36,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 05:36:36,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 05:36:36,108 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 379 [2018-11-23 05:36:36,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:36:36,108 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 05:36:36,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:36:36,108 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 05:36:36,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 05:36:36,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 05:36:36,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:36:36,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:36:36,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:36:36,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:36:36,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:36:36,651 WARN L180 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 46 [2018-11-23 05:36:36,777 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 55 [2018-11-23 05:36:36,921 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 55 [2018-11-23 05:36:36,923 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:36:36,923 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-23 05:36:36,923 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:36:36,923 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-23 05:36:36,923 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,924 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,924 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,924 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,924 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,924 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,924 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-23 05:36:36,924 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-23 05:36:36,924 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 05:36:36,924 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 05:36:36,924 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 05:36:36,924 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 05:36:36,924 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 05:36:36,924 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 05:36:36,925 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-23 05:36:36,925 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-23 05:36:36,925 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-23 05:36:36,925 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,925 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,925 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,925 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,925 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,925 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-23 05:36:36,925 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-23 05:36:36,925 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-23 05:36:36,925 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-23 05:36:36,925 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 05:36:36,925 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 05:36:36,926 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 05:36:36,926 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 05:36:36,926 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 05:36:36,926 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-23 05:36:36,926 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-23 05:36:36,926 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-23 05:36:36,926 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-23 05:36:36,926 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-23 05:36:36,926 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,926 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,926 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,926 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,926 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,926 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-23 05:36:36,926 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 05:36:36,927 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 05:36:36,927 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 05:36:36,927 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 05:36:36,927 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 05:36:36,927 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-23 05:36:36,927 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-23 05:36:36,927 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-23 05:36:36,927 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-23 05:36:36,927 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,927 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,927 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,927 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,927 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,928 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-23 05:36:36,928 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-23 05:36:36,928 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-23 05:36:36,928 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 05:36:36,928 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 05:36:36,928 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 05:36:36,928 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 05:36:36,928 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 05:36:36,928 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-23 05:36:36,928 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-23 05:36:36,928 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-23 05:36:36,928 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-23 05:36:36,928 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-23 05:36:36,928 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,929 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,929 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,929 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,929 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,929 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 05:36:36,929 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 05:36:36,929 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 05:36:36,929 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 05:36:36,929 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 05:36:36,929 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-23 05:36:36,929 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-23 05:36:36,929 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-23 05:36:36,929 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-23 05:36:36,929 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,930 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,930 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,930 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,930 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,930 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,930 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,930 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-23 05:36:36,930 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-23 05:36:36,930 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-23 05:36:36,930 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-23 05:36:36,930 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 05:36:36,930 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 05:36:36,930 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 05:36:36,930 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 05:36:36,931 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 05:36:36,931 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-23 05:36:36,931 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-23 05:36:36,931 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-23 05:36:36,931 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-23 05:36:36,931 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,931 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,931 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,931 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,931 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 05:36:36,931 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,931 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,931 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-23 05:36:36,931 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-23 05:36:36,931 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-23 05:36:36,932 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 05:36:36,932 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 05:36:36,932 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 05:36:36,932 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 05:36:36,932 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 05:36:36,932 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 05:36:36,932 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-23 05:36:36,932 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-23 05:36:36,932 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-23 05:36:36,932 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-23 05:36:36,932 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,932 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,932 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,932 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,933 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,933 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,933 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-23 05:36:36,933 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-23 05:36:36,933 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-23 05:36:36,933 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 05:36:36,933 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 05:36:36,933 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 05:36:36,933 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 05:36:36,933 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 05:36:36,933 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 05:36:36,933 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-23 05:36:36,933 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-23 05:36:36,934 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (= |old(~a19~0)| ~a19~0)) (.cse3 (= |old(~a10~0)| ~a10~0))) (let ((.cse1 (and .cse2 .cse3 (= ~a1~0 |old(~a1~0)|))) (.cse0 (= 1 |old(~a10~0)|))) (and (or (< |old(~a1~0)| 219) .cse0 .cse1) (or .cse1 (= 6 |old(~a19~0)|)) (or .cse1 .cse0 (forall ((v_prenex_1 Int)) (or (< (div (+ v_prenex_1 (- 283353)) 5) (+ |old(~a1~0)| 495231)) (= 0 (mod (+ v_prenex_1 2) 5)) (<= 283353 v_prenex_1) (< 38 v_prenex_1)))) (or (= 0 |old(~a10~0)|) .cse0 (and .cse2 .cse3))))) [2018-11-23 05:36:36,934 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-23 05:36:36,934 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-23 05:36:36,934 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-23 05:36:36,934 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,934 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,934 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,934 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,934 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,934 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,934 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-23 05:36:36,934 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 05:36:36,934 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 05:36:36,935 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 05:36:36,935 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 05:36:36,935 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 05:36:36,935 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 05:36:36,935 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-23 05:36:36,935 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-23 05:36:36,935 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-23 05:36:36,935 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-23 05:36:36,935 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-23 05:36:36,935 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-23 05:36:36,935 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,935 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,935 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,935 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,935 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,936 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,936 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-23 05:36:36,936 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-23 05:36:36,936 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-23 05:36:36,936 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 05:36:36,936 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 05:36:36,936 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 05:36:36,936 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 05:36:36,936 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 05:36:36,936 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 05:36:36,936 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-23 05:36:36,936 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-23 05:36:36,936 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-23 05:36:36,936 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,936 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,937 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,937 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,937 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,937 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 05:36:36,937 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-23 05:36:36,937 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-23 05:36:36,937 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-23 05:36:36,937 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 05:36:36,937 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 05:36:36,937 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 05:36:36,937 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 05:36:36,937 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 05:36:36,937 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 05:36:36,937 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-11-23 05:36:36,938 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-23 05:36:36,938 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-23 05:36:36,938 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-23 05:36:36,938 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:36:36,938 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-11-23 05:36:36,938 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 05:36:36,938 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:36:36,938 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a19~0 9) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-23 05:36:36,938 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-23 05:36:36,938 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= ~a10~0 1)))) (or (not (= ~a19~0 6)) (not (= 23 |old(~a1~0)|)) (and (not (= 0 ~a10~0)) .cse0) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (and .cse0 (exists ((v_prenex_1 Int)) (and (not (= 0 (mod (+ v_prenex_1 2) 5))) (<= v_prenex_1 38) (<= (+ ~a1~0 495231) (div (+ v_prenex_1 (- 283353)) 5)) (< v_prenex_1 283353)))) (not (= 14 ~a4~0)) (and (<= 219 ~a1~0) .cse0))) [2018-11-23 05:36:36,938 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-23 05:36:36,939 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-23 05:36:36,939 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a10~0 1)))) (or (not (= 23 |old(~a1~0)|)) (and (not (= 0 ~a10~0)) .cse0) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= ~a19~0 6)) (and .cse0 (exists ((v_prenex_1 Int)) (and (not (= 0 (mod (+ v_prenex_1 2) 5))) (<= v_prenex_1 38) (<= (+ ~a1~0 495231) (div (+ v_prenex_1 (- 283353)) 5)) (< v_prenex_1 283353)))) (not (= 14 ~a4~0)) (and (<= 219 ~a1~0) .cse0))) [2018-11-23 05:36:36,939 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-11-23 05:36:36,943 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-23 05:36:36,944 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-23 05:36:36,944 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-23 05:36:36,944 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-23 05:36:36,948 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-23 05:36:36,948 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-23 05:36:36,948 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-23 05:36:36,948 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-23 05:36:36,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 05:36:36 BoogieIcfgContainer [2018-11-23 05:36:36,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 05:36:36,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:36:36,951 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:36:36,951 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:36:36,951 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:35:58" (3/4) ... [2018-11-23 05:36:36,954 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 05:36:36,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 05:36:36,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 05:36:36,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 05:36:36,967 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 05:36:36,968 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 05:36:36,992 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(23 == \old(a1)) || (!(0 == a10) && !(a10 == 1))) || !(0 == a12)) || !(9 == \old(a19))) || !(0 == \old(a10))) || !(a19 == 6)) || (!(a10 == 1) && (\exists v_prenex_1 : int :: ((!(0 == (v_prenex_1 + 2) % 5) && v_prenex_1 <= 38) && a1 + 495231 <= (v_prenex_1 + -283353) / 5) && v_prenex_1 < 283353))) || !(14 == a4)) || (219 <= a1 && !(a10 == 1)) [2018-11-23 05:36:37,060 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_54413d9a-a075-4c60-a212-8e655c0a6bcb/bin-2019/utaipan/witness.graphml [2018-11-23 05:36:37,060 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:36:37,061 INFO L168 Benchmark]: Toolchain (without parser) took 39718.72 ms. Allocated memory was 1.0 GB in the beginning and 4.7 GB in the end (delta: 3.6 GB). Free memory was 957.6 MB in the beginning and 3.2 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-23 05:36:37,062 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:36:37,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.60 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 925.4 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-23 05:36:37,062 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 925.4 MB in the beginning and 1.1 GB in the end (delta: -210.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-11-23 05:36:37,063 INFO L168 Benchmark]: Boogie Preprocessor took 51.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2018-11-23 05:36:37,063 INFO L168 Benchmark]: RCFGBuilder took 1139.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:36:37,063 INFO L168 Benchmark]: TraceAbstraction took 37976.92 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-23 05:36:37,063 INFO L168 Benchmark]: Witness Printer took 109.56 ms. Allocated memory is still 4.7 GB. Free memory was 3.2 GB in the beginning and 3.2 GB in the end (delta: 72.8 MB). Peak memory consumption was 72.8 MB. Max. memory is 11.5 GB. [2018-11-23 05:36:37,065 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 367.60 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 925.4 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 925.4 MB in the beginning and 1.1 GB in the end (delta: -210.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1139.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 37976.92 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 109.56 ms. Allocated memory is still 4.7 GB. Free memory was 3.2 GB in the beginning and 3.2 GB in the end (delta: 72.8 MB). Peak memory consumption was 72.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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 [2018-11-23 05:36:37,068 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-23 05:36:37,068 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-23 05:36:37,068 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-23 05:36:37,068 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-23 05:36:37,069 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-23 05:36:37,069 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-23 05:36:37,069 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-23 05:36:37,069 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: (((((((!(23 == \old(a1)) || (!(0 == a10) && !(a10 == 1))) || !(0 == a12)) || !(9 == \old(a19))) || !(0 == \old(a10))) || !(a19 == 6)) || (!(a10 == 1) && (\exists v_prenex_1 : int :: ((!(0 == (v_prenex_1 + 2) % 5) && v_prenex_1 <= 38) && a1 + 495231 <= (v_prenex_1 + -283353) / 5) && v_prenex_1 < 283353))) || !(14 == a4)) || (219 <= a1 && !(a10 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 37.9s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 32.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1129 SDtfs, 4252 SDslu, 883 SDs, 0 SdLazy, 7338 SolverSat, 1600 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 27.7s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2617 GetRequests, 2543 SyntacticMatches, 7 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2163occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.9974484417785074 AbsIntWeakeningRatio, 0.0962962962962963 AbsIntAvgWeakeningVarsNumRemoved, 14.533333333333333 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 229 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 114 PreInvPairs, 216 NumberOfFragments, 290 HoareAnnotationTreeSize, 114 FomulaSimplifications, 3311 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2291 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2952 NumberOfCodeBlocks, 2952 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 3941 ConstructedInterpolants, 49 QuantifiedInterpolants, 3214987 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1608 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 3308/3433 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...