./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label34_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_207af74d-efd9-49e6-9e95-7db57524085d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_207af74d-efd9-49e6-9e95-7db57524085d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_207af74d-efd9-49e6-9e95-7db57524085d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_207af74d-efd9-49e6-9e95-7db57524085d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label34_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_207af74d-efd9-49e6-9e95-7db57524085d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_207af74d-efd9-49e6-9e95-7db57524085d/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 f01979d5da4d022026be8efd02bfc41090b6cbce .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 02:28:23,657 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 02:28:23,658 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 02:28:23,664 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 02:28:23,664 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 02:28:23,664 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 02:28:23,665 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 02:28:23,666 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 02:28:23,667 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 02:28:23,667 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 02:28:23,668 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 02:28:23,668 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 02:28:23,669 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 02:28:23,669 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 02:28:23,670 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 02:28:23,670 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 02:28:23,671 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 02:28:23,672 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 02:28:23,673 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 02:28:23,673 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 02:28:23,674 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 02:28:23,675 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 02:28:23,676 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 02:28:23,676 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 02:28:23,676 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 02:28:23,677 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 02:28:23,677 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 02:28:23,678 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 02:28:23,678 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 02:28:23,679 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 02:28:23,679 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 02:28:23,679 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 02:28:23,679 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 02:28:23,680 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 02:28:23,680 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 02:28:23,681 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 02:28:23,681 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_207af74d-efd9-49e6-9e95-7db57524085d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 02:28:23,688 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 02:28:23,689 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 02:28:23,689 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 02:28:23,690 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 02:28:23,690 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 02:28:23,690 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 02:28:23,690 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 02:28:23,690 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 02:28:23,690 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 02:28:23,690 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 02:28:23,690 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 02:28:23,691 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 02:28:23,691 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 02:28:23,691 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 02:28:23,691 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 02:28:23,691 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 02:28:23,691 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 02:28:23,691 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 02:28:23,692 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 02:28:23,692 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 02:28:23,692 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 02:28:23,692 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 02:28:23,692 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 02:28:23,692 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 02:28:23,692 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 02:28:23,692 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 02:28:23,692 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 02:28:23,692 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 02:28:23,693 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:28:23,693 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 02:28:23,693 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 02:28:23,693 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 02:28:23,693 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 02:28:23,693 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 02:28:23,693 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 02:28:23,693 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 02:28:23,693 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_207af74d-efd9-49e6-9e95-7db57524085d/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 -> f01979d5da4d022026be8efd02bfc41090b6cbce [2018-12-03 02:28:23,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 02:28:23,717 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 02:28:23,719 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 02:28:23,720 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 02:28:23,720 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 02:28:23,721 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_207af74d-efd9-49e6-9e95-7db57524085d/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label34_true-unreach-call_false-termination.c [2018-12-03 02:28:23,755 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_207af74d-efd9-49e6-9e95-7db57524085d/bin-2019/utaipan/data/1cf01a96e/3e03670f75ce4060beb53d93c1af5f67/FLAG11f097765 [2018-12-03 02:28:24,142 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 02:28:24,143 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_207af74d-efd9-49e6-9e95-7db57524085d/sv-benchmarks/c/eca-rers2012/Problem01_label34_true-unreach-call_false-termination.c [2018-12-03 02:28:24,149 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_207af74d-efd9-49e6-9e95-7db57524085d/bin-2019/utaipan/data/1cf01a96e/3e03670f75ce4060beb53d93c1af5f67/FLAG11f097765 [2018-12-03 02:28:24,487 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_207af74d-efd9-49e6-9e95-7db57524085d/bin-2019/utaipan/data/1cf01a96e/3e03670f75ce4060beb53d93c1af5f67 [2018-12-03 02:28:24,490 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 02:28:24,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 02:28:24,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 02:28:24,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 02:28:24,497 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 02:28:24,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:28:24" (1/1) ... [2018-12-03 02:28:24,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdfc843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:24, skipping insertion in model container [2018-12-03 02:28:24,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:28:24" (1/1) ... [2018-12-03 02:28:24,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 02:28:24,532 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 02:28:24,707 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:28:24,710 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 02:28:24,756 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:28:24,812 INFO L195 MainTranslator]: Completed translation [2018-12-03 02:28:24,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:24 WrapperNode [2018-12-03 02:28:24,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 02:28:24,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 02:28:24,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 02:28:24,813 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 02:28:24,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:24" (1/1) ... [2018-12-03 02:28:24,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:24" (1/1) ... [2018-12-03 02:28:24,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 02:28:24,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 02:28:24,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 02:28:24,839 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 02:28:24,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:24" (1/1) ... [2018-12-03 02:28:24,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:24" (1/1) ... [2018-12-03 02:28:24,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:24" (1/1) ... [2018-12-03 02:28:24,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:24" (1/1) ... [2018-12-03 02:28:24,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:24" (1/1) ... [2018-12-03 02:28:24,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:24" (1/1) ... [2018-12-03 02:28:24,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:24" (1/1) ... [2018-12-03 02:28:24,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 02:28:24,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 02:28:24,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 02:28:24,890 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 02:28:24,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_207af74d-efd9-49e6-9e95-7db57524085d/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 [2018-12-03 02:28:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 02:28:24,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 02:28:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 02:28:24,932 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 02:28:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 02:28:24,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 02:28:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 02:28:24,932 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 02:28:25,455 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 02:28:25,455 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 02:28:25,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:28:25 BoogieIcfgContainer [2018-12-03 02:28:25,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 02:28:25,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 02:28:25,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 02:28:25,458 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 02:28:25,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 02:28:24" (1/3) ... [2018-12-03 02:28:25,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f9962c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:28:25, skipping insertion in model container [2018-12-03 02:28:25,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:24" (2/3) ... [2018-12-03 02:28:25,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f9962c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:28:25, skipping insertion in model container [2018-12-03 02:28:25,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:28:25" (3/3) ... [2018-12-03 02:28:25,460 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label34_true-unreach-call_false-termination.c [2018-12-03 02:28:25,466 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 02:28:25,471 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 02:28:25,480 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 02:28:25,500 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 02:28:25,500 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 02:28:25,500 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 02:28:25,500 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 02:28:25,500 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 02:28:25,500 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 02:28:25,501 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 02:28:25,501 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 02:28:25,514 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-03 02:28:25,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-03 02:28:25,520 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:28:25,521 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:28:25,522 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:28:25,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:28:25,526 INFO L82 PathProgramCache]: Analyzing trace with hash -2059241649, now seen corresponding path program 1 times [2018-12-03 02:28:25,527 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:28:25,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:28:25,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:28:25,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:28:25,557 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:28:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:28:25,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:28:25,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:28:25,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 02:28:25,758 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:28:25,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 02:28:25,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 02:28:25,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 02:28:25,771 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-03 02:28:26,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:28:26,195 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-03 02:28:26,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 02:28:26,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2018-12-03 02:28:26,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:28:26,204 INFO L225 Difference]: With dead ends: 547 [2018-12-03 02:28:26,204 INFO L226 Difference]: Without dead ends: 278 [2018-12-03 02:28:26,207 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 02:28:26,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-03 02:28:26,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-03 02:28:26,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-03 02:28:26,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2018-12-03 02:28:26,243 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 111 [2018-12-03 02:28:26,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:28:26,243 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2018-12-03 02:28:26,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 02:28:26,243 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2018-12-03 02:28:26,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-03 02:28:26,246 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:28:26,246 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:28:26,246 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:28:26,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:28:26,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1121004690, now seen corresponding path program 1 times [2018-12-03 02:28:26,247 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:28:26,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:28:26,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:28:26,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:28:26,248 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:28:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:28:26,315 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:28:26,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:28:26,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 02:28:26,316 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:28:26,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 02:28:26,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 02:28:26,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 02:28:26,317 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 5 states. [2018-12-03 02:28:26,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:28:26,721 INFO L93 Difference]: Finished difference Result 840 states and 1253 transitions. [2018-12-03 02:28:26,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 02:28:26,722 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2018-12-03 02:28:26,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:28:26,725 INFO L225 Difference]: With dead ends: 840 [2018-12-03 02:28:26,725 INFO L226 Difference]: Without dead ends: 568 [2018-12-03 02:28:26,726 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-03 02:28:26,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-03 02:28:26,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 558. [2018-12-03 02:28:26,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2018-12-03 02:28:26,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 788 transitions. [2018-12-03 02:28:26,751 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 788 transitions. Word has length 120 [2018-12-03 02:28:26,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:28:26,751 INFO L480 AbstractCegarLoop]: Abstraction has 558 states and 788 transitions. [2018-12-03 02:28:26,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 02:28:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 788 transitions. [2018-12-03 02:28:26,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-03 02:28:26,754 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:28:26,754 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:28:26,755 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:28:26,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:28:26,755 INFO L82 PathProgramCache]: Analyzing trace with hash 476978283, now seen corresponding path program 1 times [2018-12-03 02:28:26,755 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:28:26,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:28:26,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:28:26,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:28:26,756 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:28:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:28:26,820 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:28:26,820 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:28:26,820 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:28:26,820 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 132 with the following transitions: [2018-12-03 02:28:26,822 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 02:28:26,854 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:28:26,854 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:28:27,232 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 02:28:27,233 INFO L272 AbstractInterpreter]: Visited 115 different actions 223 times. Merged at 3 different actions 3 times. Never widened. Performed 3136 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3136 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-03 02:28:27,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:28:27,238 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 02:28:27,423 INFO L227 lantSequenceWeakener]: Weakened 128 states. On average, predicates are now at 81.81% of their original sizes. [2018-12-03 02:28:27,423 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 02:28:27,467 INFO L418 sIntCurrentIteration]: We unified 130 AI predicates to 130 [2018-12-03 02:28:27,468 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 02:28:27,468 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:28:27,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-03 02:28:27,468 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:28:27,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 02:28:27,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 02:28:27,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:28:27,469 INFO L87 Difference]: Start difference. First operand 558 states and 788 transitions. Second operand 10 states. [2018-12-03 02:28:30,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:28:30,019 INFO L93 Difference]: Finished difference Result 1901 states and 2752 transitions. [2018-12-03 02:28:30,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-03 02:28:30,019 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 131 [2018-12-03 02:28:30,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:28:30,022 INFO L225 Difference]: With dead ends: 1901 [2018-12-03 02:28:30,022 INFO L226 Difference]: Without dead ends: 1349 [2018-12-03 02:28:30,023 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 140 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-03 02:28:30,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2018-12-03 02:28:30,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 697. [2018-12-03 02:28:30,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2018-12-03 02:28:30,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 939 transitions. [2018-12-03 02:28:30,038 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 939 transitions. Word has length 131 [2018-12-03 02:28:30,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:28:30,039 INFO L480 AbstractCegarLoop]: Abstraction has 697 states and 939 transitions. [2018-12-03 02:28:30,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 02:28:30,039 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 939 transitions. [2018-12-03 02:28:30,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-03 02:28:30,040 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:28:30,040 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:28:30,041 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:28:30,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:28:30,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1954484865, now seen corresponding path program 1 times [2018-12-03 02:28:30,041 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:28:30,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:28:30,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:28:30,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:28:30,042 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:28:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:28:30,120 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:28:30,120 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:28:30,120 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:28:30,120 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-12-03 02:28:30,121 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 02:28:30,124 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:28:30,124 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:28:30,259 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 02:28:30,260 INFO L272 AbstractInterpreter]: Visited 115 different actions 224 times. Merged at 4 different actions 4 times. Never widened. Performed 3044 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3044 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-03 02:28:30,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:28:30,261 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 02:28:30,372 INFO L227 lantSequenceWeakener]: Weakened 135 states. On average, predicates are now at 81.8% of their original sizes. [2018-12-03 02:28:30,373 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 02:28:30,432 INFO L418 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2018-12-03 02:28:30,432 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 02:28:30,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:28:30,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-03 02:28:30,433 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:28:30,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 02:28:30,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 02:28:30,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:28:30,434 INFO L87 Difference]: Start difference. First operand 697 states and 939 transitions. Second operand 10 states. [2018-12-03 02:28:32,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:28:32,764 INFO L93 Difference]: Finished difference Result 1662 states and 2205 transitions. [2018-12-03 02:28:32,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 02:28:32,764 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 138 [2018-12-03 02:28:32,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:28:32,765 INFO L225 Difference]: With dead ends: 1662 [2018-12-03 02:28:32,765 INFO L226 Difference]: Without dead ends: 971 [2018-12-03 02:28:32,766 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-03 02:28:32,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2018-12-03 02:28:32,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 969. [2018-12-03 02:28:32,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 969 states. [2018-12-03 02:28:32,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1236 transitions. [2018-12-03 02:28:32,779 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1236 transitions. Word has length 138 [2018-12-03 02:28:32,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:28:32,779 INFO L480 AbstractCegarLoop]: Abstraction has 969 states and 1236 transitions. [2018-12-03 02:28:32,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 02:28:32,779 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1236 transitions. [2018-12-03 02:28:32,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-03 02:28:32,781 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:28:32,781 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:28:32,781 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:28:32,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:28:32,781 INFO L82 PathProgramCache]: Analyzing trace with hash 97197594, now seen corresponding path program 1 times [2018-12-03 02:28:32,781 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:28:32,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:28:32,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:28:32,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:28:32,782 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:28:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:28:32,812 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-03 02:28:32,812 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:28:32,812 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:28:32,813 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-12-03 02:28:32,813 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 02:28:32,815 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:28:32,815 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:28:33,030 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:28:33,030 INFO L272 AbstractInterpreter]: Visited 117 different actions 461 times. Merged at 7 different actions 26 times. Never widened. Performed 6645 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6645 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-03 02:28:33,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:28:33,032 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:28:33,032 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:28:33,032 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_207af74d-efd9-49e6-9e95-7db57524085d/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 [2018-12-03 02:28:33,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:28:33,039 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:28:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:28:33,085 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:28:33,129 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-03 02:28:33,129 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:28:33,190 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-03 02:28:33,206 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 02:28:33,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-03 02:28:33,206 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 02:28:33,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 02:28:33,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 02:28:33,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-03 02:28:33,207 INFO L87 Difference]: Start difference. First operand 969 states and 1236 transitions. Second operand 8 states. [2018-12-03 02:28:34,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:28:34,648 INFO L93 Difference]: Finished difference Result 2933 states and 3963 transitions. [2018-12-03 02:28:34,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-03 02:28:34,649 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 149 [2018-12-03 02:28:34,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:28:34,654 INFO L225 Difference]: With dead ends: 2933 [2018-12-03 02:28:34,654 INFO L226 Difference]: Without dead ends: 1819 [2018-12-03 02:28:34,657 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=193, Invalid=677, Unknown=0, NotChecked=0, Total=870 [2018-12-03 02:28:34,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2018-12-03 02:28:34,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1527. [2018-12-03 02:28:34,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1527 states. [2018-12-03 02:28:34,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 1774 transitions. [2018-12-03 02:28:34,685 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 1774 transitions. Word has length 149 [2018-12-03 02:28:34,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:28:34,686 INFO L480 AbstractCegarLoop]: Abstraction has 1527 states and 1774 transitions. [2018-12-03 02:28:34,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 02:28:34,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1774 transitions. [2018-12-03 02:28:34,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-03 02:28:34,688 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:28:34,688 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:28:34,689 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:28:34,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:28:34,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1209952154, now seen corresponding path program 1 times [2018-12-03 02:28:34,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:28:34,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:28:34,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:28:34,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:28:34,690 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:28:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:28:34,766 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 73 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-03 02:28:34,766 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:28:34,767 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:28:34,767 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-12-03 02:28:34,767 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 02:28:34,769 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:28:34,769 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:28:34,860 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 02:28:34,860 INFO L272 AbstractInterpreter]: Visited 116 different actions 226 times. Merged at 4 different actions 4 times. Never widened. Performed 3115 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3115 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-03 02:28:34,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:28:34,862 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 02:28:34,979 INFO L227 lantSequenceWeakener]: Weakened 173 states. On average, predicates are now at 81.73% of their original sizes. [2018-12-03 02:28:34,979 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 02:28:35,025 INFO L418 sIntCurrentIteration]: We unified 175 AI predicates to 175 [2018-12-03 02:28:35,025 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 02:28:35,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:28:35,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-03 02:28:35,025 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:28:35,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 02:28:35,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 02:28:35,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:28:35,026 INFO L87 Difference]: Start difference. First operand 1527 states and 1774 transitions. Second operand 10 states. [2018-12-03 02:28:37,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:28:37,218 INFO L93 Difference]: Finished difference Result 3050 states and 3598 transitions. [2018-12-03 02:28:37,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-03 02:28:37,218 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2018-12-03 02:28:37,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:28:37,223 INFO L225 Difference]: With dead ends: 3050 [2018-12-03 02:28:37,223 INFO L226 Difference]: Without dead ends: 1801 [2018-12-03 02:28:37,225 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 184 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-03 02:28:37,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2018-12-03 02:28:37,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1799. [2018-12-03 02:28:37,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1799 states. [2018-12-03 02:28:37,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 2067 transitions. [2018-12-03 02:28:37,260 INFO L78 Accepts]: Start accepts. Automaton has 1799 states and 2067 transitions. Word has length 176 [2018-12-03 02:28:37,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:28:37,260 INFO L480 AbstractCegarLoop]: Abstraction has 1799 states and 2067 transitions. [2018-12-03 02:28:37,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 02:28:37,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2067 transitions. [2018-12-03 02:28:37,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-03 02:28:37,262 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:28:37,263 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:28:37,263 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:28:37,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:28:37,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1868461759, now seen corresponding path program 1 times [2018-12-03 02:28:37,263 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:28:37,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:28:37,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:28:37,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:28:37,264 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:28:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:28:37,357 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 29 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-03 02:28:37,357 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:28:37,357 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:28:37,357 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-12-03 02:28:37,358 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 02:28:37,360 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:28:37,360 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:28:37,658 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:28:37,658 INFO L272 AbstractInterpreter]: Visited 118 different actions 469 times. Merged at 8 different actions 30 times. Never widened. Performed 6801 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6801 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-03 02:28:37,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:28:37,659 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:28:37,659 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:28:37,659 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_207af74d-efd9-49e6-9e95-7db57524085d/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 [2018-12-03 02:28:37,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:28:37,665 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:28:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:28:37,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:28:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-03 02:28:37,742 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:28:37,795 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 75 proven. 22 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-03 02:28:37,810 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 02:28:37,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-03 02:28:37,810 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 02:28:37,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-03 02:28:37,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-03 02:28:37,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-03 02:28:37,811 INFO L87 Difference]: Start difference. First operand 1799 states and 2067 transitions. Second operand 11 states. [2018-12-03 02:28:38,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:28:38,880 INFO L93 Difference]: Finished difference Result 6388 states and 7733 transitions. [2018-12-03 02:28:38,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-03 02:28:38,880 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 184 [2018-12-03 02:28:38,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:28:38,892 INFO L225 Difference]: With dead ends: 6388 [2018-12-03 02:28:38,892 INFO L226 Difference]: Without dead ends: 5002 [2018-12-03 02:28:38,896 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 371 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-12-03 02:28:38,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5002 states. [2018-12-03 02:28:38,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5002 to 4861. [2018-12-03 02:28:38,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4861 states. [2018-12-03 02:28:38,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4861 states to 4861 states and 5733 transitions. [2018-12-03 02:28:38,974 INFO L78 Accepts]: Start accepts. Automaton has 4861 states and 5733 transitions. Word has length 184 [2018-12-03 02:28:38,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:28:38,974 INFO L480 AbstractCegarLoop]: Abstraction has 4861 states and 5733 transitions. [2018-12-03 02:28:38,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-03 02:28:38,975 INFO L276 IsEmpty]: Start isEmpty. Operand 4861 states and 5733 transitions. [2018-12-03 02:28:38,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-03 02:28:38,979 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:28:38,979 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:28:38,979 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:28:38,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:28:38,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1041344981, now seen corresponding path program 2 times [2018-12-03 02:28:38,980 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:28:38,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:28:38,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:28:38,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:28:38,980 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:28:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:28:39,060 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 31 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-03 02:28:39,060 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:28:39,060 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:28:39,060 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-03 02:28:39,060 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-03 02:28:39,060 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:28:39,061 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_207af74d-efd9-49e6-9e95-7db57524085d/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 [2018-12-03 02:28:39,067 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-03 02:28:39,067 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-03 02:28:39,100 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-12-03 02:28:39,100 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-03 02:28:39,103 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:28:39,136 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-03 02:28:39,136 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:28:39,174 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-03 02:28:39,230 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:28:39,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-12-03 02:28:39,231 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:28:39,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 02:28:39,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 02:28:39,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:28:39,231 INFO L87 Difference]: Start difference. First operand 4861 states and 5733 transitions. Second operand 3 states. [2018-12-03 02:28:39,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:28:39,445 INFO L93 Difference]: Finished difference Result 7536 states and 8863 transitions. [2018-12-03 02:28:39,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 02:28:39,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2018-12-03 02:28:39,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:28:39,446 INFO L225 Difference]: With dead ends: 7536 [2018-12-03 02:28:39,446 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 02:28:39,454 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 367 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:28:39,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 02:28:39,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 02:28:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 02:28:39,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 02:28:39,454 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 184 [2018-12-03 02:28:39,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:28:39,455 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 02:28:39,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 02:28:39,455 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 02:28:39,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 02:28:39,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 02:28:39,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:28:39,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:28:39,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:28:39,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:28:40,220 WARN L180 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 95 [2018-12-03 02:28:40,343 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 56 [2018-12-03 02:28:40,474 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 54 [2018-12-03 02:28:40,475 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0)) [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,476 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,477 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-03 02:28:40,478 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,479 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-03 02:28:40,480 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-03 02:28:40,481 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-03 02:28:40,481 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-03 02:28:40,481 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,481 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,481 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,481 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,481 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,481 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-03 02:28:40,481 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-03 02:28:40,481 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-03 02:28:40,481 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-03 02:28:40,481 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-03 02:28:40,481 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-03 02:28:40,481 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-03 02:28:40,481 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-03 02:28:40,482 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-03 02:28:40,482 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-03 02:28:40,482 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse10 (not (= 1 |old(~a21~0)|))) (.cse22 (not (= 1 |old(~a20~0)|))) (.cse23 (= 0 |old(~a16~0)|)) (.cse13 (not (= 8 ~a12~0))) (.cse7 (= |calculate_output_#in~input| 0)) (.cse14 (not (= 1 |old(~a17~0)|))) (.cse24 (= ~a16~0 6))) (let ((.cse12 (not (= 5 |old(~a16~0)|))) (.cse19 (= 13 |old(~a8~0)|)) (.cse16 (= |old(~a20~0)| ~a20~0)) (.cse17 (not .cse24)) (.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse15 (= 1 ~a7~0)) (.cse3 (= |old(~a8~0)| ~a8~0)) (.cse20 (not (= 1 |old(~a7~0)|))) (.cse0 (< 13 |old(~a8~0)|)) (.cse21 (< 0 |old(~a7~0)|)) (.cse6 (or .cse10 .cse22 .cse23 .cse13 .cse7 (= 0 |old(~a8~0)|) .cse14)) (.cse2 (not (= ~a16~0 0))) (.cse5 (= ~a21~0 1)) (.cse4 (= ~a17~0 1)) (.cse8 (= ~a16~0 5)) (.cse18 (= 6 |old(~a16~0)|)) (.cse9 (not (= 0 |old(~a7~0)|))) (.cse11 (not (= 15 |old(~a8~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a20~0 1)) .cse6) (or .cse7 (and .cse4 .cse5 .cse8) (or .cse9 .cse10 .cse11 (not (= 0 |old(~a20~0)|)) .cse12 .cse13 .cse14)) (or .cse9 .cse8 .cse11 .cse12 .cse6) (or (and .cse15 .cse3 .cse16 .cse17) .cse18 .cse19 .cse20) (or .cse19 .cse21 (and .cse1 .cse3 .cse16)) (or .cse18 .cse17 .cse21) (or (and .cse16 (or (and .cse1 .cse3 .cse17) (and .cse1 .cse15 .cse3))) (and (or .cse0 .cse20) (or .cse18 .cse0))) (or (and .cse2 .cse4 .cse5) .cse21 .cse6) (or .cse18 .cse9 .cse10 .cse13 .cse7 (and .cse2 .cse5) .cse22 .cse11 .cse23) (or .cse7 (and .cse5 (or (and .cse4 .cse8) (and (= ~a17~0 0) .cse24))) (or (not .cse18) .cse9 .cse10 .cse22 .cse11 (not (= 0 |old(~a17~0)|)) .cse13))))) [2018-12-03 02:28:40,482 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-03 02:28:40,482 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,482 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,482 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,482 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,482 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-03 02:28:40,483 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,483 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,483 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-03 02:28:40,483 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-03 02:28:40,483 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-03 02:28:40,483 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-03 02:28:40,483 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-03 02:28:40,483 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-03 02:28:40,483 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-03 02:28:40,483 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-03 02:28:40,483 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2018-12-03 02:28:40,483 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-03 02:28:40,483 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-03 02:28:40,484 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-03 02:28:40,484 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-03 02:28:40,484 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,484 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,484 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,484 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,484 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,484 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-03 02:28:40,484 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,484 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-03 02:28:40,484 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-03 02:28:40,484 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-03 02:28:40,484 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-03 02:28:40,484 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-03 02:28:40,485 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-03 02:28:40,485 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-03 02:28:40,485 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-03 02:28:40,485 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-03 02:28:40,485 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-03 02:28:40,485 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-03 02:28:40,485 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-03 02:28:40,485 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-03 02:28:40,485 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-03 02:28:40,485 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,485 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,485 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,485 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,485 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,485 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:28:40,486 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-03 02:28:40,486 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-03 02:28:40,486 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-03 02:28:40,486 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-03 02:28:40,486 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-03 02:28:40,486 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-03 02:28:40,486 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-03 02:28:40,486 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-03 02:28:40,486 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-03 02:28:40,486 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-03 02:28:40,486 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:28:40,486 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-03 02:28:40,486 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 02:28:40,487 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:28:40,487 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (and (= ~a17~0 1) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-12-03 02:28:40,487 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-03 02:28:40,487 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0)) (.cse1 (not (= ~a16~0 6))) (.cse2 (<= ~a8~0 13))) (or (and .cse0 .cse1) (not (= 1 |old(~a21~0)|)) (and (not (= ~a8~0 13)) (<= ~a7~0 0)) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (or (and .cse2 .cse0) (and .cse2 .cse1)) (and .cse2 (not (= main_~input~0 0)) (not (= ~a8~0 0)) (= ~a17~0 1) (= ~a21~0 1) (= ~a20~0 1)) (not (= 15 |old(~a8~0)|)))) [2018-12-03 02:28:40,487 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-03 02:28:40,487 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-03 02:28:40,487 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0)) (.cse1 (not (= ~a16~0 6))) (.cse2 (<= ~a8~0 13))) (or (and .cse0 .cse1) (not (= 1 |old(~a21~0)|)) (and (not (= ~a8~0 13)) (<= ~a7~0 0)) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (or (and .cse2 .cse0) (and .cse2 .cse1)) (not (= 15 |old(~a8~0)|)) (and .cse2 (and (not (= ~a8~0 0)) (= ~a17~0 1) (= ~a21~0 1) (= ~a20~0 1))))) [2018-12-03 02:28:40,487 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-03 02:28:40,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 02:28:40 BoogieIcfgContainer [2018-12-03 02:28:40,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 02:28:40,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 02:28:40,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 02:28:40,497 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 02:28:40,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:28:25" (3/4) ... [2018-12-03 02:28:40,501 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 02:28:40,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 02:28:40,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 02:28:40,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 02:28:40,515 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-03 02:28:40,515 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 02:28:40,539 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 == a7 && !(a16 == 6)) || !(1 == \old(a21))) || (!(a8 == 13) && a7 <= 0)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || !(0 == \old(a7))) || !(1 == \old(a17))) || (a8 <= 13 && 1 == a7) || (a8 <= 13 && !(a16 == 6))) || !(15 == \old(a8))) || (a8 <= 13 && ((!(a8 == 0) && a17 == 1) && a21 == 1) && a20 == 1) [2018-12-03 02:28:40,591 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_207af74d-efd9-49e6-9e95-7db57524085d/bin-2019/utaipan/witness.graphml [2018-12-03 02:28:40,592 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 02:28:40,592 INFO L168 Benchmark]: Toolchain (without parser) took 16101.22 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 949.6 MB in the beginning and 1.5 GB in the end (delta: -564.6 MB). Peak memory consumption was 519.1 MB. Max. memory is 11.5 GB. [2018-12-03 02:28:40,593 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:28:40,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. [2018-12-03 02:28:40,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.40 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-03 02:28:40,593 INFO L168 Benchmark]: Boogie Preprocessor took 51.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-03 02:28:40,593 INFO L168 Benchmark]: RCFGBuilder took 565.44 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: 100.0 MB). Peak memory consumption was 100.0 MB. Max. memory is 11.5 GB. [2018-12-03 02:28:40,593 INFO L168 Benchmark]: TraceAbstraction took 15040.35 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 946.9 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -497.4 MB). Peak memory consumption was 449.5 MB. Max. memory is 11.5 GB. [2018-12-03 02:28:40,593 INFO L168 Benchmark]: Witness Printer took 94.95 ms. Allocated memory is still 2.1 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:28:40,594 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.40 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 565.44 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: 100.0 MB). Peak memory consumption was 100.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15040.35 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 946.9 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -497.4 MB). Peak memory consumption was 449.5 MB. Max. memory is 11.5 GB. * Witness Printer took 94.95 ms. Allocated memory is still 2.1 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 491]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((1 == a7 && !(a16 == 6)) || !(1 == \old(a21))) || (!(a8 == 13) && a7 <= 0)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || !(0 == \old(a7))) || !(1 == \old(a17))) || (a8 <= 13 && 1 == a7) || (a8 <= 13 && !(a16 == 6))) || !(15 == \old(a8))) || (a8 <= 13 && ((!(a8 == 0) && a17 == 1) && a21 == 1) && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 14.9s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 10.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 389 SDtfs, 6121 SDslu, 508 SDs, 0 SdLazy, 8376 SolverSat, 1359 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1590 GetRequests, 1471 SyntacticMatches, 7 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4861occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9968652259530895 AbsIntWeakeningRatio, 0.251131221719457 AbsIntAvgWeakeningVarsNumRemoved, 29.08371040723982 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1099 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 105 PreInvPairs, 195 NumberOfFragments, 611 HoareAnnotationTreeSize, 105 FomulaSimplifications, 10411 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4655 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1710 NumberOfCodeBlocks, 1646 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2213 ConstructedInterpolants, 0 QuantifiedInterpolants, 720298 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1420 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 908/1023 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...