./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9c3361da-a338-4165-847b-f0de6877ea46/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9c3361da-a338-4165-847b-f0de6877ea46/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9c3361da-a338-4165-847b-f0de6877ea46/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9c3361da-a338-4165-847b-f0de6877ea46/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9c3361da-a338-4165-847b-f0de6877ea46/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9c3361da-a338-4165-847b-f0de6877ea46/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 2f6307005cb5c47af0b5fde9199b934ec7fee093 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:23:16,921 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:23:16,922 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:23:16,931 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:23:16,931 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:23:16,932 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:23:16,933 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:23:16,934 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:23:16,935 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:23:16,936 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:23:16,936 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:23:16,936 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:23:16,937 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:23:16,938 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:23:16,939 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:23:16,939 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:23:16,940 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:23:16,941 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:23:16,942 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:23:16,943 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:23:16,944 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:23:16,945 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:23:16,946 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:23:16,947 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:23:16,947 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:23:16,947 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:23:16,948 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:23:16,949 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:23:16,949 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:23:16,951 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:23:16,951 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:23:16,951 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:23:16,952 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:23:16,952 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:23:16,952 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:23:16,953 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:23:16,953 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9c3361da-a338-4165-847b-f0de6877ea46/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 08:23:16,963 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:23:16,964 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:23:16,964 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:23:16,964 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:23:16,965 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 08:23:16,965 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 08:23:16,965 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 08:23:16,965 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 08:23:16,965 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 08:23:16,965 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 08:23:16,966 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 08:23:16,966 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 08:23:16,966 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 08:23:16,967 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:23:16,967 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:23:16,967 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:23:16,967 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:23:16,967 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:23:16,967 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:23:16,967 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:23:16,968 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:23:16,968 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:23:16,968 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:23:16,968 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:23:16,968 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:23:16,968 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:23:16,969 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:23:16,969 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:23:16,969 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:23:16,969 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:23:16,969 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:23:16,969 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:23:16,969 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:23:16,970 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 08:23:16,970 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:23:16,970 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:23:16,970 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 08:23:16,970 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_9c3361da-a338-4165-847b-f0de6877ea46/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 -> 2f6307005cb5c47af0b5fde9199b934ec7fee093 [2018-11-23 08:23:16,994 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:23:17,003 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:23:17,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:23:17,007 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:23:17,007 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:23:17,008 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9c3361da-a338-4165-847b-f0de6877ea46/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.c [2018-11-23 08:23:17,052 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9c3361da-a338-4165-847b-f0de6877ea46/bin-2019/utaipan/data/619b4457d/f46a5b269bdd41fd98d26445fdbc7705/FLAG2f10f96b4 [2018-11-23 08:23:17,403 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:23:17,404 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9c3361da-a338-4165-847b-f0de6877ea46/sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.c [2018-11-23 08:23:17,413 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9c3361da-a338-4165-847b-f0de6877ea46/bin-2019/utaipan/data/619b4457d/f46a5b269bdd41fd98d26445fdbc7705/FLAG2f10f96b4 [2018-11-23 08:23:17,425 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9c3361da-a338-4165-847b-f0de6877ea46/bin-2019/utaipan/data/619b4457d/f46a5b269bdd41fd98d26445fdbc7705 [2018-11-23 08:23:17,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:23:17,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:23:17,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:23:17,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:23:17,434 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:23:17,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:23:17" (1/1) ... [2018-11-23 08:23:17,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f375ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:17, skipping insertion in model container [2018-11-23 08:23:17,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:23:17" (1/1) ... [2018-11-23 08:23:17,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:23:17,479 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:23:17,704 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:23:17,707 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:23:17,776 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:23:17,788 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:23:17,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:17 WrapperNode [2018-11-23 08:23:17,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:23:17,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:23:17,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:23:17,790 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:23:17,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:17" (1/1) ... [2018-11-23 08:23:17,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:17" (1/1) ... [2018-11-23 08:23:17,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:23:17,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:23:17,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:23:17,865 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:23:17,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:17" (1/1) ... [2018-11-23 08:23:17,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:17" (1/1) ... [2018-11-23 08:23:17,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:17" (1/1) ... [2018-11-23 08:23:17,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:17" (1/1) ... [2018-11-23 08:23:17,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:17" (1/1) ... [2018-11-23 08:23:17,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:17" (1/1) ... [2018-11-23 08:23:17,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:17" (1/1) ... [2018-11-23 08:23:17,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:23:17,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:23:17,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:23:17,913 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:23:17,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9c3361da-a338-4165-847b-f0de6877ea46/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:23:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 08:23:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:23:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:23:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 08:23:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 08:23:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:23:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:23:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:23:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:23:19,044 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:23:19,045 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 08:23:19,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:19 BoogieIcfgContainer [2018-11-23 08:23:19,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:23:19,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:23:19,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:23:19,047 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:23:19,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:23:17" (1/3) ... [2018-11-23 08:23:19,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa3c71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:23:19, skipping insertion in model container [2018-11-23 08:23:19,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:17" (2/3) ... [2018-11-23 08:23:19,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa3c71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:23:19, skipping insertion in model container [2018-11-23 08:23:19,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:19" (3/3) ... [2018-11-23 08:23:19,050 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label16_true-unreach-call.c [2018-11-23 08:23:19,056 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:23:19,061 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:23:19,071 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:23:19,095 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:23:19,095 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:23:19,095 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:23:19,095 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:23:19,095 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:23:19,095 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:23:19,096 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:23:19,096 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:23:19,114 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-11-23 08:23:19,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 08:23:19,119 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:19,119 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] [2018-11-23 08:23:19,121 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:19,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:19,125 INFO L82 PathProgramCache]: Analyzing trace with hash -369766826, now seen corresponding path program 1 times [2018-11-23 08:23:19,127 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:23:19,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:19,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:19,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:19,157 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:23:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:19,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:19,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:19,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:23:19,330 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:23:19,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:23:19,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:23:19,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:23:19,344 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-11-23 08:23:20,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:20,075 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-11-23 08:23:20,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:23:20,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-11-23 08:23:20,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:20,090 INFO L225 Difference]: With dead ends: 571 [2018-11-23 08:23:20,090 INFO L226 Difference]: Without dead ends: 354 [2018-11-23 08:23:20,095 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:23:20,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-11-23 08:23:20,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2018-11-23 08:23:20,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2018-11-23 08:23:20,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 607 transitions. [2018-11-23 08:23:20,147 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 607 transitions. Word has length 39 [2018-11-23 08:23:20,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:20,148 INFO L480 AbstractCegarLoop]: Abstraction has 354 states and 607 transitions. [2018-11-23 08:23:20,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:23:20,148 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 607 transitions. [2018-11-23 08:23:20,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-23 08:23:20,153 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:20,154 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:23:20,154 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:20,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:20,155 INFO L82 PathProgramCache]: Analyzing trace with hash -986233207, now seen corresponding path program 1 times [2018-11-23 08:23:20,155 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:23:20,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:20,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:20,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:20,156 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:23:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:20,318 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:20,319 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:20,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 08:23:20,320 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:23:20,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 08:23:20,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 08:23:20,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:23:20,322 INFO L87 Difference]: Start difference. First operand 354 states and 607 transitions. Second operand 4 states. [2018-11-23 08:23:21,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:21,025 INFO L93 Difference]: Finished difference Result 1274 states and 2320 transitions. [2018-11-23 08:23:21,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 08:23:21,026 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 158 [2018-11-23 08:23:21,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:21,032 INFO L225 Difference]: With dead ends: 1274 [2018-11-23 08:23:21,032 INFO L226 Difference]: Without dead ends: 926 [2018-11-23 08:23:21,036 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:23:21,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2018-11-23 08:23:21,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 926. [2018-11-23 08:23:21,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-11-23 08:23:21,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1465 transitions. [2018-11-23 08:23:21,075 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1465 transitions. Word has length 158 [2018-11-23 08:23:21,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:21,076 INFO L480 AbstractCegarLoop]: Abstraction has 926 states and 1465 transitions. [2018-11-23 08:23:21,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 08:23:21,076 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1465 transitions. [2018-11-23 08:23:21,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 08:23:21,080 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:21,081 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:23:21,081 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:21,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:21,081 INFO L82 PathProgramCache]: Analyzing trace with hash -585229963, now seen corresponding path program 1 times [2018-11-23 08:23:21,081 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:23:21,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:21,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:21,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:21,083 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:23:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:21,202 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:21,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:21,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:23:21,202 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:23:21,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:23:21,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:23:21,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:23:21,203 INFO L87 Difference]: Start difference. First operand 926 states and 1465 transitions. Second operand 5 states. [2018-11-23 08:23:22,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:22,319 INFO L93 Difference]: Finished difference Result 2945 states and 4709 transitions. [2018-11-23 08:23:22,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:23:22,319 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2018-11-23 08:23:22,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:22,327 INFO L225 Difference]: With dead ends: 2945 [2018-11-23 08:23:22,327 INFO L226 Difference]: Without dead ends: 2025 [2018-11-23 08:23:22,333 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:23:22,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2025 states. [2018-11-23 08:23:22,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2025 to 1979. [2018-11-23 08:23:22,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1979 states. [2018-11-23 08:23:22,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1979 states and 2866 transitions. [2018-11-23 08:23:22,373 INFO L78 Accepts]: Start accepts. Automaton has 1979 states and 2866 transitions. Word has length 164 [2018-11-23 08:23:22,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:22,374 INFO L480 AbstractCegarLoop]: Abstraction has 1979 states and 2866 transitions. [2018-11-23 08:23:22,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:23:22,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2866 transitions. [2018-11-23 08:23:22,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-23 08:23:22,380 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:22,381 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 08:23:22,381 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:22,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:22,381 INFO L82 PathProgramCache]: Analyzing trace with hash 385637137, now seen corresponding path program 1 times [2018-11-23 08:23:22,381 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:23:22,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:22,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:22,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:22,382 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:23:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:22,511 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 64 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 08:23:22,512 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:23:22,512 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:23:22,512 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 239 with the following transitions: [2018-11-23 08:23:22,514 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 08:23:22,547 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:23:22,547 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:23:22,869 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 08:23:22,870 INFO L272 AbstractInterpreter]: Visited 130 different actions 130 times. Never merged. Never widened. Performed 1293 root evaluator evaluations with a maximum evaluation depth of 10. Performed 1293 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 08:23:22,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:22,897 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 08:23:23,185 INFO L227 lantSequenceWeakener]: Weakened 229 states. On average, predicates are now at 73.07% of their original sizes. [2018-11-23 08:23:23,185 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 08:23:23,222 INFO L415 sIntCurrentIteration]: We unified 237 AI predicates to 237 [2018-11-23 08:23:23,222 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 08:23:23,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:23:23,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 08:23:23,223 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:23:23,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:23:23,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:23:23,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:23:23,225 INFO L87 Difference]: Start difference. First operand 1979 states and 2866 transitions. Second operand 6 states. [2018-11-23 08:23:34,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:34,909 INFO L93 Difference]: Finished difference Result 4096 states and 5948 transitions. [2018-11-23 08:23:34,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 08:23:34,910 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 238 [2018-11-23 08:23:34,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:34,916 INFO L225 Difference]: With dead ends: 4096 [2018-11-23 08:23:34,916 INFO L226 Difference]: Without dead ends: 2123 [2018-11-23 08:23:34,920 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 238 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:23:34,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2018-11-23 08:23:34,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 2122. [2018-11-23 08:23:34,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2122 states. [2018-11-23 08:23:34,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 2122 states and 3016 transitions. [2018-11-23 08:23:34,954 INFO L78 Accepts]: Start accepts. Automaton has 2122 states and 3016 transitions. Word has length 238 [2018-11-23 08:23:34,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:34,954 INFO L480 AbstractCegarLoop]: Abstraction has 2122 states and 3016 transitions. [2018-11-23 08:23:34,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:23:34,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 3016 transitions. [2018-11-23 08:23:34,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-23 08:23:34,959 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:34,959 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 08:23:34,959 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:34,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:34,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1331299086, now seen corresponding path program 1 times [2018-11-23 08:23:34,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:23:34,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:34,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:34,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:34,961 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:23:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:35,102 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 141 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:35,102 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:23:35,102 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:23:35,102 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-11-23 08:23:35,103 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 08:23:35,106 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:23:35,107 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:23:35,271 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 08:23:35,271 INFO L272 AbstractInterpreter]: Visited 134 different actions 265 times. Merged at 6 different actions 8 times. Never widened. Performed 2820 root evaluator evaluations with a maximum evaluation depth of 10. Performed 2820 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 08:23:35,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:35,275 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 08:23:35,275 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:23:35,275 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9c3361da-a338-4165-847b-f0de6877ea46/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:23:35,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:35,297 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 08:23:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:35,378 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:23:35,502 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 141 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:35,503 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:23:35,701 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 141 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:35,726 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 08:23:35,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 08:23:35,726 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 08:23:35,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:23:35,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:23:35,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-23 08:23:35,728 INFO L87 Difference]: Start difference. First operand 2122 states and 3016 transitions. Second operand 9 states. [2018-11-23 08:23:38,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:38,178 INFO L93 Difference]: Finished difference Result 6686 states and 11388 transitions. [2018-11-23 08:23:38,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 08:23:38,178 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 243 [2018-11-23 08:23:38,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:38,188 INFO L225 Difference]: With dead ends: 6686 [2018-11-23 08:23:38,188 INFO L226 Difference]: Without dead ends: 1556 [2018-11-23 08:23:38,260 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 489 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-23 08:23:38,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2018-11-23 08:23:38,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1522. [2018-11-23 08:23:38,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1522 states. [2018-11-23 08:23:38,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1522 states and 2037 transitions. [2018-11-23 08:23:38,317 INFO L78 Accepts]: Start accepts. Automaton has 1522 states and 2037 transitions. Word has length 243 [2018-11-23 08:23:38,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:38,318 INFO L480 AbstractCegarLoop]: Abstraction has 1522 states and 2037 transitions. [2018-11-23 08:23:38,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:23:38,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 2037 transitions. [2018-11-23 08:23:38,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-23 08:23:38,327 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:38,327 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 08:23:38,327 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:38,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:38,328 INFO L82 PathProgramCache]: Analyzing trace with hash -406757270, now seen corresponding path program 1 times [2018-11-23 08:23:38,328 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:23:38,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:38,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:38,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:38,329 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:23:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:38,621 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 65 proven. 46 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 08:23:38,621 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:23:38,621 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:23:38,621 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 280 with the following transitions: [2018-11-23 08:23:38,622 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 08:23:38,625 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:23:38,625 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:23:38,802 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 08:23:38,802 INFO L272 AbstractInterpreter]: Visited 133 different actions 260 times. Merged at 4 different actions 4 times. Never widened. Performed 2727 root evaluator evaluations with a maximum evaluation depth of 13. Performed 2727 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 08:23:38,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:38,806 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 08:23:39,047 INFO L227 lantSequenceWeakener]: Weakened 276 states. On average, predicates are now at 77.97% of their original sizes. [2018-11-23 08:23:39,048 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 08:23:39,129 INFO L415 sIntCurrentIteration]: We unified 278 AI predicates to 278 [2018-11-23 08:23:39,129 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 08:23:39,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:23:39,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 08:23:39,130 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:23:39,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 08:23:39,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 08:23:39,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 08:23:39,130 INFO L87 Difference]: Start difference. First operand 1522 states and 2037 transitions. Second operand 10 states. [2018-11-23 08:23:51,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:51,075 INFO L93 Difference]: Finished difference Result 3290 states and 4571 transitions. [2018-11-23 08:23:51,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 08:23:51,076 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 279 [2018-11-23 08:23:51,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:51,083 INFO L225 Difference]: With dead ends: 3290 [2018-11-23 08:23:51,083 INFO L226 Difference]: Without dead ends: 1917 [2018-11-23 08:23:51,087 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 289 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-23 08:23:51,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2018-11-23 08:23:51,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1851. [2018-11-23 08:23:51,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1851 states. [2018-11-23 08:23:51,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1851 states and 2248 transitions. [2018-11-23 08:23:51,133 INFO L78 Accepts]: Start accepts. Automaton has 1851 states and 2248 transitions. Word has length 279 [2018-11-23 08:23:51,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:51,133 INFO L480 AbstractCegarLoop]: Abstraction has 1851 states and 2248 transitions. [2018-11-23 08:23:51,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 08:23:51,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2248 transitions. [2018-11-23 08:23:51,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-11-23 08:23:51,141 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:51,142 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:23:51,142 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:51,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:51,142 INFO L82 PathProgramCache]: Analyzing trace with hash 708314986, now seen corresponding path program 1 times [2018-11-23 08:23:51,142 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:23:51,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:51,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:51,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:51,143 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:23:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:51,378 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 284 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 08:23:51,378 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:23:51,378 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:23:51,379 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 352 with the following transitions: [2018-11-23 08:23:51,379 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 08:23:51,383 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:23:51,384 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:23:51,589 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 08:23:51,589 INFO L272 AbstractInterpreter]: Visited 135 different actions 400 times. Merged at 7 different actions 17 times. Never widened. Performed 4299 root evaluator evaluations with a maximum evaluation depth of 13. Performed 4299 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 08:23:51,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:51,598 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 08:23:51,599 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:23:51,599 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9c3361da-a338-4165-847b-f0de6877ea46/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:23:51,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:51,606 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 08:23:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:51,685 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:23:51,751 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 284 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 08:23:51,752 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:23:51,863 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 284 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 08:23:51,878 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 08:23:51,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-23 08:23:51,879 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 08:23:51,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:23:51,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:23:51,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:23:51,880 INFO L87 Difference]: Start difference. First operand 1851 states and 2248 transitions. Second operand 7 states. [2018-11-23 08:23:52,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:52,750 INFO L93 Difference]: Finished difference Result 4545 states and 5668 transitions. [2018-11-23 08:23:52,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 08:23:52,750 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 351 [2018-11-23 08:23:52,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:52,760 INFO L225 Difference]: With dead ends: 4545 [2018-11-23 08:23:52,760 INFO L226 Difference]: Without dead ends: 2843 [2018-11-23 08:23:52,763 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 715 GetRequests, 702 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-11-23 08:23:52,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2843 states. [2018-11-23 08:23:52,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2843 to 2700. [2018-11-23 08:23:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2700 states. [2018-11-23 08:23:52,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 2700 states and 3307 transitions. [2018-11-23 08:23:52,833 INFO L78 Accepts]: Start accepts. Automaton has 2700 states and 3307 transitions. Word has length 351 [2018-11-23 08:23:52,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:52,834 INFO L480 AbstractCegarLoop]: Abstraction has 2700 states and 3307 transitions. [2018-11-23 08:23:52,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:23:52,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2700 states and 3307 transitions. [2018-11-23 08:23:52,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-11-23 08:23:52,846 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:52,846 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:23:52,846 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:52,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:52,847 INFO L82 PathProgramCache]: Analyzing trace with hash 95899057, now seen corresponding path program 1 times [2018-11-23 08:23:52,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:23:52,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:52,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:52,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:52,848 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:23:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:53,206 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-11-23 08:23:53,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:53,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 08:23:53,207 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:23:53,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 08:23:53,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 08:23:53,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:23:53,208 INFO L87 Difference]: Start difference. First operand 2700 states and 3307 transitions. Second operand 4 states. [2018-11-23 08:23:53,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:53,838 INFO L93 Difference]: Finished difference Result 6289 states and 7925 transitions. [2018-11-23 08:23:53,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 08:23:53,839 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 364 [2018-11-23 08:23:53,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:53,840 INFO L225 Difference]: With dead ends: 6289 [2018-11-23 08:23:53,840 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:23:53,846 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:23:53,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:23:53,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:23:53,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:23:53,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:23:53,847 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 364 [2018-11-23 08:23:53,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:53,847 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:23:53,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 08:23:53,847 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:23:53,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:23:53,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:23:53,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:53,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:53,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:53,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:54,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:54,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:54,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:54,499 WARN L180 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 69 [2018-11-23 08:23:54,610 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 46 [2018-11-23 08:23:54,712 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 42 [2018-11-23 08:23:54,713 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:23:54,714 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-23 08:23:54,714 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:23:54,714 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-23 08:23:54,714 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,714 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,714 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,714 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,714 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,714 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,714 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-23 08:23:54,714 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-23 08:23:54,714 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 08:23:54,715 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 08:23:54,715 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 08:23:54,715 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 08:23:54,715 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 08:23:54,715 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 08:23:54,715 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-23 08:23:54,715 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-23 08:23:54,715 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-23 08:23:54,715 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,715 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,715 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,715 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,715 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,715 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-23 08:23:54,716 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-23 08:23:54,716 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-23 08:23:54,716 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-23 08:23:54,716 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 08:23:54,716 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 08:23:54,716 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 08:23:54,716 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 08:23:54,716 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 08:23:54,716 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-23 08:23:54,716 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-23 08:23:54,716 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-23 08:23:54,716 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-23 08:23:54,716 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-23 08:23:54,716 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,716 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,717 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,717 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,717 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,717 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-23 08:23:54,717 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 08:23:54,717 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 08:23:54,717 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 08:23:54,717 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 08:23:54,717 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 08:23:54,717 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-23 08:23:54,717 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-23 08:23:54,717 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-23 08:23:54,717 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-23 08:23:54,717 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,718 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,718 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,718 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,718 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,718 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-23 08:23:54,718 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-23 08:23:54,718 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-23 08:23:54,718 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 08:23:54,718 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 08:23:54,718 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 08:23:54,718 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 08:23:54,718 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 08:23:54,718 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-23 08:23:54,718 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-23 08:23:54,719 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-23 08:23:54,719 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-23 08:23:54,719 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-23 08:23:54,719 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,719 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,719 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,719 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,719 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,719 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 08:23:54,719 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 08:23:54,719 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 08:23:54,719 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 08:23:54,719 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 08:23:54,719 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-23 08:23:54,719 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-23 08:23:54,719 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-23 08:23:54,720 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-23 08:23:54,720 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,720 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,720 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,720 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,720 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,720 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,720 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,720 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-23 08:23:54,720 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-23 08:23:54,720 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-23 08:23:54,720 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-23 08:23:54,720 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 08:23:54,720 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 08:23:54,720 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 08:23:54,721 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 08:23:54,721 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 08:23:54,721 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-23 08:23:54,721 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-23 08:23:54,721 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-23 08:23:54,721 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-23 08:23:54,721 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,721 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,721 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,721 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,721 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 08:23:54,721 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,721 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,722 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-23 08:23:54,722 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-23 08:23:54,722 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-23 08:23:54,722 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 08:23:54,722 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 08:23:54,722 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 08:23:54,722 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 08:23:54,722 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 08:23:54,722 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 08:23:54,722 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-23 08:23:54,722 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-23 08:23:54,723 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-23 08:23:54,723 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-23 08:23:54,723 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,723 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,723 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,723 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,723 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,723 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,723 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-23 08:23:54,723 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-23 08:23:54,723 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-23 08:23:54,723 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 08:23:54,723 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 08:23:54,724 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 08:23:54,724 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 08:23:54,724 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 08:23:54,724 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 08:23:54,724 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-23 08:23:54,724 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-23 08:23:54,724 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse12 (= |old(~a19~0)| ~a19~0)) (.cse13 (= ~a1~0 |old(~a1~0)|))) (let ((.cse0 (= ~a10~0 0)) (.cse5 (= 3 ~a10~0)) (.cse6 (not (= 3 |old(~a10~0)|))) (.cse7 (< 8 |old(~a19~0)|)) (.cse11 (= 6 |old(~a19~0)|)) (.cse8 (and .cse12 .cse13)) (.cse9 (= 4 |old(~a10~0)|)) (.cse10 (and .cse12 (not (= 4 ~a10~0)) .cse13)) (.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= 0 ~a12~0))) (.cse4 (not (= 9 |old(~a19~0)|))) (.cse1 (= |calculate_output_#in~input| 0))) (and (or (or (and .cse0 (= ~a1~0 23)) (= ~a10~0 1)) .cse1 (or (not (= 1 |old(~a10~0)|)) .cse2 .cse3 .cse4)) (or .cse5 .cse2 .cse3 .cse4 .cse1 .cse6) (or .cse2 .cse3 .cse4 (not (= 23 |old(~a1~0)|)) .cse1 (not (= 0 |old(~a10~0)|)) .cse0) (or (< 0 (+ |old(~a1~0)| 333899)) .cse7 .cse8) (or .cse9 .cse10 .cse11) (or (and .cse12 .cse5 .cse13) .cse7 .cse6) (or .cse7 .cse11 .cse8) (or .cse9 (< 23 |old(~a1~0)|) .cse10) (or (and (= ~a19~0 9) .cse13) .cse2 .cse3 .cse4 .cse1)))) [2018-11-23 08:23:54,724 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-23 08:23:54,724 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-23 08:23:54,725 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-23 08:23:54,725 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,725 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,725 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,725 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,725 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,725 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,725 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-23 08:23:54,725 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 08:23:54,725 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 08:23:54,725 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 08:23:54,725 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 08:23:54,725 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 08:23:54,725 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 08:23:54,725 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-23 08:23:54,726 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,727 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,727 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,727 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,727 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,727 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 08:23:54,727 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-23 08:23:54,727 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-23 08:23:54,727 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-23 08:23:54,727 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 08:23:54,727 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 08:23:54,727 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 08:23:54,727 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 08:23:54,727 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 08:23:54,727 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 08:23:54,728 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2018-11-23 08:23:54,728 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-23 08:23:54,728 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-23 08:23:54,728 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-23 08:23:54,728 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:23:54,728 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-11-23 08:23:54,728 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:23:54,728 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:23:54,728 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (and (= ~a19~0 9) (= ~a10~0 0) (= ~a1~0 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-23 08:23:54,728 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-23 08:23:54,728 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= 4 ~a10~0))) (.cse1 (not (= ~a19~0 6))) (.cse2 (<= ~a19~0 8))) (or (and (<= ~a1~0 23) .cse0) (and (not (= main_~input~0 0)) (= ~a19~0 9)) (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (and .cse1 .cse0) (and (<= (+ ~a1~0 333899) 0) .cse2) (and .cse1 .cse2) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (= 3 ~a10~0))) [2018-11-23 08:23:54,728 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-23 08:23:54,728 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-23 08:23:54,728 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= 4 ~a10~0))) (.cse1 (not (= ~a19~0 6))) (.cse2 (<= ~a19~0 8))) (or (and (<= ~a1~0 23) .cse0) (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (and .cse1 .cse0) (and (<= (+ ~a1~0 333899) 0) .cse2) (and .cse1 .cse2) (= ~a19~0 9) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (= 3 ~a10~0))) [2018-11-23 08:23:54,728 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-11-23 08:23:54,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:23:54 BoogieIcfgContainer [2018-11-23 08:23:54,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:23:54,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:23:54,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:23:54,744 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:23:54,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:19" (3/4) ... [2018-11-23 08:23:54,748 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:23:54,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:23:54,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 08:23:54,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:23:54,762 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 08:23:54,763 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 08:23:54,781 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((a1 <= 23 && !(4 == a10)) || !(14 == a4)) || !(23 == \old(a1))) || (!(a19 == 6) && !(4 == a10))) || (a1 + 333899 <= 0 && a19 <= 8)) || (!(a19 == 6) && a19 <= 8)) || a19 == 9) || !(0 == a12)) || !(9 == \old(a19))) || !(0 == \old(a10))) || 3 == a10 [2018-11-23 08:23:54,842 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9c3361da-a338-4165-847b-f0de6877ea46/bin-2019/utaipan/witness.graphml [2018-11-23 08:23:54,842 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:23:54,843 INFO L168 Benchmark]: Toolchain (without parser) took 37413.47 ms. Allocated memory was 1.0 GB in the beginning and 4.2 GB in the end (delta: 3.2 GB). Free memory was 957.5 MB in the beginning and 3.5 GB in the end (delta: -2.6 GB). Peak memory consumption was 605.6 MB. Max. memory is 11.5 GB. [2018-11-23 08:23:54,843 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:23:54,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.14 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 922.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:23:54,844 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 922.6 MB in the beginning and 1.1 GB in the end (delta: -199.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:23:54,844 INFO L168 Benchmark]: Boogie Preprocessor took 48.10 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. [2018-11-23 08:23:54,844 INFO L168 Benchmark]: RCFGBuilder took 1132.10 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: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:23:54,844 INFO L168 Benchmark]: TraceAbstraction took 35698.37 ms. Allocated memory was 1.2 GB in the beginning and 4.2 GB in the end (delta: 3.0 GB). Free memory was 1.0 GB in the beginning and 3.5 GB in the end (delta: -2.5 GB). Peak memory consumption was 533.6 MB. Max. memory is 11.5 GB. [2018-11-23 08:23:54,845 INFO L168 Benchmark]: Witness Printer took 98.14 ms. Allocated memory is still 4.2 GB. Free memory is still 3.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:23:54,846 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.14 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 922.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 922.6 MB in the beginning and 1.1 GB in the end (delta: -199.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.10 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. * RCFGBuilder took 1132.10 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: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 35698.37 ms. Allocated memory was 1.2 GB in the beginning and 4.2 GB in the end (delta: 3.0 GB). Free memory was 1.0 GB in the beginning and 3.5 GB in the end (delta: -2.5 GB). Peak memory consumption was 533.6 MB. Max. memory is 11.5 GB. * Witness Printer took 98.14 ms. Allocated memory is still 4.2 GB. Free memory is still 3.5 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((((((a1 <= 23 && !(4 == a10)) || !(14 == a4)) || !(23 == \old(a1))) || (!(a19 == 6) && !(4 == a10))) || (a1 + 333899 <= 0 && a19 <= 8)) || (!(a19 == 6) && a19 <= 8)) || a19 == 9) || !(0 == a12)) || !(9 == \old(a19))) || !(0 == \old(a10))) || 3 == a10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 35.6s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 30.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 876 SDtfs, 3793 SDslu, 880 SDs, 0 SdLazy, 8632 SolverSat, 1461 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.2s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1773 GetRequests, 1705 SyntacticMatches, 6 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2700occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.9s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9973245797289201 AbsIntWeakeningRatio, 0.10097087378640776 AbsIntAvgWeakeningVarsNumRemoved, 14.466019417475728 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 290 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 160 PreInvPairs, 314 NumberOfFragments, 377 HoareAnnotationTreeSize, 160 FomulaSimplifications, 4661 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2817 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2430 NumberOfCodeBlocks, 2430 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 3012 ConstructedInterpolants, 0 QuantifiedInterpolants, 2257476 SizeOfPredicates, 1 NumberOfNonLiveVariables, 985 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 2128/2256 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...