./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/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 ec64944e15cde20ad15af2bd0f0e78efc8184588 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 06:48:57,000 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:48:57,001 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:48:57,007 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:48:57,007 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:48:57,007 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:48:57,008 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:48:57,009 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:48:57,010 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:48:57,010 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:48:57,010 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:48:57,011 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:48:57,011 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:48:57,011 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:48:57,012 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:48:57,012 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:48:57,013 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:48:57,014 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:48:57,014 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:48:57,015 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:48:57,016 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:48:57,016 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:48:57,017 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:48:57,018 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:48:57,018 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:48:57,018 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:48:57,019 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:48:57,019 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:48:57,020 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:48:57,020 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:48:57,020 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:48:57,021 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:48:57,021 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:48:57,021 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:48:57,021 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:48:57,021 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:48:57,022 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 06:48:57,029 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:48:57,029 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:48:57,029 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:48:57,029 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:48:57,029 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 06:48:57,030 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 06:48:57,030 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 06:48:57,030 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 06:48:57,030 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 06:48:57,030 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 06:48:57,030 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 06:48:57,030 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 06:48:57,030 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 06:48:57,031 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:48:57,031 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:48:57,031 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:48:57,031 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:48:57,031 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:48:57,031 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:48:57,031 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:48:57,031 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:48:57,031 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:48:57,031 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:48:57,031 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:48:57,032 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:48:57,032 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:48:57,032 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:48:57,032 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:48:57,032 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:48:57,032 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:48:57,032 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:48:57,032 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:48:57,032 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 06:48:57,032 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:48:57,032 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 06:48:57,033 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 06:48:57,033 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_ff2286d3-a252-4ec8-8659-cfba561c5a0f/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 -> ec64944e15cde20ad15af2bd0f0e78efc8184588 [2018-12-02 06:48:57,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:48:57,057 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:48:57,060 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:48:57,061 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:48:57,061 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:48:57,062 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-12-02 06:48:57,103 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/bin-2019/utaipan/data/9a4ecb3c4/e9aa955a07cd47e3a3def0e6e46fef7e/FLAG3dbf09b42 [2018-12-02 06:48:57,533 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:48:57,533 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-12-02 06:48:57,539 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/bin-2019/utaipan/data/9a4ecb3c4/e9aa955a07cd47e3a3def0e6e46fef7e/FLAG3dbf09b42 [2018-12-02 06:48:57,548 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/bin-2019/utaipan/data/9a4ecb3c4/e9aa955a07cd47e3a3def0e6e46fef7e [2018-12-02 06:48:57,549 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:48:57,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:48:57,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:48:57,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:48:57,553 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:48:57,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:48:57" (1/1) ... [2018-12-02 06:48:57,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1782ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:57, skipping insertion in model container [2018-12-02 06:48:57,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:48:57" (1/1) ... [2018-12-02 06:48:57,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:48:57,581 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:48:57,750 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:48:57,753 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:48:57,836 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:48:57,845 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:48:57,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:57 WrapperNode [2018-12-02 06:48:57,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:48:57,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:48:57,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:48:57,846 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:48:57,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:57" (1/1) ... [2018-12-02 06:48:57,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:57" (1/1) ... [2018-12-02 06:48:57,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:48:57,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:48:57,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:48:57,865 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:48:57,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:57" (1/1) ... [2018-12-02 06:48:57,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:57" (1/1) ... [2018-12-02 06:48:57,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:57" (1/1) ... [2018-12-02 06:48:57,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:57" (1/1) ... [2018-12-02 06:48:57,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:57" (1/1) ... [2018-12-02 06:48:57,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:57" (1/1) ... [2018-12-02 06:48:57,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:57" (1/1) ... [2018-12-02 06:48:57,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:48:57,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:48:57,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:48:57,904 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:48:57,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:48:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 06:48:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 06:48:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 06:48:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 06:48:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:48:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:48:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 06:48:57,945 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 06:48:58,534 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:48:58,535 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 06:48:58,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:48:58 BoogieIcfgContainer [2018-12-02 06:48:58,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:48:58,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:48:58,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:48:58,538 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:48:58,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:48:57" (1/3) ... [2018-12-02 06:48:58,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca6ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:48:58, skipping insertion in model container [2018-12-02 06:48:58,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:57" (2/3) ... [2018-12-02 06:48:58,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca6ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:48:58, skipping insertion in model container [2018-12-02 06:48:58,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:48:58" (3/3) ... [2018-12-02 06:48:58,540 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label26_true-unreach-call_false-termination.c [2018-12-02 06:48:58,546 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:48:58,551 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 06:48:58,560 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 06:48:58,580 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:48:58,580 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 06:48:58,580 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:48:58,580 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:48:58,580 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:48:58,580 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:48:58,580 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:48:58,581 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:48:58,594 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-02 06:48:58,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 06:48:58,601 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:48:58,601 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:48:58,603 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:48:58,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:48:58,606 INFO L82 PathProgramCache]: Analyzing trace with hash 2085668238, now seen corresponding path program 1 times [2018-12-02 06:48:58,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:48:58,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:48:58,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:48:58,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:48:58,637 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:48:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:48:58,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:48:58,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:48:58,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:48:58,879 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:48:58,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:48:58,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:48:58,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:48:58,893 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-02 06:48:59,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:48:59,337 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-12-02 06:48:59,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:48:59,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2018-12-02 06:48:59,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:48:59,349 INFO L225 Difference]: With dead ends: 615 [2018-12-02 06:48:59,349 INFO L226 Difference]: Without dead ends: 317 [2018-12-02 06:48:59,352 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:48:59,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-12-02 06:48:59,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-12-02 06:48:59,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-12-02 06:48:59,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2018-12-02 06:48:59,394 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 142 [2018-12-02 06:48:59,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:48:59,395 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2018-12-02 06:48:59,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:48:59,395 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2018-12-02 06:48:59,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 06:48:59,399 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:48:59,399 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:48:59,400 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:48:59,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:48:59,400 INFO L82 PathProgramCache]: Analyzing trace with hash -2119639181, now seen corresponding path program 1 times [2018-12-02 06:48:59,400 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:48:59,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:48:59,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:48:59,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:48:59,402 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:48:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:48:59,518 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:48:59,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:48:59,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 06:48:59,519 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:48:59,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:48:59,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:48:59,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:48:59,520 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 6 states. [2018-12-02 06:48:59,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:48:59,982 INFO L93 Difference]: Finished difference Result 962 states and 1500 transitions. [2018-12-02 06:48:59,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 06:48:59,982 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2018-12-02 06:48:59,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:48:59,986 INFO L225 Difference]: With dead ends: 962 [2018-12-02 06:48:59,986 INFO L226 Difference]: Without dead ends: 651 [2018-12-02 06:48:59,988 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 06:48:59,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2018-12-02 06:49:00,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 625. [2018-12-02 06:49:00,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-12-02 06:49:00,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 924 transitions. [2018-12-02 06:49:00,013 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 924 transitions. Word has length 157 [2018-12-02 06:49:00,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:49:00,013 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 924 transitions. [2018-12-02 06:49:00,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:49:00,014 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 924 transitions. [2018-12-02 06:49:00,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-02 06:49:00,015 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:49:00,015 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:49:00,016 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:49:00,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:00,016 INFO L82 PathProgramCache]: Analyzing trace with hash 105434168, now seen corresponding path program 1 times [2018-12-02 06:49:00,016 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:49:00,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:00,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:00,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:00,017 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:49:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:00,095 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 06:49:00,095 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:00,095 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:49:00,096 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 166 with the following transitions: [2018-12-02 06:49:00,098 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:49:00,131 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:49:00,131 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:49:00,480 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:49:00,481 INFO L272 AbstractInterpreter]: Visited 143 different actions 143 times. Never merged. Never widened. Performed 1556 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1556 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-02 06:49:00,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:00,486 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:49:00,699 INFO L227 lantSequenceWeakener]: Weakened 156 states. On average, predicates are now at 81.34% of their original sizes. [2018-12-02 06:49:00,699 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:49:00,732 INFO L418 sIntCurrentIteration]: We unified 164 AI predicates to 164 [2018-12-02 06:49:00,732 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:49:00,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:49:00,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-02 06:49:00,733 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:49:00,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:49:00,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:49:00,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:49:00,735 INFO L87 Difference]: Start difference. First operand 625 states and 924 transitions. Second operand 6 states. [2018-12-02 06:49:01,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:49:01,811 INFO L93 Difference]: Finished difference Result 1392 states and 2056 transitions. [2018-12-02 06:49:01,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 06:49:01,811 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2018-12-02 06:49:01,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:49:01,814 INFO L225 Difference]: With dead ends: 1392 [2018-12-02 06:49:01,814 INFO L226 Difference]: Without dead ends: 773 [2018-12-02 06:49:01,815 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 165 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:49:01,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-12-02 06:49:01,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 771. [2018-12-02 06:49:01,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-02 06:49:01,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1077 transitions. [2018-12-02 06:49:01,832 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1077 transitions. Word has length 165 [2018-12-02 06:49:01,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:49:01,832 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 1077 transitions. [2018-12-02 06:49:01,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:49:01,832 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1077 transitions. [2018-12-02 06:49:01,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 06:49:01,834 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:49:01,834 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:49:01,834 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:49:01,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:01,835 INFO L82 PathProgramCache]: Analyzing trace with hash 810484199, now seen corresponding path program 1 times [2018-12-02 06:49:01,835 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:49:01,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:01,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:01,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:01,835 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:49:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:01,937 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 06:49:01,937 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:01,937 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:49:01,937 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-12-02 06:49:01,938 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:49:01,940 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:49:01,940 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:49:02,261 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:49:02,261 INFO L272 AbstractInterpreter]: Visited 147 different actions 438 times. Merged at 6 different actions 17 times. Never widened. Performed 4893 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4893 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-02 06:49:02,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:02,263 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:49:02,401 INFO L227 lantSequenceWeakener]: Weakened 171 states. On average, predicates are now at 84.9% of their original sizes. [2018-12-02 06:49:02,402 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:49:02,443 INFO L418 sIntCurrentIteration]: We unified 173 AI predicates to 173 [2018-12-02 06:49:02,444 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:49:02,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:49:02,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-02 06:49:02,444 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:49:02,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 06:49:02,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 06:49:02,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 06:49:02,444 INFO L87 Difference]: Start difference. First operand 771 states and 1077 transitions. Second operand 9 states. [2018-12-02 06:49:04,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:49:04,492 INFO L93 Difference]: Finished difference Result 1858 states and 2647 transitions. [2018-12-02 06:49:04,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 06:49:04,492 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 174 [2018-12-02 06:49:04,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:49:04,494 INFO L225 Difference]: With dead ends: 1858 [2018-12-02 06:49:04,494 INFO L226 Difference]: Without dead ends: 1093 [2018-12-02 06:49:04,495 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 181 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-02 06:49:04,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2018-12-02 06:49:04,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1075. [2018-12-02 06:49:04,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2018-12-02 06:49:04,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1471 transitions. [2018-12-02 06:49:04,516 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1471 transitions. Word has length 174 [2018-12-02 06:49:04,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:49:04,516 INFO L480 AbstractCegarLoop]: Abstraction has 1075 states and 1471 transitions. [2018-12-02 06:49:04,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 06:49:04,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1471 transitions. [2018-12-02 06:49:04,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-02 06:49:04,519 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:49:04,519 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:49:04,519 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:49:04,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:04,519 INFO L82 PathProgramCache]: Analyzing trace with hash 612982551, now seen corresponding path program 1 times [2018-12-02 06:49:04,519 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:49:04,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:04,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:04,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:04,520 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:49:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:04,605 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:49:04,605 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:04,605 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:49:04,605 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-12-02 06:49:04,606 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:49:04,608 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:49:04,608 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:49:04,716 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:49:04,717 INFO L272 AbstractInterpreter]: Visited 146 different actions 286 times. Merged at 4 different actions 4 times. Never widened. Performed 3095 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3095 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-02 06:49:04,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:04,718 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:49:04,829 INFO L227 lantSequenceWeakener]: Weakened 170 states. On average, predicates are now at 81.3% of their original sizes. [2018-12-02 06:49:04,830 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:49:04,871 INFO L418 sIntCurrentIteration]: We unified 172 AI predicates to 172 [2018-12-02 06:49:04,872 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:49:04,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:49:04,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 06:49:04,872 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:49:04,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 06:49:04,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 06:49:04,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:49:04,872 INFO L87 Difference]: Start difference. First operand 1075 states and 1471 transitions. Second operand 10 states. [2018-12-02 06:49:07,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:49:07,033 INFO L93 Difference]: Finished difference Result 2440 states and 3327 transitions. [2018-12-02 06:49:07,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 06:49:07,033 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2018-12-02 06:49:07,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:49:07,035 INFO L225 Difference]: With dead ends: 2440 [2018-12-02 06:49:07,035 INFO L226 Difference]: Without dead ends: 1371 [2018-12-02 06:49:07,037 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 182 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 06:49:07,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2018-12-02 06:49:07,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1368. [2018-12-02 06:49:07,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1368 states. [2018-12-02 06:49:07,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 1811 transitions. [2018-12-02 06:49:07,054 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 1811 transitions. Word has length 173 [2018-12-02 06:49:07,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:49:07,054 INFO L480 AbstractCegarLoop]: Abstraction has 1368 states and 1811 transitions. [2018-12-02 06:49:07,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 06:49:07,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1811 transitions. [2018-12-02 06:49:07,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 06:49:07,056 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:49:07,056 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:49:07,057 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:49:07,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:07,057 INFO L82 PathProgramCache]: Analyzing trace with hash -393389681, now seen corresponding path program 1 times [2018-12-02 06:49:07,057 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:49:07,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:07,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:07,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:07,058 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:49:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:07,148 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:49:07,148 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:07,148 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:49:07,148 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 178 with the following transitions: [2018-12-02 06:49:07,149 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:49:07,151 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:49:07,151 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:49:07,367 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:49:07,367 INFO L272 AbstractInterpreter]: Visited 147 different actions 434 times. Merged at 6 different actions 15 times. Never widened. Performed 5103 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5103 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-02 06:49:07,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:07,371 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:49:07,371 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:07,371 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:49:07,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:07,378 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:49:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:07,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:49:07,477 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:49:07,477 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:49:07,525 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:49:07,549 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:49:07,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 8 [2018-12-02 06:49:07,549 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:49:07,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:49:07,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:49:07,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:49:07,550 INFO L87 Difference]: Start difference. First operand 1368 states and 1811 transitions. Second operand 3 states. [2018-12-02 06:49:07,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:49:07,849 INFO L93 Difference]: Finished difference Result 3325 states and 4564 transitions. [2018-12-02 06:49:07,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:49:07,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2018-12-02 06:49:07,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:49:07,855 INFO L225 Difference]: With dead ends: 3325 [2018-12-02 06:49:07,856 INFO L226 Difference]: Without dead ends: 1963 [2018-12-02 06:49:07,858 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 356 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:49:07,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1963 states. [2018-12-02 06:49:07,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1963 to 1961. [2018-12-02 06:49:07,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1961 states. [2018-12-02 06:49:07,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1961 states and 2545 transitions. [2018-12-02 06:49:07,896 INFO L78 Accepts]: Start accepts. Automaton has 1961 states and 2545 transitions. Word has length 177 [2018-12-02 06:49:07,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:49:07,896 INFO L480 AbstractCegarLoop]: Abstraction has 1961 states and 2545 transitions. [2018-12-02 06:49:07,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:49:07,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2545 transitions. [2018-12-02 06:49:07,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 06:49:07,901 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:49:07,902 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:49:07,902 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:49:07,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:07,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1471902149, now seen corresponding path program 1 times [2018-12-02 06:49:07,902 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:49:07,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:07,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:07,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:07,903 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:49:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:07,968 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:49:07,969 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:07,969 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:49:07,969 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-12-02 06:49:07,969 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:49:07,971 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:49:07,971 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:49:08,134 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:49:08,134 INFO L272 AbstractInterpreter]: Visited 147 different actions 434 times. Merged at 6 different actions 15 times. Never widened. Performed 5018 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5018 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-02 06:49:08,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:08,138 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:49:08,138 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:08,138 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:49:08,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:08,144 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:49:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:08,181 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:49:08,202 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:49:08,202 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:49:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:49:08,251 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:49:08,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-12-02 06:49:08,251 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:49:08,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:49:08,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:49:08,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:49:08,252 INFO L87 Difference]: Start difference. First operand 1961 states and 2545 transitions. Second operand 3 states. [2018-12-02 06:49:08,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:49:08,629 INFO L93 Difference]: Finished difference Result 4798 states and 6408 transitions. [2018-12-02 06:49:08,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:49:08,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2018-12-02 06:49:08,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:49:08,636 INFO L225 Difference]: With dead ends: 4798 [2018-12-02 06:49:08,636 INFO L226 Difference]: Without dead ends: 2843 [2018-12-02 06:49:08,639 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:49:08,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2843 states. [2018-12-02 06:49:08,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2843 to 2841. [2018-12-02 06:49:08,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2841 states. [2018-12-02 06:49:08,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2841 states and 3560 transitions. [2018-12-02 06:49:08,669 INFO L78 Accepts]: Start accepts. Automaton has 2841 states and 3560 transitions. Word has length 190 [2018-12-02 06:49:08,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:49:08,669 INFO L480 AbstractCegarLoop]: Abstraction has 2841 states and 3560 transitions. [2018-12-02 06:49:08,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:49:08,669 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 3560 transitions. [2018-12-02 06:49:08,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-02 06:49:08,672 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:49:08,672 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:49:08,672 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:49:08,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:08,673 INFO L82 PathProgramCache]: Analyzing trace with hash -163641562, now seen corresponding path program 1 times [2018-12-02 06:49:08,673 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:49:08,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:08,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:08,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:08,673 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:49:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:08,719 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 69 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 06:49:08,720 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:08,720 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:49:08,720 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 206 with the following transitions: [2018-12-02 06:49:08,720 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:49:08,721 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:49:08,722 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:49:08,897 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:49:08,897 INFO L272 AbstractInterpreter]: Visited 148 different actions 439 times. Merged at 7 different actions 17 times. Never widened. Performed 5050 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5050 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-02 06:49:08,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:08,902 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:49:08,902 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:08,903 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:49:08,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:08,909 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:49:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:08,957 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:49:08,994 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:49:08,994 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:49:09,048 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 06:49:09,072 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:49:09,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 06:49:09,073 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:49:09,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 06:49:09,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 06:49:09,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-12-02 06:49:09,073 INFO L87 Difference]: Start difference. First operand 2841 states and 3560 transitions. Second operand 9 states. [2018-12-02 06:49:10,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:49:10,617 INFO L93 Difference]: Finished difference Result 8246 states and 10799 transitions. [2018-12-02 06:49:10,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-12-02 06:49:10,618 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 205 [2018-12-02 06:49:10,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:49:10,627 INFO L225 Difference]: With dead ends: 8246 [2018-12-02 06:49:10,627 INFO L226 Difference]: Without dead ends: 4344 [2018-12-02 06:49:10,631 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 424 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=343, Invalid=1063, Unknown=0, NotChecked=0, Total=1406 [2018-12-02 06:49:10,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4344 states. [2018-12-02 06:49:10,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4344 to 3934. [2018-12-02 06:49:10,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3934 states. [2018-12-02 06:49:10,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3934 states to 3934 states and 4543 transitions. [2018-12-02 06:49:10,680 INFO L78 Accepts]: Start accepts. Automaton has 3934 states and 4543 transitions. Word has length 205 [2018-12-02 06:49:10,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:49:10,680 INFO L480 AbstractCegarLoop]: Abstraction has 3934 states and 4543 transitions. [2018-12-02 06:49:10,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 06:49:10,680 INFO L276 IsEmpty]: Start isEmpty. Operand 3934 states and 4543 transitions. [2018-12-02 06:49:10,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-02 06:49:10,684 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:49:10,684 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:49:10,684 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:49:10,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:10,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1038506424, now seen corresponding path program 1 times [2018-12-02 06:49:10,685 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:49:10,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:10,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:10,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:10,686 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:49:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:10,768 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 113 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 06:49:10,769 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:10,769 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:49:10,769 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 262 with the following transitions: [2018-12-02 06:49:10,769 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:49:10,771 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:49:10,771 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:49:11,006 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:49:11,006 INFO L272 AbstractInterpreter]: Visited 150 different actions 586 times. Merged at 7 different actions 23 times. Never widened. Performed 6853 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6853 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-02 06:49:11,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:11,008 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:49:11,008 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:11,008 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:49:11,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:11,013 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:49:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:11,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:49:11,100 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 102 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 06:49:11,100 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:49:11,172 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 123 proven. 36 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 06:49:11,186 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:49:11,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2018-12-02 06:49:11,186 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:49:11,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-02 06:49:11,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-02 06:49:11,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-12-02 06:49:11,187 INFO L87 Difference]: Start difference. First operand 3934 states and 4543 transitions. Second operand 13 states. [2018-12-02 06:49:12,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:49:12,095 INFO L93 Difference]: Finished difference Result 9397 states and 11379 transitions. [2018-12-02 06:49:12,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-02 06:49:12,096 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 261 [2018-12-02 06:49:12,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:49:12,109 INFO L225 Difference]: With dead ends: 9397 [2018-12-02 06:49:12,110 INFO L226 Difference]: Without dead ends: 5473 [2018-12-02 06:49:12,114 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 535 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=357, Invalid=903, Unknown=0, NotChecked=0, Total=1260 [2018-12-02 06:49:12,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5473 states. [2018-12-02 06:49:12,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5473 to 5399. [2018-12-02 06:49:12,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5399 states. [2018-12-02 06:49:12,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 6308 transitions. [2018-12-02 06:49:12,212 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 6308 transitions. Word has length 261 [2018-12-02 06:49:12,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:49:12,212 INFO L480 AbstractCegarLoop]: Abstraction has 5399 states and 6308 transitions. [2018-12-02 06:49:12,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-02 06:49:12,212 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 6308 transitions. [2018-12-02 06:49:12,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-02 06:49:12,217 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:49:12,217 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-12-02 06:49:12,217 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:49:12,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:12,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1846381312, now seen corresponding path program 1 times [2018-12-02 06:49:12,217 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:49:12,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:12,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:12,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:12,218 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:49:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:12,511 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 169 proven. 76 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 06:49:12,511 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:12,511 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:49:12,512 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 292 with the following transitions: [2018-12-02 06:49:12,512 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [67], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [163], [166], [170], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:49:12,514 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:49:12,514 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:49:12,628 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:49:12,628 INFO L272 AbstractInterpreter]: Visited 149 different actions 296 times. Merged at 6 different actions 9 times. Never widened. Performed 3274 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3274 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-02 06:49:12,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:12,629 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:49:12,791 INFO L227 lantSequenceWeakener]: Weakened 285 states. On average, predicates are now at 82.78% of their original sizes. [2018-12-02 06:49:12,791 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:49:12,822 INFO L418 sIntCurrentIteration]: We unified 290 AI predicates to 290 [2018-12-02 06:49:12,823 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:49:12,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:49:12,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 23 [2018-12-02 06:49:12,823 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:49:12,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 06:49:12,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 06:49:12,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:49:12,824 INFO L87 Difference]: Start difference. First operand 5399 states and 6308 transitions. Second operand 10 states. [2018-12-02 06:49:15,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:49:15,058 INFO L93 Difference]: Finished difference Result 11135 states and 13084 transitions. [2018-12-02 06:49:15,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 06:49:15,058 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 291 [2018-12-02 06:49:15,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:49:15,068 INFO L225 Difference]: With dead ends: 11135 [2018-12-02 06:49:15,068 INFO L226 Difference]: Without dead ends: 7073 [2018-12-02 06:49:15,072 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 296 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2018-12-02 06:49:15,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7073 states. [2018-12-02 06:49:15,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7073 to 7040. [2018-12-02 06:49:15,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7040 states. [2018-12-02 06:49:15,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7040 states to 7040 states and 8166 transitions. [2018-12-02 06:49:15,142 INFO L78 Accepts]: Start accepts. Automaton has 7040 states and 8166 transitions. Word has length 291 [2018-12-02 06:49:15,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:49:15,143 INFO L480 AbstractCegarLoop]: Abstraction has 7040 states and 8166 transitions. [2018-12-02 06:49:15,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 06:49:15,143 INFO L276 IsEmpty]: Start isEmpty. Operand 7040 states and 8166 transitions. [2018-12-02 06:49:15,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-12-02 06:49:15,149 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:49:15,149 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:49:15,149 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:49:15,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:15,149 INFO L82 PathProgramCache]: Analyzing trace with hash -789514691, now seen corresponding path program 1 times [2018-12-02 06:49:15,150 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:49:15,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:15,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:15,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:15,150 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:49:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:15,235 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 171 proven. 84 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 06:49:15,235 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:15,235 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:49:15,235 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 295 with the following transitions: [2018-12-02 06:49:15,235 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [67], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:49:15,237 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:49:15,237 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:49:15,521 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:49:15,521 INFO L272 AbstractInterpreter]: Visited 154 different actions 613 times. Merged at 9 different actions 38 times. Widened at 1 different actions 1 times. Performed 7167 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7167 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-02 06:49:15,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:15,526 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:49:15,526 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:15,527 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:49:15,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:15,535 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:49:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:15,582 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:49:15,621 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-02 06:49:15,621 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:49:15,689 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 183 proven. 45 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-02 06:49:15,704 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:49:15,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-12-02 06:49:15,704 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:49:15,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 06:49:15,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 06:49:15,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-12-02 06:49:15,705 INFO L87 Difference]: Start difference. First operand 7040 states and 8166 transitions. Second operand 11 states. [2018-12-02 06:49:16,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:49:16,304 INFO L93 Difference]: Finished difference Result 12461 states and 14662 transitions. [2018-12-02 06:49:16,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 06:49:16,305 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 294 [2018-12-02 06:49:16,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:49:16,314 INFO L225 Difference]: With dead ends: 12461 [2018-12-02 06:49:16,314 INFO L226 Difference]: Without dead ends: 6013 [2018-12-02 06:49:16,319 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 610 GetRequests, 590 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2018-12-02 06:49:16,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6013 states. [2018-12-02 06:49:16,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6013 to 5715. [2018-12-02 06:49:16,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5715 states. [2018-12-02 06:49:16,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5715 states to 5715 states and 6350 transitions. [2018-12-02 06:49:16,372 INFO L78 Accepts]: Start accepts. Automaton has 5715 states and 6350 transitions. Word has length 294 [2018-12-02 06:49:16,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:49:16,372 INFO L480 AbstractCegarLoop]: Abstraction has 5715 states and 6350 transitions. [2018-12-02 06:49:16,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 06:49:16,372 INFO L276 IsEmpty]: Start isEmpty. Operand 5715 states and 6350 transitions. [2018-12-02 06:49:16,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-02 06:49:16,377 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:49:16,377 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:49:16,377 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:49:16,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:16,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1557581639, now seen corresponding path program 1 times [2018-12-02 06:49:16,377 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:49:16,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:16,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:16,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:49:16,378 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:49:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:16,519 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 247 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:49:16,520 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:16,520 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:49:16,520 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 306 with the following transitions: [2018-12-02 06:49:16,520 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [236], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:49:16,521 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:49:16,521 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:49:16,794 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:49:16,794 INFO L272 AbstractInterpreter]: Visited 150 different actions 588 times. Merged at 7 different actions 25 times. Never widened. Performed 6885 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6885 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-02 06:49:16,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:49:16,795 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:49:16,795 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:49:16,795 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:49:16,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:49:16,801 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:49:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:49:16,845 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:49:16,882 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-12-02 06:49:16,882 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:49:16,922 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-12-02 06:49:16,937 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:49:16,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10] total 11 [2018-12-02 06:49:16,937 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:49:16,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:49:16,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:49:16,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-02 06:49:16,938 INFO L87 Difference]: Start difference. First operand 5715 states and 6350 transitions. Second operand 3 states. [2018-12-02 06:49:17,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:49:17,123 INFO L93 Difference]: Finished difference Result 6613 states and 7292 transitions. [2018-12-02 06:49:17,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:49:17,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2018-12-02 06:49:17,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:49:17,124 INFO L225 Difference]: With dead ends: 6613 [2018-12-02 06:49:17,124 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 06:49:17,131 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 619 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-02 06:49:17,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 06:49:17,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 06:49:17,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 06:49:17,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 06:49:17,132 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 305 [2018-12-02 06:49:17,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:49:17,132 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 06:49:17,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:49:17,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 06:49:17,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 06:49:17,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 06:49:17,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:17,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:49:18,141 WARN L180 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 81 [2018-12-02 06:49:18,429 WARN L180 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 69 [2018-12-02 06:49:18,768 WARN L180 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2018-12-02 06:49:18,770 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:49:18,770 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-12-02 06:49:18,770 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:49:18,770 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,770 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,770 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,770 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,770 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,770 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-02 06:49:18,770 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-02 06:49:18,770 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-02 06:49:18,770 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-02 06:49:18,770 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-02 06:49:18,770 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-02 06:49:18,771 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,772 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-02 06:49:18,773 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-02 06:49:18,774 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-02 06:49:18,775 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,776 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse8 (not (= 1 ~a21~0))) (.cse12 (not (= 1 |old(~a19~0)|))) (.cse13 (= 0 |old(~a28~0)|)) (.cse14 (not (= 8 |old(~a17~0)|))) (.cse11 (= |calculate_output_#in~input| 0)) (.cse31 (= ~a11~0 0)) (.cse28 (= |old(~a17~0)| ~a17~0)) (.cse21 (= ~a17~0 8)) (.cse22 (= ~a19~0 1)) (.cse29 (= ~a28~0 |old(~a28~0)|)) (.cse30 (= ~a11~0 1)) (.cse2 (<= ~a17~0 |old(~a17~0)|)) (.cse3 (= |old(~a19~0)| ~a19~0)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse6 (= ~a25~0 |old(~a25~0)|))) (let ((.cse15 (and .cse2 .cse3 .cse5 .cse6)) (.cse4 (<= ~a28~0 7)) (.cse19 (and .cse21 .cse22 .cse29 .cse30 .cse6)) (.cse26 (= 10 |old(~a28~0)|)) (.cse7 (< 7 |old(~a17~0)|)) (.cse0 (< 7 |old(~a28~0)|)) (.cse23 (and .cse28 .cse3 .cse29 .cse30 .cse6)) (.cse24 (< 8 |old(~a17~0)|)) (.cse20 (not (= 1 |old(~a11~0)|))) (.cse1 (not (= 1 |old(~a25~0)|))) (.cse27 (and .cse3 .cse31 .cse21 .cse29 .cse6)) (.cse16 (< 0 |old(~a19~0)|)) (.cse17 (< 10 |old(~a28~0)|)) (.cse25 (or .cse8 .cse12 .cse13 .cse14 .cse11)) (.cse10 (and .cse31 .cse21 .cse22 .cse29 .cse6)) (.cse18 (= 8 |old(~a28~0)|)) (.cse9 (not (= 0 |old(~a11~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse8 .cse1 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (or .cse1 (= |old(~a11~0)| |old(~a19~0)|) .cse7 .cse15) (or .cse15 .cse16 .cse7) (or (or .cse17 .cse8 .cse1 .cse12 .cse18 .cse14 .cse11) .cse19 .cse20) (or .cse8 .cse0 .cse1 .cse12 .cse13 .cse14 .cse11 (and .cse4 .cse5 (not (= ~a28~0 0)) .cse21 .cse22 .cse6)) (or .cse0 .cse1 .cse23 .cse24 .cse20) (or .cse17 .cse25 .cse26 .cse18 .cse19 .cse20) (or .cse17 .cse8 .cse27 .cse26 .cse9 .cse14 .cse16) (or .cse17 (and .cse3 .cse28 .cse29 .cse30 .cse6) .cse18 .cse20 .cse7) (or .cse0 .cse23 .cse16 .cse24 .cse20) (or .cse17 .cse8 .cse1 .cse9 .cse27 .cse14 .cse16) (or .cse17 .cse25 .cse10 .cse18 .cse9)))) [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,777 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-02 06:49:18,778 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-02 06:49:18,779 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-02 06:49:18,779 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-02 06:49:18,779 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-02 06:49:18,779 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-02 06:49:18,779 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-02 06:49:18,779 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-02 06:49:18,779 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-02 06:49:18,779 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-02 06:49:18,779 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-02 06:49:18,779 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2018-12-02 06:49:18,779 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-02 06:49:18,779 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-02 06:49:18,779 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-02 06:49:18,779 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-02 06:49:18,779 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-02 06:49:18,779 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:49:18,779 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-02 06:49:18,779 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 06:49:18,779 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:49:18,779 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-02 06:49:18,780 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (not (= ~a28~0 0))) (.cse4 (= ~a17~0 8)) (.cse6 (= ~a19~0 1)) (.cse10 (not (= ~a28~0 8)))) (let ((.cse8 (not (= ~a28~0 10))) (.cse1 (<= ~a19~0 0)) (.cse9 (<= ~a17~0 7)) (.cse14 (not (= ~a19~0 ~a11~0))) (.cse12 (and (and (not (= 1 |old(~a25~0)|)) .cse5 .cse4 .cse6 (= ~a21~0 1)) .cse10 (<= |old(~a28~0)| 8))) (.cse0 (= ~a11~0 0)) (.cse3 (<= ~a28~0 10)) (.cse13 (<= ~a28~0 7)) (.cse2 (= 1 ~a25~0)) (.cse7 (<= ~a17~0 8)) (.cse11 (= ~a11~0 1))) (or (not (= 1 ~a21~0)) (and .cse0 (and .cse1 .cse2) .cse3 .cse4) (and .cse2 .cse0 .cse5 .cse6 .cse7) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 .cse3 .cse4 .cse8) (and .cse9 .cse3 .cse10 .cse11) (and .cse12 .cse3 .cse11 .cse8) (and .cse13 .cse5 .cse2 .cse4 .cse6) (and (and .cse2 .cse10 .cse3 .cse6 .cse7) .cse11) (and .cse9 .cse13 .cse2) (and .cse9 .cse1 .cse14) (and .cse1 .cse13 .cse7 .cse11) (not (= 0 |old(~a25~0)|)) (and .cse9 .cse2 .cse14) (and (and .cse12 .cse0) .cse3) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse13 .cse2 .cse7 .cse11)))) [2018-12-02 06:49:18,780 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-02 06:49:18,780 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-02 06:49:18,780 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (not (= ~a28~0 10))) (.cse1 (<= ~a19~0 0)) (.cse12 (<= ~a17~0 7)) (.cse14 (not (= ~a19~0 ~a11~0))) (.cse5 (not (= main_~input~0 0))) (.cse6 (not (= ~a28~0 8))) (.cse3 (<= ~a28~0 10)) (.cse0 (= ~a11~0 0)) (.cse8 (not (= ~a28~0 0))) (.cse4 (= ~a17~0 8)) (.cse9 (= ~a19~0 1)) (.cse13 (<= ~a28~0 7)) (.cse2 (= 1 ~a25~0)) (.cse10 (<= ~a17~0 8)) (.cse11 (= ~a11~0 1))) (or (not (= 1 ~a21~0)) (and .cse0 (and .cse1 .cse2) .cse3 .cse4) (not (= 7 |old(~a28~0)|)) (and .cse5 .cse6 .cse3 .cse7 .cse8 .cse9 .cse10 .cse11) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 .cse3 .cse4 .cse7) (and .cse12 .cse3 .cse6 .cse11) (and .cse5 .cse13 .cse8 .cse2 .cse4 .cse9) (and .cse5 .cse2 .cse0 .cse8 .cse9 .cse10) (and .cse12 .cse13 .cse2) (and .cse12 .cse1 .cse14) (and .cse1 .cse13 .cse10 .cse11) (not (= 0 |old(~a25~0)|)) (and .cse12 .cse2 .cse14) (and (and .cse5 .cse6 .cse2 .cse4 .cse9) .cse3 .cse11) (and .cse5 .cse6 .cse3 .cse0 .cse8 .cse4 .cse9) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse13 .cse2 .cse10 .cse11))) [2018-12-02 06:49:18,780 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-02 06:49:18,780 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-02 06:49:18,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:49:18 BoogieIcfgContainer [2018-12-02 06:49:18,788 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 06:49:18,788 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 06:49:18,788 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 06:49:18,788 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 06:49:18,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:48:58" (3/4) ... [2018-12-02 06:49:18,791 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 06:49:18,795 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 06:49:18,795 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 06:49:18,795 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 06:49:18,801 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 06:49:18,801 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 06:49:18,819 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((!(1 == a21) || (((a11 == 0 && a19 <= 0 && 1 == a25) && a28 <= 10) && a17 == 8)) || ((((1 == a25 && a11 == 0) && !(a28 == 0)) && a19 == 1) && a17 <= 8)) || !(7 == \old(a28))) || !(0 == \old(a11))) || ((((a11 == 0 && a19 <= 0) && a28 <= 10) && a17 == 8) && !(a28 == 10))) || (((a17 <= 7 && a28 <= 10) && !(a28 == 8)) && a11 == 1)) || (((((((((!(1 == \old(a25)) && !(a28 == 0)) && a17 == 8) && a19 == 1) && a21 == 1) && !(a28 == 8)) && \old(a28) <= 8) && a28 <= 10) && a11 == 1) && !(a28 == 10))) || ((((a28 <= 7 && !(a28 == 0)) && 1 == a25) && a17 == 8) && a19 == 1)) || (((((1 == a25 && !(a28 == 8)) && a28 <= 10) && a19 == 1) && a17 <= 8) && a11 == 1)) || ((a17 <= 7 && a28 <= 7) && 1 == a25)) || ((a17 <= 7 && a19 <= 0) && !(a19 == a11))) || (((a19 <= 0 && a28 <= 7) && a17 <= 8) && a11 == 1)) || !(0 == \old(a25))) || ((a17 <= 7 && 1 == a25) && !(a19 == a11))) || ((((((((!(1 == \old(a25)) && !(a28 == 0)) && a17 == 8) && a19 == 1) && a21 == 1) && !(a28 == 8)) && \old(a28) <= 8) && a11 == 0) && a28 <= 10)) || !(1 == \old(a19))) || !(8 == \old(a17))) || (((a28 <= 7 && 1 == a25) && a17 <= 8) && a11 == 1) [2018-12-02 06:49:18,863 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ff2286d3-a252-4ec8-8659-cfba561c5a0f/bin-2019/utaipan/witness.graphml [2018-12-02 06:49:18,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 06:49:18,864 INFO L168 Benchmark]: Toolchain (without parser) took 21314.21 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 950.6 MB in the beginning and 972.9 MB in the end (delta: -22.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-02 06:49:18,864 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:49:18,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -203.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-12-02 06:49:18,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:49:18,865 INFO L168 Benchmark]: Boogie Preprocessor took 38.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-02 06:49:18,865 INFO L168 Benchmark]: RCFGBuilder took 631.61 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: 101.9 MB). Peak memory consumption was 101.9 MB. Max. memory is 11.5 GB. [2018-12-02 06:49:18,865 INFO L168 Benchmark]: TraceAbstraction took 20252.08 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 968.4 MB). Free memory was 1.0 GB in the beginning and 997.1 MB in the end (delta: 48.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-02 06:49:18,865 INFO L168 Benchmark]: Witness Printer took 75.55 ms. Allocated memory is still 2.2 GB. Free memory was 997.1 MB in the beginning and 972.9 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-12-02 06:49:18,866 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -203.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 631.61 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: 101.9 MB). Peak memory consumption was 101.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20252.08 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 968.4 MB). Free memory was 1.0 GB in the beginning and 997.1 MB in the end (delta: 48.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 75.55 ms. Allocated memory is still 2.2 GB. Free memory was 997.1 MB in the beginning and 972.9 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((!(1 == a21) || (((a11 == 0 && a19 <= 0 && 1 == a25) && a28 <= 10) && a17 == 8)) || ((((1 == a25 && a11 == 0) && !(a28 == 0)) && a19 == 1) && a17 <= 8)) || !(7 == \old(a28))) || !(0 == \old(a11))) || ((((a11 == 0 && a19 <= 0) && a28 <= 10) && a17 == 8) && !(a28 == 10))) || (((a17 <= 7 && a28 <= 10) && !(a28 == 8)) && a11 == 1)) || (((((((((!(1 == \old(a25)) && !(a28 == 0)) && a17 == 8) && a19 == 1) && a21 == 1) && !(a28 == 8)) && \old(a28) <= 8) && a28 <= 10) && a11 == 1) && !(a28 == 10))) || ((((a28 <= 7 && !(a28 == 0)) && 1 == a25) && a17 == 8) && a19 == 1)) || (((((1 == a25 && !(a28 == 8)) && a28 <= 10) && a19 == 1) && a17 <= 8) && a11 == 1)) || ((a17 <= 7 && a28 <= 7) && 1 == a25)) || ((a17 <= 7 && a19 <= 0) && !(a19 == a11))) || (((a19 <= 0 && a28 <= 7) && a17 <= 8) && a11 == 1)) || !(0 == \old(a25))) || ((a17 <= 7 && 1 == a25) && !(a19 == a11))) || ((((((((!(1 == \old(a25)) && !(a28 == 0)) && a17 == 8) && a19 == 1) && a21 == 1) && !(a28 == 8)) && \old(a28) <= 8) && a11 == 0) && a28 <= 10)) || !(1 == \old(a19))) || !(8 == \old(a17))) || (((a28 <= 7 && 1 == a25) && a17 <= 8) && a11 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 20.2s OverallTime, 12 OverallIterations, 6 TraceHistogramMax, 12.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1269 SDtfs, 7079 SDslu, 1090 SDs, 0 SdLazy, 10906 SolverSat, 2013 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 3849 GetRequests, 3670 SyntacticMatches, 11 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7040occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.3s AbstIntTime, 10 AbstIntIterations, 4 AbstIntStrong, 0.997172261392257 AbsIntWeakeningRatio, 0.1964956195244055 AbsIntAvgWeakeningVarsNumRemoved, 26.34918648310388 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 868 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 218 PreInvPairs, 288 NumberOfFragments, 1077 HoareAnnotationTreeSize, 218 FomulaSimplifications, 13139 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4925 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 3966 NumberOfCodeBlocks, 3966 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 5374 ConstructedInterpolants, 0 QuantifiedInterpolants, 3268058 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3233 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 24 InterpolantComputations, 8 PerfectInterpolantSequences, 2844/3234 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...