./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label04_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_b0347e2f-0d4a-4022-9866-9e788f611e3c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b0347e2f-0d4a-4022-9866-9e788f611e3c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b0347e2f-0d4a-4022-9866-9e788f611e3c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b0347e2f-0d4a-4022-9866-9e788f611e3c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label04_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b0347e2f-0d4a-4022-9866-9e788f611e3c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b0347e2f-0d4a-4022-9866-9e788f611e3c/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 3774d82389353be2170e26cc4e53c0d06e3cb94d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 08:20:18,991 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:20:18,992 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:20:18,998 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:20:18,998 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:20:18,999 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:20:19,000 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:20:19,000 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:20:19,001 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:20:19,001 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:20:19,002 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:20:19,002 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:20:19,002 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:20:19,003 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:20:19,003 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:20:19,004 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:20:19,004 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:20:19,005 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:20:19,006 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:20:19,007 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:20:19,007 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:20:19,008 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:20:19,009 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:20:19,009 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:20:19,009 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:20:19,010 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:20:19,010 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:20:19,010 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:20:19,011 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:20:19,011 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:20:19,012 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:20:19,012 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:20:19,012 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:20:19,012 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:20:19,013 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:20:19,013 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:20:19,013 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b0347e2f-0d4a-4022-9866-9e788f611e3c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 08:20:19,020 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:20:19,021 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:20:19,021 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:20:19,021 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 08:20:19,021 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 08:20:19,021 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 08:20:19,021 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 08:20:19,022 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 08:20:19,022 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 08:20:19,022 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 08:20:19,022 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 08:20:19,022 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 08:20:19,022 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 08:20:19,022 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:20:19,022 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:20:19,023 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:20:19,023 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:20:19,023 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:20:19,023 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:20:19,023 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:20:19,023 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:20:19,023 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:20:19,023 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:20:19,023 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:20:19,023 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:20:19,023 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 08:20:19,024 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:20:19,024 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 08:20:19,024 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:20:19,024 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:20:19,024 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:20:19,024 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:20:19,024 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 08:20:19,024 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:20:19,024 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 08:20:19,024 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 08:20:19,024 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_b0347e2f-0d4a-4022-9866-9e788f611e3c/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 -> 3774d82389353be2170e26cc4e53c0d06e3cb94d [2018-12-02 08:20:19,042 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:20:19,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:20:19,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:20:19,055 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:20:19,056 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:20:19,056 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b0347e2f-0d4a-4022-9866-9e788f611e3c/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label04_true-unreach-call_false-termination.c [2018-12-02 08:20:19,103 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0347e2f-0d4a-4022-9866-9e788f611e3c/bin-2019/utaipan/data/ca03c1fed/20bf16c8533d44caa95256bcc07a5411/FLAGfb0ec4feb [2018-12-02 08:20:19,555 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:20:19,555 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b0347e2f-0d4a-4022-9866-9e788f611e3c/sv-benchmarks/c/eca-rers2012/Problem01_label04_true-unreach-call_false-termination.c [2018-12-02 08:20:19,562 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0347e2f-0d4a-4022-9866-9e788f611e3c/bin-2019/utaipan/data/ca03c1fed/20bf16c8533d44caa95256bcc07a5411/FLAGfb0ec4feb [2018-12-02 08:20:19,571 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b0347e2f-0d4a-4022-9866-9e788f611e3c/bin-2019/utaipan/data/ca03c1fed/20bf16c8533d44caa95256bcc07a5411 [2018-12-02 08:20:19,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:20:19,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:20:19,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:20:19,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:20:19,576 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:20:19,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:20:19" (1/1) ... [2018-12-02 08:20:19,578 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 08:20:19, skipping insertion in model container [2018-12-02 08:20:19,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:20:19" (1/1) ... [2018-12-02 08:20:19,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:20:19,607 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:20:19,821 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:20:19,825 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:20:19,935 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:20:19,948 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:20:19,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:19 WrapperNode [2018-12-02 08:20:19,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:20:19,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:20:19,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:20:19,949 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:20:19,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:19" (1/1) ... [2018-12-02 08:20:19,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:19" (1/1) ... [2018-12-02 08:20:19,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:20:19,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:20:19,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:20:19,976 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:20:19,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:19" (1/1) ... [2018-12-02 08:20:19,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:19" (1/1) ... [2018-12-02 08:20:19,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:19" (1/1) ... [2018-12-02 08:20:19,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:19" (1/1) ... [2018-12-02 08:20:20,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:19" (1/1) ... [2018-12-02 08:20:20,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:19" (1/1) ... [2018-12-02 08:20:20,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:19" (1/1) ... [2018-12-02 08:20:20,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:20:20,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:20:20,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:20:20,027 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:20:20,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0347e2f-0d4a-4022-9866-9e788f611e3c/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 08:20:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 08:20:20,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 08:20:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 08:20:20,071 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 08:20:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:20:20,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:20:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 08:20:20,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 08:20:20,653 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:20:20,653 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 08:20:20,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:20:20 BoogieIcfgContainer [2018-12-02 08:20:20,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:20:20,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 08:20:20,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 08:20:20,657 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 08:20:20,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:20:19" (1/3) ... [2018-12-02 08:20:20,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e32af30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:20:20, skipping insertion in model container [2018-12-02 08:20:20,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:19" (2/3) ... [2018-12-02 08:20:20,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e32af30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:20:20, skipping insertion in model container [2018-12-02 08:20:20,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:20:20" (3/3) ... [2018-12-02 08:20:20,660 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label04_true-unreach-call_false-termination.c [2018-12-02 08:20:20,668 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 08:20:20,676 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 08:20:20,688 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 08:20:20,711 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 08:20:20,711 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 08:20:20,711 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 08:20:20,711 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 08:20:20,711 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 08:20:20,711 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 08:20:20,711 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 08:20:20,711 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 08:20:20,728 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-02 08:20:20,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 08:20:20,736 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:20:20,737 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] [2018-12-02 08:20:20,739 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:20:20,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:20,743 INFO L82 PathProgramCache]: Analyzing trace with hash -756584794, now seen corresponding path program 1 times [2018-12-02 08:20:20,744 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:20:20,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:20,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:20:20,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:20,779 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:20:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:21,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:20:21,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:20:21,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 08:20:21,046 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:20:21,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 08:20:21,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 08:20:21,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:20:21,060 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-02 08:20:21,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:20:21,461 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-02 08:20:21,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 08:20:21,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-12-02 08:20:21,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:20:21,471 INFO L225 Difference]: With dead ends: 547 [2018-12-02 08:20:21,471 INFO L226 Difference]: Without dead ends: 278 [2018-12-02 08:20:21,475 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:20:21,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-02 08:20:21,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-02 08:20:21,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-02 08:20:21,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 394 transitions. [2018-12-02 08:20:21,514 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 394 transitions. Word has length 102 [2018-12-02 08:20:21,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:20:21,515 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 394 transitions. [2018-12-02 08:20:21,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 08:20:21,515 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions. [2018-12-02 08:20:21,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-02 08:20:21,518 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:20:21,518 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-02 08:20:21,519 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:20:21,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:21,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1399417091, now seen corresponding path program 1 times [2018-12-02 08:20:21,519 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:20:21,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:21,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:20:21,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:21,521 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:20:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:20:21,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:20:21,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 08:20:21,595 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:20:21,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:20:21,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:20:21,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 08:20:21,596 INFO L87 Difference]: Start difference. First operand 278 states and 394 transitions. Second operand 6 states. [2018-12-02 08:20:21,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:20:21,979 INFO L93 Difference]: Finished difference Result 840 states and 1222 transitions. [2018-12-02 08:20:21,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:20:21,979 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2018-12-02 08:20:21,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:20:21,982 INFO L225 Difference]: With dead ends: 840 [2018-12-02 08:20:21,982 INFO L226 Difference]: Without dead ends: 568 [2018-12-02 08:20:21,983 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 08:20:21,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-02 08:20:22,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 556. [2018-12-02 08:20:22,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2018-12-02 08:20:22,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 784 transitions. [2018-12-02 08:20:22,002 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 784 transitions. Word has length 112 [2018-12-02 08:20:22,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:20:22,002 INFO L480 AbstractCegarLoop]: Abstraction has 556 states and 784 transitions. [2018-12-02 08:20:22,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:20:22,002 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 784 transitions. [2018-12-02 08:20:22,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 08:20:22,005 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:20:22,005 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 08:20:22,005 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:20:22,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:22,005 INFO L82 PathProgramCache]: Analyzing trace with hash -860010770, now seen corresponding path program 1 times [2018-12-02 08:20:22,005 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:20:22,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:22,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:20:22,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:22,006 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:20:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:20:22,068 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:20:22,068 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:20:22,069 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-12-02 08:20:22,070 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 08:20:22,094 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:20:22,094 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:20:22,462 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 08:20:22,463 INFO L272 AbstractInterpreter]: Visited 106 different actions 205 times. Merged at 3 different actions 3 times. Never widened. Performed 2932 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2932 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 08:20:22,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:22,468 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 08:20:22,689 INFO L227 lantSequenceWeakener]: Weakened 133 states. On average, predicates are now at 81.63% of their original sizes. [2018-12-02 08:20:22,689 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 08:20:22,744 INFO L418 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-12-02 08:20:22,744 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 08:20:22,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:20:22,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 08:20:22,745 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:20:22,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 08:20:22,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 08:20:22,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:20:22,746 INFO L87 Difference]: Start difference. First operand 556 states and 784 transitions. Second operand 10 states. [2018-12-02 08:20:25,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:20:25,902 INFO L93 Difference]: Finished difference Result 1897 states and 2734 transitions. [2018-12-02 08:20:25,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 08:20:25,902 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2018-12-02 08:20:25,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:20:25,905 INFO L225 Difference]: With dead ends: 1897 [2018-12-02 08:20:25,905 INFO L226 Difference]: Without dead ends: 1347 [2018-12-02 08:20:25,906 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 08:20:25,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2018-12-02 08:20:25,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 695. [2018-12-02 08:20:25,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2018-12-02 08:20:25,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 935 transitions. [2018-12-02 08:20:25,923 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 935 transitions. Word has length 136 [2018-12-02 08:20:25,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:20:25,923 INFO L480 AbstractCegarLoop]: Abstraction has 695 states and 935 transitions. [2018-12-02 08:20:25,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 08:20:25,923 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 935 transitions. [2018-12-02 08:20:25,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-02 08:20:25,925 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:20:25,925 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:20:25,925 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:20:25,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:25,925 INFO L82 PathProgramCache]: Analyzing trace with hash -673496879, now seen corresponding path program 1 times [2018-12-02 08:20:25,925 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:20:25,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:25,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:20:25,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:25,926 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:20:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 47 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 08:20:25,995 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:20:25,995 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:20:25,995 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-12-02 08:20:25,995 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 08:20:25,999 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:20:25,999 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:20:26,130 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 08:20:26,130 INFO L272 AbstractInterpreter]: Visited 107 different actions 208 times. Merged at 4 different actions 4 times. Never widened. Performed 2821 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2821 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 08:20:26,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:26,133 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 08:20:26,253 INFO L227 lantSequenceWeakener]: Weakened 145 states. On average, predicates are now at 81.6% of their original sizes. [2018-12-02 08:20:26,253 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 08:20:26,301 INFO L418 sIntCurrentIteration]: We unified 147 AI predicates to 147 [2018-12-02 08:20:26,301 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 08:20:26,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:20:26,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 08:20:26,301 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:20:26,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 08:20:26,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 08:20:26,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:20:26,302 INFO L87 Difference]: Start difference. First operand 695 states and 935 transitions. Second operand 10 states. [2018-12-02 08:20:28,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:20:28,932 INFO L93 Difference]: Finished difference Result 1658 states and 2197 transitions. [2018-12-02 08:20:28,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 08:20:28,932 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 148 [2018-12-02 08:20:28,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:20:28,934 INFO L225 Difference]: With dead ends: 1658 [2018-12-02 08:20:28,934 INFO L226 Difference]: Without dead ends: 969 [2018-12-02 08:20:28,935 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 155 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-02 08:20:28,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2018-12-02 08:20:28,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 967. [2018-12-02 08:20:28,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 967 states. [2018-12-02 08:20:28,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 967 states and 1232 transitions. [2018-12-02 08:20:28,949 INFO L78 Accepts]: Start accepts. Automaton has 967 states and 1232 transitions. Word has length 148 [2018-12-02 08:20:28,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:20:28,950 INFO L480 AbstractCegarLoop]: Abstraction has 967 states and 1232 transitions. [2018-12-02 08:20:28,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 08:20:28,950 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1232 transitions. [2018-12-02 08:20:28,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-02 08:20:28,952 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:20:28,952 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:20:28,952 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:20:28,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:28,952 INFO L82 PathProgramCache]: Analyzing trace with hash 176447786, now seen corresponding path program 1 times [2018-12-02 08:20:28,953 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:20:28,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:28,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:20:28,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:28,953 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:20:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:28,992 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 59 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-02 08:20:28,993 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:20:28,993 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:20:28,993 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-12-02 08:20:28,993 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 08:20:28,995 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:20:28,995 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:20:29,146 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 08:20:29,147 INFO L272 AbstractInterpreter]: Visited 108 different actions 322 times. Merged at 6 different actions 18 times. Never widened. Performed 4530 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4530 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 08:20:29,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:29,148 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 08:20:29,261 INFO L227 lantSequenceWeakener]: Weakened 156 states. On average, predicates are now at 83.37% of their original sizes. [2018-12-02 08:20:29,262 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 08:20:29,292 INFO L418 sIntCurrentIteration]: We unified 158 AI predicates to 158 [2018-12-02 08:20:29,292 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 08:20:29,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:20:29,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-12-02 08:20:29,292 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:20:29,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 08:20:29,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 08:20:29,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 08:20:29,293 INFO L87 Difference]: Start difference. First operand 967 states and 1232 transitions. Second operand 9 states. [2018-12-02 08:20:31,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:20:31,505 INFO L93 Difference]: Finished difference Result 1956 states and 2580 transitions. [2018-12-02 08:20:31,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 08:20:31,505 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2018-12-02 08:20:31,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:20:31,508 INFO L225 Difference]: With dead ends: 1956 [2018-12-02 08:20:31,508 INFO L226 Difference]: Without dead ends: 1267 [2018-12-02 08:20:31,509 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 165 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-02 08:20:31,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states. [2018-12-02 08:20:31,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 1249. [2018-12-02 08:20:31,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1249 states. [2018-12-02 08:20:31,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1571 transitions. [2018-12-02 08:20:31,526 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1571 transitions. Word has length 159 [2018-12-02 08:20:31,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:20:31,526 INFO L480 AbstractCegarLoop]: Abstraction has 1249 states and 1571 transitions. [2018-12-02 08:20:31,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 08:20:31,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1571 transitions. [2018-12-02 08:20:31,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-02 08:20:31,528 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:20:31,528 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-12-02 08:20:31,529 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:20:31,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:31,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1363693685, now seen corresponding path program 1 times [2018-12-02 08:20:31,529 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:20:31,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:31,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:20:31,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:31,530 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:20:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:31,581 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 79 proven. 20 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-02 08:20:31,581 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:20:31,581 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:20:31,582 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-12-02 08:20:31,582 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 08:20:31,584 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:20:31,584 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:20:31,874 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:20:31,875 INFO L272 AbstractInterpreter]: Visited 110 different actions 544 times. Merged at 8 different actions 37 times. Never widened. Performed 8162 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8162 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 08:20:31,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:31,877 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:20:31,877 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:20:31,877 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0347e2f-0d4a-4022-9866-9e788f611e3c/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 08:20:31,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:20:31,884 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:20:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:31,949 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:20:32,013 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-02 08:20:32,013 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:20:32,133 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 79 proven. 20 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-02 08:20:32,158 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 08:20:32,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-02 08:20:32,158 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 08:20:32,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 08:20:32,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 08:20:32,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-02 08:20:32,159 INFO L87 Difference]: Start difference. First operand 1249 states and 1571 transitions. Second operand 8 states. [2018-12-02 08:20:33,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:20:33,446 INFO L93 Difference]: Finished difference Result 4031 states and 5301 transitions. [2018-12-02 08:20:33,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-02 08:20:33,446 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2018-12-02 08:20:33,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:20:33,451 INFO L225 Difference]: With dead ends: 4031 [2018-12-02 08:20:33,451 INFO L226 Difference]: Without dead ends: 2633 [2018-12-02 08:20:33,453 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2018-12-02 08:20:33,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2633 states. [2018-12-02 08:20:33,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2633 to 2617. [2018-12-02 08:20:33,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2617 states. [2018-12-02 08:20:33,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 3035 transitions. [2018-12-02 08:20:33,491 INFO L78 Accepts]: Start accepts. Automaton has 2617 states and 3035 transitions. Word has length 178 [2018-12-02 08:20:33,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:20:33,491 INFO L480 AbstractCegarLoop]: Abstraction has 2617 states and 3035 transitions. [2018-12-02 08:20:33,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 08:20:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 3035 transitions. [2018-12-02 08:20:33,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-02 08:20:33,494 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:20:33,494 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:20:33,495 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:20:33,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:33,495 INFO L82 PathProgramCache]: Analyzing trace with hash -242282541, now seen corresponding path program 1 times [2018-12-02 08:20:33,495 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:20:33,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:33,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:20:33,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:33,495 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:20:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 87 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 08:20:33,556 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:20:33,556 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:20:33,556 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-12-02 08:20:33,557 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 08:20:33,558 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:20:33,558 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:20:33,647 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 08:20:33,647 INFO L272 AbstractInterpreter]: Visited 107 different actions 208 times. Merged at 4 different actions 4 times. Never widened. Performed 2880 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2880 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 08:20:33,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:33,648 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 08:20:33,772 INFO L227 lantSequenceWeakener]: Weakened 178 states. On average, predicates are now at 81.6% of their original sizes. [2018-12-02 08:20:33,772 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 08:20:33,828 INFO L418 sIntCurrentIteration]: We unified 180 AI predicates to 180 [2018-12-02 08:20:33,828 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 08:20:33,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:20:33,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 08:20:33,828 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:20:33,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 08:20:33,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 08:20:33,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:20:33,829 INFO L87 Difference]: Start difference. First operand 2617 states and 3035 transitions. Second operand 10 states. [2018-12-02 08:20:35,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:20:35,859 INFO L93 Difference]: Finished difference Result 5232 states and 6130 transitions. [2018-12-02 08:20:35,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 08:20:35,859 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 181 [2018-12-02 08:20:35,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:20:35,865 INFO L225 Difference]: With dead ends: 5232 [2018-12-02 08:20:35,865 INFO L226 Difference]: Without dead ends: 2893 [2018-12-02 08:20:35,869 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 189 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-02 08:20:35,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2893 states. [2018-12-02 08:20:35,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2893 to 2891. [2018-12-02 08:20:35,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2891 states. [2018-12-02 08:20:35,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2891 states and 3332 transitions. [2018-12-02 08:20:35,910 INFO L78 Accepts]: Start accepts. Automaton has 2891 states and 3332 transitions. Word has length 181 [2018-12-02 08:20:35,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:20:35,910 INFO L480 AbstractCegarLoop]: Abstraction has 2891 states and 3332 transitions. [2018-12-02 08:20:35,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 08:20:35,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2891 states and 3332 transitions. [2018-12-02 08:20:35,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-02 08:20:35,913 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:20:35,914 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:20:35,914 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:20:35,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:35,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1191546920, now seen corresponding path program 1 times [2018-12-02 08:20:35,914 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:20:35,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:35,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:20:35,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:35,915 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:20:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:35,994 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 84 proven. 43 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 08:20:35,994 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:20:35,994 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:20:35,994 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-12-02 08:20:35,994 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 08:20:35,996 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:20:35,996 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:20:36,219 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:20:36,220 INFO L272 AbstractInterpreter]: Visited 109 different actions 436 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 6322 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6322 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 08:20:36,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:36,225 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:20:36,225 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:20:36,225 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0347e2f-0d4a-4022-9866-9e788f611e3c/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 08:20:36,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:20:36,233 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:20:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:36,285 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:20:36,325 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-02 08:20:36,326 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:20:36,371 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 89 proven. 36 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 08:20:36,385 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 08:20:36,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-02 08:20:36,385 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 08:20:36,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 08:20:36,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 08:20:36,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-02 08:20:36,386 INFO L87 Difference]: Start difference. First operand 2891 states and 3332 transitions. Second operand 11 states. [2018-12-02 08:20:37,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:20:37,486 INFO L93 Difference]: Finished difference Result 9390 states and 11349 transitions. [2018-12-02 08:20:37,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 08:20:37,486 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 189 [2018-12-02 08:20:37,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:20:37,500 INFO L225 Difference]: With dead ends: 9390 [2018-12-02 08:20:37,501 INFO L226 Difference]: Without dead ends: 6914 [2018-12-02 08:20:37,505 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 381 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-12-02 08:20:37,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6914 states. [2018-12-02 08:20:37,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6914 to 6499. [2018-12-02 08:20:37,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6499 states. [2018-12-02 08:20:37,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6499 states to 6499 states and 7630 transitions. [2018-12-02 08:20:37,598 INFO L78 Accepts]: Start accepts. Automaton has 6499 states and 7630 transitions. Word has length 189 [2018-12-02 08:20:37,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:20:37,598 INFO L480 AbstractCegarLoop]: Abstraction has 6499 states and 7630 transitions. [2018-12-02 08:20:37,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 08:20:37,598 INFO L276 IsEmpty]: Start isEmpty. Operand 6499 states and 7630 transitions. [2018-12-02 08:20:37,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-02 08:20:37,604 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:20:37,604 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:20:37,604 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:20:37,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:37,605 INFO L82 PathProgramCache]: Analyzing trace with hash -2024816168, now seen corresponding path program 1 times [2018-12-02 08:20:37,605 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:20:37,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:37,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:20:37,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:37,606 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:20:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:37,706 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 08:20:37,706 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:20:37,706 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:20:37,707 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-12-02 08:20:37,707 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 08:20:37,709 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:20:37,709 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:20:37,858 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 08:20:37,858 INFO L272 AbstractInterpreter]: Visited 108 different actions 316 times. Merged at 6 different actions 12 times. Never widened. Performed 4304 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4304 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-02 08:20:37,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:37,869 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 08:20:38,023 INFO L227 lantSequenceWeakener]: Weakened 195 states. On average, predicates are now at 83.22% of their original sizes. [2018-12-02 08:20:38,023 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 08:20:38,062 INFO L418 sIntCurrentIteration]: We unified 197 AI predicates to 197 [2018-12-02 08:20:38,063 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 08:20:38,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:20:38,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 08:20:38,063 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:20:38,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 08:20:38,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 08:20:38,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:20:38,063 INFO L87 Difference]: Start difference. First operand 6499 states and 7630 transitions. Second operand 10 states. [2018-12-02 08:20:40,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:20:40,681 INFO L93 Difference]: Finished difference Result 13140 states and 15501 transitions. [2018-12-02 08:20:40,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 08:20:40,682 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 198 [2018-12-02 08:20:40,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:20:40,692 INFO L225 Difference]: With dead ends: 13140 [2018-12-02 08:20:40,692 INFO L226 Difference]: Without dead ends: 7193 [2018-12-02 08:20:40,696 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 205 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-02 08:20:40,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7193 states. [2018-12-02 08:20:40,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7193 to 7188. [2018-12-02 08:20:40,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7188 states. [2018-12-02 08:20:40,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7188 states to 7188 states and 8404 transitions. [2018-12-02 08:20:40,765 INFO L78 Accepts]: Start accepts. Automaton has 7188 states and 8404 transitions. Word has length 198 [2018-12-02 08:20:40,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:20:40,766 INFO L480 AbstractCegarLoop]: Abstraction has 7188 states and 8404 transitions. [2018-12-02 08:20:40,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 08:20:40,766 INFO L276 IsEmpty]: Start isEmpty. Operand 7188 states and 8404 transitions. [2018-12-02 08:20:40,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-02 08:20:40,772 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:20:40,772 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-12-02 08:20:40,773 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:20:40,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:40,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1190542073, now seen corresponding path program 1 times [2018-12-02 08:20:40,773 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:20:40,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:40,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:20:40,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:40,773 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:20:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:40,838 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 104 proven. 64 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 08:20:40,838 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:20:40,838 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:20:40,838 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-12-02 08:20:40,838 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 08:20:40,839 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:20:40,840 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:20:41,061 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:20:41,061 INFO L272 AbstractInterpreter]: Visited 110 different actions 444 times. Merged at 9 different actions 37 times. Widened at 1 different actions 1 times. Performed 6460 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6460 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 08:20:41,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:41,065 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:20:41,065 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:20:41,065 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0347e2f-0d4a-4022-9866-9e788f611e3c/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 08:20:41,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:20:41,071 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:20:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:41,119 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:20:41,169 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-02 08:20:41,169 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:20:41,212 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 109 proven. 20 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-02 08:20:41,227 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 08:20:41,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-12-02 08:20:41,227 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 08:20:41,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 08:20:41,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 08:20:41,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-12-02 08:20:41,228 INFO L87 Difference]: Start difference. First operand 7188 states and 8404 transitions. Second operand 12 states. [2018-12-02 08:20:43,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:20:43,073 INFO L93 Difference]: Finished difference Result 17543 states and 21268 transitions. [2018-12-02 08:20:43,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-02 08:20:43,074 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 208 [2018-12-02 08:20:43,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:20:43,099 INFO L225 Difference]: With dead ends: 17543 [2018-12-02 08:20:43,099 INFO L226 Difference]: Without dead ends: 10498 [2018-12-02 08:20:43,109 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=411, Invalid=1395, Unknown=0, NotChecked=0, Total=1806 [2018-12-02 08:20:43,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10498 states. [2018-12-02 08:20:43,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10498 to 9249. [2018-12-02 08:20:43,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9249 states. [2018-12-02 08:20:43,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9249 states to 9249 states and 10913 transitions. [2018-12-02 08:20:43,226 INFO L78 Accepts]: Start accepts. Automaton has 9249 states and 10913 transitions. Word has length 208 [2018-12-02 08:20:43,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:20:43,227 INFO L480 AbstractCegarLoop]: Abstraction has 9249 states and 10913 transitions. [2018-12-02 08:20:43,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 08:20:43,227 INFO L276 IsEmpty]: Start isEmpty. Operand 9249 states and 10913 transitions. [2018-12-02 08:20:43,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-02 08:20:43,237 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:20:43,237 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:20:43,237 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:20:43,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:43,237 INFO L82 PathProgramCache]: Analyzing trace with hash -349352154, now seen corresponding path program 1 times [2018-12-02 08:20:43,237 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:20:43,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:43,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:20:43,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:20:43,238 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:20:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:43,331 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 158 proven. 45 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 08:20:43,331 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:20:43,332 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:20:43,332 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-12-02 08:20:43,332 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 08:20:43,333 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:20:43,333 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:20:43,549 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:20:43,549 INFO L272 AbstractInterpreter]: Visited 109 different actions 432 times. Merged at 8 different actions 29 times. Widened at 1 different actions 1 times. Performed 6426 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6426 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 4 different actions. Largest state had 42 variables. [2018-12-02 08:20:43,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:20:43,550 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:20:43,550 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:20:43,550 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0347e2f-0d4a-4022-9866-9e788f611e3c/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 08:20:43,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:20:43,556 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:20:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:20:43,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:20:43,646 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 144 proven. 19 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 08:20:43,646 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:20:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 161 proven. 2 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 08:20:43,726 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 08:20:43,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2018-12-02 08:20:43,727 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 08:20:43,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 08:20:43,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 08:20:43,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-12-02 08:20:43,727 INFO L87 Difference]: Start difference. First operand 9249 states and 10913 transitions. Second operand 11 states. [2018-12-02 08:20:45,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:20:45,150 INFO L93 Difference]: Finished difference Result 19692 states and 24975 transitions. [2018-12-02 08:20:45,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-12-02 08:20:45,151 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 214 [2018-12-02 08:20:45,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:20:45,151 INFO L225 Difference]: With dead ends: 19692 [2018-12-02 08:20:45,151 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 08:20:45,180 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 443 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=304, Invalid=1256, Unknown=0, NotChecked=0, Total=1560 [2018-12-02 08:20:45,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 08:20:45,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 08:20:45,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 08:20:45,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 08:20:45,181 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 214 [2018-12-02 08:20:45,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:20:45,181 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 08:20:45,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 08:20:45,181 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 08:20:45,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 08:20:45,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 08:20:45,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,875 WARN L180 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 164 [2018-12-02 08:20:45,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:45,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:20:46,257 WARN L180 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 179 [2018-12-02 08:20:47,748 WARN L180 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 323 DAG size of output: 115 [2018-12-02 08:20:48,237 WARN L180 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 76 [2018-12-02 08:20:48,684 WARN L180 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 74 [2018-12-02 08:20:48,686 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:20:48,686 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a8~0 |old(~a8~0)|) (= ~a7~0 |old(~a7~0)|) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= |old(~a16~0)| ~a16~0)) [2018-12-02 08:20:48,686 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:20:48,686 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-02 08:20:48,686 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-02 08:20:48,686 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,687 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,687 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,687 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,687 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,687 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,687 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-02 08:20:48,687 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-02 08:20:48,687 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-02 08:20:48,687 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-02 08:20:48,687 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-02 08:20:48,687 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-02 08:20:48,687 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-02 08:20:48,687 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-02 08:20:48,688 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-02 08:20:48,688 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-02 08:20:48,688 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,688 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,688 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,688 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,688 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,688 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,688 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-02 08:20:48,688 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-02 08:20:48,688 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-02 08:20:48,688 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-02 08:20:48,688 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-02 08:20:48,689 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-02 08:20:48,689 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-02 08:20:48,689 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-02 08:20:48,689 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-02 08:20:48,689 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-02 08:20:48,689 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-02 08:20:48,689 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-02 08:20:48,689 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-02 08:20:48,689 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-02 08:20:48,689 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-02 08:20:48,689 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,689 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,689 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,690 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,690 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,690 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-02 08:20:48,690 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-02 08:20:48,690 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-02 08:20:48,690 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-02 08:20:48,690 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-02 08:20:48,690 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-02 08:20:48,690 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-02 08:20:48,690 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-02 08:20:48,690 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-02 08:20:48,690 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,690 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,691 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,691 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,691 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,691 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-02 08:20:48,691 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-02 08:20:48,691 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-02 08:20:48,691 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-02 08:20:48,691 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-02 08:20:48,691 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-02 08:20:48,691 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-02 08:20:48,691 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-02 08:20:48,691 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-02 08:20:48,691 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-02 08:20:48,691 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-02 08:20:48,691 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-02 08:20:48,691 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-02 08:20:48,692 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-02 08:20:48,693 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-02 08:20:48,694 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 464) no Hoare annotation was computed. [2018-12-02 08:20:48,694 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-02 08:20:48,694 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,694 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,694 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,694 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,694 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,694 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-02 08:20:48,694 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-02 08:20:48,694 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-02 08:20:48,694 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-02 08:20:48,694 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-02 08:20:48,694 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-02 08:20:48,694 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-02 08:20:48,694 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-02 08:20:48,694 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-02 08:20:48,694 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse34 (= 1 |old(~a20~0)|))) (let ((.cse12 (not (= 1 |old(~a21~0)|))) (.cse26 (not .cse34)) (.cse27 (= 0 |old(~a16~0)|)) (.cse16 (not (= 8 ~a12~0))) (.cse10 (= |calculate_output_#in~input| 0)) (.cse17 (not (= 1 |old(~a17~0)|))) (.cse2 (= |old(~a20~0)| ~a20~0)) (.cse22 (not (= ~a8~0 0))) (.cse9 (= ~a21~0 1)) (.cse32 (not (= ~a8~0 13))) (.cse0 (<= ~a8~0 |old(~a8~0)|)) (.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse36 (= ~a16~0 |old(~a16~0)|)) (.cse18 (= 1 |old(~a7~0)|))) (let ((.cse15 (not (= 5 |old(~a16~0)|))) (.cse30 (< 0 |old(~a20~0)|)) (.cse11 (not (= 0 |old(~a7~0)|))) (.cse13 (not (= 15 |old(~a8~0)|))) (.cse14 (not (= 0 |old(~a17~0)|))) (.cse31 (= 1 ~a7~0)) (.cse33 (not .cse18)) (.cse6 (< 0 |old(~a21~0)|)) (.cse28 (= 13 |old(~a8~0)|)) (.cse29 (and .cse2 .cse22 .cse9 .cse32 .cse0 .cse1 .cse3 .cse36)) (.cse19 (<= 15 ~a8~0)) (.cse21 (< |old(~a8~0)| 15)) (.cse4 (<= ~a21~0 |old(~a21~0)|)) (.cse20 (< 0 |old(~a17~0)|)) (.cse7 (= 6 |old(~a16~0)|)) (.cse8 (< 13 |old(~a8~0)|)) (.cse5 (= |old(~a16~0)| ~a16~0)) (.cse23 (= ~a20~0 1)) (.cse35 (not (= 4 |old(~a16~0)|))) (.cse24 (or .cse12 .cse26 .cse27 .cse16 .cse10 .cse17)) (.cse25 (= 0 |old(~a8~0)|))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 (or .cse7 .cse8)) (or (and (= ~a7~0 0) (= ~a8~0 15) .cse9) .cse10 (and (or .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (or .cse11 .cse12 .cse13 .cse15 .cse16 .cse17))) (or .cse18 .cse19 .cse20 .cse21) (or .cse8 (and .cse0 .cse1 .cse22 .cse5 (= ~a17~0 1) .cse23 .cse9) .cse24 .cse25) (or .cse11 (and .cse3 .cse23 (= ~a16~0 5)) .cse13 .cse15 .cse24) (or .cse7 .cse11 .cse12 .cse16 .cse20 .cse10 .cse9 .cse26 .cse13 .cse27) (or .cse12 .cse18 .cse28 .cse27 .cse16 .cse29 .cse10 .cse25 .cse30 .cse17) (or .cse7 .cse28 (and .cse0 .cse31 .cse2 .cse3 .cse4 .cse5 .cse32) .cse33 .cse20) (or .cse18 .cse28 .cse20 (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse32)) (or .cse12 .cse18 .cse19 .cse27 .cse16 .cse10 .cse21 .cse30 .cse17) (or .cse10 .cse9 (or (not .cse7) .cse11 .cse12 .cse26 .cse13 .cse14 .cse16)) (or .cse8 (and .cse0 .cse31 .cse2 .cse3 .cse4 .cse5) (< |old(~a20~0)| 1) .cse33 .cse20 .cse6) (or .cse7 .cse12 .cse18 .cse28 .cse27 .cse16 .cse29 .cse10 .cse25 .cse34 .cse17) (or .cse7 .cse12 .cse16 .cse19 .cse10 .cse34 .cse21 .cse17 .cse18 .cse27) (or .cse18 .cse35 (and .cse2 .cse3 .cse4) .cse20) (or .cse7 (= |old(~a7~0)| 1) .cse8 (and .cse0 .cse1 .cse5)) (or .cse18 (and .cse22 .cse9 .cse0 .cse1 .cse3 .cse36 .cse23) .cse35 .cse24 .cse25))))) [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,695 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:20:48,696 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-02 08:20:48,697 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-02 08:20:48,697 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-02 08:20:48,697 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-02 08:20:48,697 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-02 08:20:48,697 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-02 08:20:48,697 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-02 08:20:48,697 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-02 08:20:48,697 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-02 08:20:48,697 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-02 08:20:48,697 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:20:48,697 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-02 08:20:48,697 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 08:20:48,697 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:20:48,697 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (and (= ~a8~0 15) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-12-02 08:20:48,697 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-02 08:20:48,697 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse4 (= ~a20~0 1)) (.cse11 (= ~a16~0 4)) (.cse9 (not (= ~a16~0 6))) (.cse3 (not (= ~a16~0 0))) (.cse8 (not (= ~a7~0 1))) (.cse0 (not (= main_~input~0 0))) (.cse5 (not (= ~a8~0 0))) (.cse6 (= ~a17~0 1)) (.cse1 (= ~a21~0 1)) (.cse7 (not (= ~a8~0 13))) (.cse10 (<= ~a8~0 13)) (.cse13 (<= ~a21~0 0)) (.cse12 (<= ~a17~0 0))) (or (not (= 1 |old(~a21~0)|)) (and (= ~a8~0 15) .cse0 .cse1 .cse2 (= ~a17~0 |old(~a17~0)|) (= ~a16~0 5)) (and .cse3 (not .cse4) .cse0 .cse5 .cse6 .cse1 .cse7 .cse8 .cse9) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse10 .cse2 .cse9) (and .cse0 .cse5 .cse6 .cse1 .cse8 .cse11 .cse4) (and .cse10 .cse3 .cse0 .cse5 .cse6 .cse1 .cse4) (and .cse8 .cse11 .cse12) (not (= 0 |old(~a7~0)|)) (and .cse8 .cse12 .cse7) (not (= 1 |old(~a17~0)|)) (and .cse10 .cse13 .cse9) (not (= 15 |old(~a8~0)|)) (and (and .cse9 .cse7) .cse12) (and .cse3 .cse8 .cse0 .cse5 .cse6 .cse1 (<= ~a20~0 0) .cse7) (and .cse10 (= 1 ~a7~0) .cse13 .cse12 (<= 1 ~a20~0)))) [2018-12-02 08:20:48,697 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-02 08:20:48,697 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-02 08:20:48,698 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (not (= ~a16~0 0))) (.cse5 (not (= ~a8~0 0))) (.cse4 (= ~a20~0 1))) (let ((.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse9 (not (= ~a7~0 1))) (.cse10 (= ~a16~0 4)) (.cse6 (= ~a17~0 1)) (.cse7 (= ~a21~0 1)) (.cse12 (and .cse3 .cse5 .cse4)) (.cse2 (not (= ~a16~0 6))) (.cse8 (not (= ~a8~0 13))) (.cse0 (<= ~a8~0 13)) (.cse13 (<= ~a21~0 0)) (.cse11 (<= ~a17~0 0))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 (not .cse4) .cse5 .cse6 .cse7 .cse8 .cse9 .cse2) (and .cse9 .cse10 .cse11) (and (= ~a8~0 15) .cse7 .cse1 (= ~a17~0 |old(~a17~0)|) (= ~a16~0 5)) (not (= 0 |old(~a7~0)|)) (and .cse3 .cse9 .cse5 .cse6 .cse7 .cse8 (<= ~a20~0 0)) (and .cse9 .cse11 .cse8) (and .cse6 .cse7 .cse12 .cse9 .cse10) (not (= 1 |old(~a17~0)|)) (and .cse0 .cse13 .cse2) (and .cse0 .cse6 .cse7 .cse12) (not (= 15 |old(~a8~0)|)) (and (and .cse2 .cse8) .cse11) (and .cse0 (= 1 ~a7~0) .cse13 .cse11 (<= 1 ~a20~0))))) [2018-12-02 08:20:48,698 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-02 08:20:48,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:20:48 BoogieIcfgContainer [2018-12-02 08:20:48,708 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 08:20:48,709 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:20:48,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:20:48,709 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:20:48,709 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:20:20" (3/4) ... [2018-12-02 08:20:48,712 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 08:20:48,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 08:20:48,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 08:20:48,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 08:20:48,724 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 08:20:48,724 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 08:20:48,746 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((!(1 == \old(a21)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((((((!(a16 == 0) && !(a20 == 1)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a8 == 13)) && !(a7 == 1)) && !(a16 == 6))) || ((!(a7 == 1) && a16 == 4) && a17 <= 0)) || ((((a8 == 15 && a21 == 1) && a7 == \old(a7)) && a17 == \old(a17)) && a16 == 5)) || !(0 == \old(a7))) || ((((((!(a16 == 0) && !(a7 == 1)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a8 == 13)) && a20 <= 0)) || ((!(a7 == 1) && a17 <= 0) && !(a8 == 13))) || ((((a17 == 1 && a21 == 1) && (!(a16 == 0) && !(a8 == 0)) && a20 == 1) && !(a7 == 1)) && a16 == 4)) || !(1 == \old(a17))) || ((a8 <= 13 && a21 <= 0) && !(a16 == 6))) || (((a8 <= 13 && a17 == 1) && a21 == 1) && (!(a16 == 0) && !(a8 == 0)) && a20 == 1)) || !(15 == \old(a8))) || ((!(a16 == 6) && !(a8 == 13)) && a17 <= 0)) || ((((a8 <= 13 && 1 == a7) && a21 <= 0) && a17 <= 0) && 1 <= a20) [2018-12-02 08:20:48,793 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b0347e2f-0d4a-4022-9866-9e788f611e3c/bin-2019/utaipan/witness.graphml [2018-12-02 08:20:48,793 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:20:48,794 INFO L168 Benchmark]: Toolchain (without parser) took 29220.85 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 941.6 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 382.5 MB. Max. memory is 11.5 GB. [2018-12-02 08:20:48,794 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:20:48,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -142.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-12-02 08:20:48,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 08:20:48,795 INFO L168 Benchmark]: Boogie Preprocessor took 50.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 08:20:48,795 INFO L168 Benchmark]: RCFGBuilder took 626.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 970.5 MB in the end (delta: 98.0 MB). Peak memory consumption was 98.0 MB. Max. memory is 11.5 GB. [2018-12-02 08:20:48,795 INFO L168 Benchmark]: TraceAbstraction took 28054.25 ms. Allocated memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 965.1 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-02 08:20:48,795 INFO L168 Benchmark]: Witness Printer took 84.91 ms. Allocated memory is still 2.5 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2018-12-02 08:20:48,796 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 374.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -142.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 626.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 970.5 MB in the end (delta: 98.0 MB). Peak memory consumption was 98.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28054.25 ms. Allocated memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 965.1 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 84.91 ms. Allocated memory is still 2.5 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 464]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((!(1 == \old(a21)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((((((!(a16 == 0) && !(a20 == 1)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a8 == 13)) && !(a7 == 1)) && !(a16 == 6))) || ((!(a7 == 1) && a16 == 4) && a17 <= 0)) || ((((a8 == 15 && a21 == 1) && a7 == \old(a7)) && a17 == \old(a17)) && a16 == 5)) || !(0 == \old(a7))) || ((((((!(a16 == 0) && !(a7 == 1)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a8 == 13)) && a20 <= 0)) || ((!(a7 == 1) && a17 <= 0) && !(a8 == 13))) || ((((a17 == 1 && a21 == 1) && (!(a16 == 0) && !(a8 == 0)) && a20 == 1) && !(a7 == 1)) && a16 == 4)) || !(1 == \old(a17))) || ((a8 <= 13 && a21 <= 0) && !(a16 == 6))) || (((a8 <= 13 && a17 == 1) && a21 == 1) && (!(a16 == 0) && !(a8 == 0)) && a20 == 1)) || !(15 == \old(a8))) || ((!(a16 == 6) && !(a8 == 13)) && a17 <= 0)) || ((((a8 <= 13 && 1 == a7) && a21 <= 0) && a17 <= 0) && 1 <= a20) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 27.9s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 19.2s AutomataDifference, 0.0s DeadEndRemovalTime, 3.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 617 SDtfs, 11495 SDslu, 1085 SDs, 0 SdLazy, 15195 SolverSat, 2524 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.3s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 2638 GetRequests, 2416 SyntacticMatches, 9 SemanticMatches, 213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1278 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9249occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.9s AbstIntTime, 9 AbstIntIterations, 5 AbstIntStrong, 0.9962982451210391 AbsIntWeakeningRatio, 0.2582619339045288 AbsIntAvgWeakeningVarsNumRemoved, 27.96328029375765 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 2371 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 557 PreInvPairs, 1125 NumberOfFragments, 1238 HoareAnnotationTreeSize, 557 FomulaSimplifications, 73362 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14775 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2614 NumberOfCodeBlocks, 2614 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3384 ConstructedInterpolants, 0 QuantifiedInterpolants, 1160247 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2433 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 19 InterpolantComputations, 2 PerfectInterpolantSequences, 2521/2844 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...