./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label29_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_1bfa0535-6909-4b57-908f-46e4faa7dfb5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1bfa0535-6909-4b57-908f-46e4faa7dfb5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1bfa0535-6909-4b57-908f-46e4faa7dfb5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1bfa0535-6909-4b57-908f-46e4faa7dfb5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1bfa0535-6909-4b57-908f-46e4faa7dfb5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1bfa0535-6909-4b57-908f-46e4faa7dfb5/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 9b698dcf3c9df7b9ad57a5812bd690b0917b122e ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 06:30:40,021 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:30:40,022 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:30:40,028 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:30:40,028 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:30:40,028 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:30:40,029 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:30:40,030 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:30:40,031 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:30:40,031 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:30:40,031 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:30:40,032 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:30:40,032 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:30:40,033 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:30:40,033 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:30:40,033 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:30:40,034 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:30:40,035 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:30:40,036 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:30:40,036 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:30:40,037 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:30:40,038 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:30:40,039 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:30:40,039 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:30:40,039 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:30:40,040 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:30:40,040 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:30:40,041 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:30:40,041 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:30:40,041 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:30:40,042 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:30:40,042 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:30:40,042 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:30:40,042 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:30:40,043 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:30:40,043 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:30:40,043 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1bfa0535-6909-4b57-908f-46e4faa7dfb5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 06:30:40,051 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:30:40,051 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:30:40,051 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:30:40,052 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:30:40,052 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 06:30:40,052 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 06:30:40,052 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 06:30:40,052 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 06:30:40,052 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 06:30:40,052 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 06:30:40,052 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 06:30:40,052 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 06:30:40,052 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 06:30:40,053 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:30:40,053 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:30:40,053 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:30:40,053 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:30:40,053 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:30:40,053 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:30:40,053 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:30:40,053 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:30:40,053 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:30:40,053 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:30:40,054 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:30:40,054 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:30:40,054 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:30:40,054 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:30:40,054 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:30:40,054 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:30:40,054 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:30:40,054 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:30:40,054 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:30:40,054 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 06:30:40,054 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:30:40,055 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 06:30:40,055 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 06:30:40,055 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_1bfa0535-6909-4b57-908f-46e4faa7dfb5/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 -> 9b698dcf3c9df7b9ad57a5812bd690b0917b122e [2018-12-02 06:30:40,073 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:30:40,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:30:40,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:30:40,086 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:30:40,086 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:30:40,087 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1bfa0535-6909-4b57-908f-46e4faa7dfb5/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c [2018-12-02 06:30:40,123 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1bfa0535-6909-4b57-908f-46e4faa7dfb5/bin-2019/utaipan/data/5fe5d476f/bb488799d45544d1bfbf5eacb4a1a914/FLAG1102ef6d2 [2018-12-02 06:30:40,627 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:30:40,628 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1bfa0535-6909-4b57-908f-46e4faa7dfb5/sv-benchmarks/c/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c [2018-12-02 06:30:40,634 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1bfa0535-6909-4b57-908f-46e4faa7dfb5/bin-2019/utaipan/data/5fe5d476f/bb488799d45544d1bfbf5eacb4a1a914/FLAG1102ef6d2 [2018-12-02 06:30:40,643 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1bfa0535-6909-4b57-908f-46e4faa7dfb5/bin-2019/utaipan/data/5fe5d476f/bb488799d45544d1bfbf5eacb4a1a914 [2018-12-02 06:30:40,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:30:40,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:30:40,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:30:40,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:30:40,648 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:30:40,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:30:40" (1/1) ... [2018-12-02 06:30:40,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:30:40, skipping insertion in model container [2018-12-02 06:30:40,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:30:40" (1/1) ... [2018-12-02 06:30:40,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:30:40,678 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:30:40,852 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:30:40,855 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:30:40,940 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:30:40,950 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:30:40,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:30:40 WrapperNode [2018-12-02 06:30:40,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:30:40,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:30:40,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:30:40,951 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:30:40,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:30:40" (1/1) ... [2018-12-02 06:30:40,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:30:40" (1/1) ... [2018-12-02 06:30:40,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:30:40,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:30:40,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:30:40,971 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:30:40,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:30:40" (1/1) ... [2018-12-02 06:30:40,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:30:40" (1/1) ... [2018-12-02 06:30:40,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:30:40" (1/1) ... [2018-12-02 06:30:40,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:30:40" (1/1) ... [2018-12-02 06:30:40,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:30:40" (1/1) ... [2018-12-02 06:30:41,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:30:40" (1/1) ... [2018-12-02 06:30:41,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:30:40" (1/1) ... [2018-12-02 06:30:41,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:30:41,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:30:41,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:30:41,010 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:30:41,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:30:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1bfa0535-6909-4b57-908f-46e4faa7dfb5/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:30:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 06:30:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 06:30:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 06:30:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 06:30:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:30:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:30:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 06:30:41,053 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 06:30:41,638 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:30:41,638 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 06:30:41,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:30:41 BoogieIcfgContainer [2018-12-02 06:30:41,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:30:41,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:30:41,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:30:41,642 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:30:41,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:30:40" (1/3) ... [2018-12-02 06:30:41,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3461c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:30:41, skipping insertion in model container [2018-12-02 06:30:41,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:30:40" (2/3) ... [2018-12-02 06:30:41,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3461c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:30:41, skipping insertion in model container [2018-12-02 06:30:41,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:30:41" (3/3) ... [2018-12-02 06:30:41,645 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label29_true-unreach-call_false-termination.c [2018-12-02 06:30:41,653 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:30:41,660 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 06:30:41,673 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 06:30:41,700 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:30:41,700 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 06:30:41,700 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:30:41,700 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:30:41,701 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:30:41,701 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:30:41,701 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:30:41,701 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:30:41,719 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-02 06:30:41,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 06:30:41,726 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:30:41,727 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:30:41,728 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:30:41,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:30:41,732 INFO L82 PathProgramCache]: Analyzing trace with hash 370140070, now seen corresponding path program 1 times [2018-12-02 06:30:41,733 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:30:41,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:30:41,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:30:41,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:30:41,764 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:30:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:30:41,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:30:41,973 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:30:41,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:30:41,973 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:30:41,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:30:41,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:30:41,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:30:41,987 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-02 06:30:42,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:30:42,408 INFO L93 Difference]: Finished difference Result 624 states and 1069 transitions. [2018-12-02 06:30:42,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:30:42,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2018-12-02 06:30:42,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:30:42,419 INFO L225 Difference]: With dead ends: 624 [2018-12-02 06:30:42,419 INFO L226 Difference]: Without dead ends: 326 [2018-12-02 06:30:42,422 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:30:42,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2018-12-02 06:30:42,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 321. [2018-12-02 06:30:42,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-02 06:30:42,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 467 transitions. [2018-12-02 06:30:42,465 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 467 transitions. Word has length 108 [2018-12-02 06:30:42,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:30:42,465 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 467 transitions. [2018-12-02 06:30:42,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:30:42,465 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 467 transitions. [2018-12-02 06:30:42,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-02 06:30:42,468 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:30:42,468 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:30:42,469 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:30:42,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:30:42,469 INFO L82 PathProgramCache]: Analyzing trace with hash 330075201, now seen corresponding path program 1 times [2018-12-02 06:30:42,469 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:30:42,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:30:42,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:30:42,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:30:42,471 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:30:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:30:42,555 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:30:42,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:30:42,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:30:42,556 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:30:42,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:30:42,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:30:42,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:30:42,558 INFO L87 Difference]: Start difference. First operand 321 states and 467 transitions. Second operand 3 states. [2018-12-02 06:30:42,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:30:42,855 INFO L93 Difference]: Finished difference Result 927 states and 1371 transitions. [2018-12-02 06:30:42,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:30:42,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2018-12-02 06:30:42,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:30:42,858 INFO L225 Difference]: With dead ends: 927 [2018-12-02 06:30:42,858 INFO L226 Difference]: Without dead ends: 612 [2018-12-02 06:30:42,859 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:30:42,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2018-12-02 06:30:42,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2018-12-02 06:30:42,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2018-12-02 06:30:42,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 797 transitions. [2018-12-02 06:30:42,877 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 797 transitions. Word has length 116 [2018-12-02 06:30:42,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:30:42,877 INFO L480 AbstractCegarLoop]: Abstraction has 612 states and 797 transitions. [2018-12-02 06:30:42,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:30:42,878 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 797 transitions. [2018-12-02 06:30:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-02 06:30:42,879 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:30:42,880 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:30:42,880 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:30:42,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:30:42,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1438415473, now seen corresponding path program 1 times [2018-12-02 06:30:42,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:30:42,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:30:42,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:30:42,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:30:42,881 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:30:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:30:42,932 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:30:42,933 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:30:42,933 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:30:42,933 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:30:42,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:30:42,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:30:42,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:30:42,933 INFO L87 Difference]: Start difference. First operand 612 states and 797 transitions. Second operand 3 states. [2018-12-02 06:30:43,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:30:43,203 INFO L93 Difference]: Finished difference Result 1794 states and 2385 transitions. [2018-12-02 06:30:43,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:30:43,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2018-12-02 06:30:43,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:30:43,208 INFO L225 Difference]: With dead ends: 1794 [2018-12-02 06:30:43,208 INFO L226 Difference]: Without dead ends: 1188 [2018-12-02 06:30:43,209 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:30:43,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2018-12-02 06:30:43,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 1044. [2018-12-02 06:30:43,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1044 states. [2018-12-02 06:30:43,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1361 transitions. [2018-12-02 06:30:43,240 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1361 transitions. Word has length 121 [2018-12-02 06:30:43,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:30:43,240 INFO L480 AbstractCegarLoop]: Abstraction has 1044 states and 1361 transitions. [2018-12-02 06:30:43,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:30:43,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1361 transitions. [2018-12-02 06:30:43,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 06:30:43,242 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:30:43,243 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:30:43,243 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:30:43,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:30:43,243 INFO L82 PathProgramCache]: Analyzing trace with hash 535579249, now seen corresponding path program 1 times [2018-12-02 06:30:43,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:30:43,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:30:43,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:30:43,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:30:43,244 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:30:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:30:43,321 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 06:30:43,322 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:30:43,322 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:30:43,322 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-12-02 06:30:43,324 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [59], [63], [64], [68], [72], [76], [79], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:30:43,351 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:30:43,351 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:30:43,587 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:30:43,588 INFO L272 AbstractInterpreter]: Visited 109 different actions 109 times. Never merged. Never widened. Performed 1224 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1224 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-02 06:30:43,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:30:43,592 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:30:43,815 INFO L227 lantSequenceWeakener]: Weakened 141 states. On average, predicates are now at 80.75% of their original sizes. [2018-12-02 06:30:43,815 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:30:43,840 INFO L418 sIntCurrentIteration]: We unified 151 AI predicates to 151 [2018-12-02 06:30:43,840 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:30:43,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:30:43,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-02 06:30:43,841 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:30:43,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:30:43,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:30:43,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:30:43,842 INFO L87 Difference]: Start difference. First operand 1044 states and 1361 transitions. Second operand 6 states. [2018-12-02 06:30:45,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:30:45,853 INFO L93 Difference]: Finished difference Result 2230 states and 2919 transitions. [2018-12-02 06:30:45,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 06:30:45,854 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2018-12-02 06:30:45,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:30:45,856 INFO L225 Difference]: With dead ends: 2230 [2018-12-02 06:30:45,856 INFO L226 Difference]: Without dead ends: 1192 [2018-12-02 06:30:45,857 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:30:45,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2018-12-02 06:30:45,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1190. [2018-12-02 06:30:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2018-12-02 06:30:45,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1520 transitions. [2018-12-02 06:30:45,874 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1520 transitions. Word has length 152 [2018-12-02 06:30:45,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:30:45,875 INFO L480 AbstractCegarLoop]: Abstraction has 1190 states and 1520 transitions. [2018-12-02 06:30:45,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:30:45,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1520 transitions. [2018-12-02 06:30:45,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 06:30:45,877 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:30:45,877 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:30:45,877 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:30:45,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:30:45,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1927606987, now seen corresponding path program 1 times [2018-12-02 06:30:45,877 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:30:45,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:30:45,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:30:45,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:30:45,878 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:30:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:30:45,956 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:30:45,956 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:30:45,956 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:30:45,957 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-12-02 06:30:45,957 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:30:45,960 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:30:45,961 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:30:46,199 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:30:46,199 INFO L272 AbstractInterpreter]: Visited 112 different actions 328 times. Merged at 6 different actions 12 times. Never widened. Performed 3844 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3844 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-02 06:30:46,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:30:46,203 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:30:46,374 INFO L227 lantSequenceWeakener]: Weakened 154 states. On average, predicates are now at 84.23% of their original sizes. [2018-12-02 06:30:46,374 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:30:46,430 INFO L418 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-12-02 06:30:46,430 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:30:46,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:30:46,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-12-02 06:30:46,431 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:30:46,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 06:30:46,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 06:30:46,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:30:46,432 INFO L87 Difference]: Start difference. First operand 1190 states and 1520 transitions. Second operand 10 states. [2018-12-02 06:30:48,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:30:48,907 INFO L93 Difference]: Finished difference Result 3272 states and 4401 transitions. [2018-12-02 06:30:48,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 06:30:48,907 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2018-12-02 06:30:48,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:30:48,913 INFO L225 Difference]: With dead ends: 3272 [2018-12-02 06:30:48,913 INFO L226 Difference]: Without dead ends: 2088 [2018-12-02 06:30:48,915 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 167 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-02 06:30:48,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2088 states. [2018-12-02 06:30:48,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2088 to 2075. [2018-12-02 06:30:48,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2075 states. [2018-12-02 06:30:48,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 2075 states and 2704 transitions. [2018-12-02 06:30:48,947 INFO L78 Accepts]: Start accepts. Automaton has 2075 states and 2704 transitions. Word has length 157 [2018-12-02 06:30:48,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:30:48,947 INFO L480 AbstractCegarLoop]: Abstraction has 2075 states and 2704 transitions. [2018-12-02 06:30:48,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 06:30:48,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2704 transitions. [2018-12-02 06:30:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-02 06:30:48,951 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:30:48,951 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:30:48,951 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:30:48,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:30:48,952 INFO L82 PathProgramCache]: Analyzing trace with hash -103883909, now seen corresponding path program 1 times [2018-12-02 06:30:48,952 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:30:48,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:30:48,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:30:48,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:30:48,953 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:30:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:30:49,034 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 65 proven. 25 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 06:30:49,034 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:30:49,034 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:30:49,035 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-12-02 06:30:49,035 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:30:49,038 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:30:49,038 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:30:49,248 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:30:49,249 INFO L272 AbstractInterpreter]: Visited 114 different actions 452 times. Merged at 7 different actions 26 times. Never widened. Performed 5309 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5309 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-02 06:30:49,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:30:49,250 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:30:49,367 INFO L227 lantSequenceWeakener]: Weakened 173 states. On average, predicates are now at 86.64% of their original sizes. [2018-12-02 06:30:49,367 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:30:49,395 INFO L418 sIntCurrentIteration]: We unified 175 AI predicates to 175 [2018-12-02 06:30:49,396 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:30:49,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:30:49,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-02 06:30:49,396 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:30:49,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 06:30:49,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 06:30:49,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 06:30:49,397 INFO L87 Difference]: Start difference. First operand 2075 states and 2704 transitions. Second operand 9 states. [2018-12-02 06:30:51,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:30:51,214 INFO L93 Difference]: Finished difference Result 5239 states and 6926 transitions. [2018-12-02 06:30:51,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 06:30:51,214 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2018-12-02 06:30:51,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:30:51,219 INFO L225 Difference]: With dead ends: 5239 [2018-12-02 06:30:51,219 INFO L226 Difference]: Without dead ends: 2714 [2018-12-02 06:30:51,222 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 183 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-02 06:30:51,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2714 states. [2018-12-02 06:30:51,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2714 to 2671. [2018-12-02 06:30:51,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2671 states. [2018-12-02 06:30:51,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2671 states and 3385 transitions. [2018-12-02 06:30:51,256 INFO L78 Accepts]: Start accepts. Automaton has 2671 states and 3385 transitions. Word has length 176 [2018-12-02 06:30:51,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:30:51,256 INFO L480 AbstractCegarLoop]: Abstraction has 2671 states and 3385 transitions. [2018-12-02 06:30:51,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 06:30:51,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2671 states and 3385 transitions. [2018-12-02 06:30:51,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-02 06:30:51,260 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:30:51,260 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 06:30:51,261 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:30:51,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:30:51,261 INFO L82 PathProgramCache]: Analyzing trace with hash -410277584, now seen corresponding path program 1 times [2018-12-02 06:30:51,261 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:30:51,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:30:51,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:30:51,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:30:51,262 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:30:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:30:51,344 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 111 proven. 35 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 06:30:51,345 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:30:51,345 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:30:51,345 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-12-02 06:30:51,345 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [275], [278], [282], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:30:51,347 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:30:51,347 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:30:51,540 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:30:51,540 INFO L272 AbstractInterpreter]: Visited 116 different actions 455 times. Merged at 7 different actions 28 times. Widened at 1 different actions 1 times. Performed 5538 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5538 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-02 06:30:51,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:30:51,542 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:30:51,542 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:30:51,542 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1bfa0535-6909-4b57-908f-46e4faa7dfb5/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:30:51,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:30:51,548 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:30:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:30:51,605 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:30:51,652 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-02 06:30:51,652 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:30:51,772 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 111 proven. 35 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 06:30:51,787 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:30:51,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 06:30:51,787 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:30:51,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 06:30:51,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 06:30:51,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:30:51,788 INFO L87 Difference]: Start difference. First operand 2671 states and 3385 transitions. Second operand 9 states. [2018-12-02 06:30:52,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:30:52,336 INFO L93 Difference]: Finished difference Result 6459 states and 8300 transitions. [2018-12-02 06:30:52,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 06:30:52,336 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 219 [2018-12-02 06:30:52,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:30:52,347 INFO L225 Difference]: With dead ends: 6459 [2018-12-02 06:30:52,347 INFO L226 Difference]: Without dead ends: 3794 [2018-12-02 06:30:52,351 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 437 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-12-02 06:30:52,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3794 states. [2018-12-02 06:30:52,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3794 to 3612. [2018-12-02 06:30:52,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3612 states. [2018-12-02 06:30:52,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3612 states to 3612 states and 4562 transitions. [2018-12-02 06:30:52,404 INFO L78 Accepts]: Start accepts. Automaton has 3612 states and 4562 transitions. Word has length 219 [2018-12-02 06:30:52,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:30:52,404 INFO L480 AbstractCegarLoop]: Abstraction has 3612 states and 4562 transitions. [2018-12-02 06:30:52,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 06:30:52,404 INFO L276 IsEmpty]: Start isEmpty. Operand 3612 states and 4562 transitions. [2018-12-02 06:30:52,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-02 06:30:52,409 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:30:52,409 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 06:30:52,409 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:30:52,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:30:52,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1499710173, now seen corresponding path program 1 times [2018-12-02 06:30:52,409 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:30:52,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:30:52,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:30:52,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:30:52,410 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:30:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:30:52,506 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 116 proven. 34 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 06:30:52,506 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:30:52,506 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:30:52,506 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-12-02 06:30:52,506 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [275], [278], [282], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 06:30:52,508 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:30:52,508 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:30:52,655 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:30:52,655 INFO L272 AbstractInterpreter]: Visited 117 different actions 347 times. Merged at 8 different actions 22 times. Never widened. Performed 4166 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4166 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-02 06:30:52,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:30:52,662 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:30:52,663 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:30:52,663 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1bfa0535-6909-4b57-908f-46e4faa7dfb5/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:30:52,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:30:52,669 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:30:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:30:52,724 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:30:52,770 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 06:30:52,770 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:30:52,825 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 127 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-02 06:30:52,840 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:30:52,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2018-12-02 06:30:52,841 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:30:52,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 06:30:52,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 06:30:52,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-02 06:30:52,841 INFO L87 Difference]: Start difference. First operand 3612 states and 4562 transitions. Second operand 11 states. [2018-12-02 06:30:54,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:30:54,528 INFO L93 Difference]: Finished difference Result 6119 states and 7609 transitions. [2018-12-02 06:30:54,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-02 06:30:54,529 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 220 [2018-12-02 06:30:54,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:30:54,529 INFO L225 Difference]: With dead ends: 6119 [2018-12-02 06:30:54,529 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 06:30:54,533 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 448 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=622, Unknown=0, NotChecked=0, Total=812 [2018-12-02 06:30:54,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 06:30:54,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 06:30:54,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 06:30:54,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 06:30:54,534 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2018-12-02 06:30:54,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:30:54,534 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 06:30:54,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 06:30:54,534 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 06:30:54,534 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 06:30:54,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 06:30:54,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:30:55,122 WARN L180 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 80 [2018-12-02 06:30:55,237 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 41 [2018-12-02 06:30:55,308 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:30:55,309 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0)) [2018-12-02 06:30:55,309 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:30:55,309 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,309 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,309 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,309 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,309 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,309 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-02 06:30:55,309 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-02 06:30:55,309 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-02 06:30:55,309 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-02 06:30:55,309 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-02 06:30:55,309 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-02 06:30:55,309 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-02 06:30:55,309 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-02 06:30:55,310 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-02 06:30:55,310 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-02 06:30:55,310 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-02 06:30:55,310 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-02 06:30:55,310 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-02 06:30:55,310 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,310 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,310 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,310 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,310 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-02 06:30:55,310 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,310 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-02 06:30:55,311 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-02 06:30:55,311 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-02 06:30:55,311 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-02 06:30:55,311 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-02 06:30:55,311 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-02 06:30:55,311 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-02 06:30:55,311 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-02 06:30:55,311 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-02 06:30:55,311 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-02 06:30:55,311 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-02 06:30:55,311 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-02 06:30:55,311 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-02 06:30:55,311 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-02 06:30:55,311 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,312 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 478) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-02 06:30:55,313 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-02 06:30:55,314 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-02 06:30:55,315 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,315 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,315 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-02 06:30:55,315 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-02 06:30:55,315 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-02 06:30:55,315 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-02 06:30:55,315 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-02 06:30:55,315 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-02 06:30:55,315 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-02 06:30:55,315 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-02 06:30:55,315 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-02 06:30:55,315 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-02 06:30:55,315 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-02 06:30:55,315 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,315 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,315 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,315 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,315 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,315 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-02 06:30:55,316 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse10 (= 1 |old(~a25~0)|)) (.cse5 (not (= 1 ~a21~0))) (.cse6 (not (= 1 |old(~a19~0)|))) (.cse7 (= 0 |old(~a28~0)|)) (.cse0 (= ~a25~0 1))) (let ((.cse16 (< 0 |old(~a19~0)|)) (.cse13 (= |old(~a19~0)| ~a19~0)) (.cse19 (= 1 ~a11~0)) (.cse11 (< 10 |old(~a28~0)|)) (.cse17 (not .cse0)) (.cse8 (not (= 1 |old(~a11~0)|))) (.cse18 (< 7 |old(~a17~0)|)) (.cse1 (and (or .cse5 (not (= 10 |old(~a28~0)|)) (not .cse10) (not (= 0 |old(~a19~0)|))) (or .cse5 .cse6 .cse7))) (.cse2 (not (= 0 |old(~a11~0)|))) (.cse3 (not (= 8 |old(~a17~0)|))) (.cse4 (= |calculate_output_#in~input| 0)) (.cse12 (= |old(~a28~0)| ~a28~0)) (.cse14 (= ~a11~0 0)) (.cse9 (= 1 ~a19~0)) (.cse15 (= ~a17~0 8))) (and (or (or .cse0 (= ~a19~0 1)) .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse4 .cse8 .cse9 .cse10) (or .cse11 .cse5 .cse7 (and .cse12 .cse13 .cse14 .cse15) .cse2 .cse3 .cse16 .cse4) (or .cse17 .cse1 .cse2 .cse3 .cse4 .cse10) (or .cse11 .cse5 .cse7 .cse2 .cse3 .cse16 .cse4 .cse17 .cse10) (or (or .cse11 .cse8 .cse10) .cse16 .cse17 .cse18) (or .cse5 .cse8 (and (not (= ~a28~0 0)) .cse19 .cse15) .cse7 .cse3 .cse4) (or .cse5 (not (= 7 |old(~a28~0)|)) .cse6 .cse2 (= ~a25~0 0) .cse3 .cse4 (not (= 0 |old(~a25~0)|))) (or .cse5 .cse17 .cse7 .cse3 .cse4 .cse8 .cse10) (or (and (<= ~a17~0 |old(~a17~0)|) .cse12 .cse13 .cse19) .cse11 .cse8 .cse18) (or .cse11 .cse17 .cse6 .cse8 .cse18 .cse10) (or .cse6 .cse1 .cse2 .cse3 .cse4 (and .cse12 .cse14 .cse9 .cse15))))) [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-02 06:30:55,317 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-02 06:30:55,318 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-02 06:30:55,319 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-02 06:30:55,320 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-02 06:30:55,320 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-02 06:30:55,320 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:30:55,320 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-02 06:30:55,320 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 06:30:55,320 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:30:55,320 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7)) (not (= 0 |old(~a25~0)|))) [2018-12-02 06:30:55,320 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (= 1 ~a11~0)) (.cse2 (<= ~a28~0 10)) (.cse0 (= ~a11~0 0)) (.cse1 (not (= ~a28~0 0))) (.cse3 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (<= ~a19~0 0) .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse3) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 7) .cse4 .cse2) (and .cse0 .cse1 .cse3 (= ~a19~0 1)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-12-02 06:30:55,320 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-02 06:30:55,320 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-02 06:30:55,320 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (= 1 ~a11~0)) (.cse5 (= ~a11~0 0)) (.cse0 (not (= main_~input~0 0))) (.cse1 (not (= ~a28~0 0))) (.cse4 (<= ~a28~0 10)) (.cse3 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 7) .cse2 .cse4) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse5 .cse0 .cse1 (= 1 ~a19~0) .cse3) (and .cse5 .cse0 (<= ~a19~0 0) .cse1 .cse4 .cse3))) [2018-12-02 06:30:55,320 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-02 06:30:55,320 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-02 06:30:55,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:30:55 BoogieIcfgContainer [2018-12-02 06:30:55,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 06:30:55,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 06:30:55,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 06:30:55,328 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 06:30:55,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:30:41" (3/4) ... [2018-12-02 06:30:55,331 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 06:30:55,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 06:30:55,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 06:30:55,334 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 06:30:55,343 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 06:30:55,343 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 06:30:55,360 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == a21) || !(7 == \old(a28))) || ((((a11 == 0 && a19 <= 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a11))) || ((a17 <= 7 && 1 == a11) && a28 <= 10)) || (((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-12-02 06:30:55,404 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1bfa0535-6909-4b57-908f-46e4faa7dfb5/bin-2019/utaipan/witness.graphml [2018-12-02 06:30:55,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 06:30:55,405 INFO L168 Benchmark]: Toolchain (without parser) took 14759.85 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 800.6 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -301.7 MB). Peak memory consumption was 498.8 MB. Max. memory is 11.5 GB. [2018-12-02 06:30:55,405 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:30:55,405 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -185.1 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. [2018-12-02 06:30:55,406 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:30:55,406 INFO L168 Benchmark]: Boogie Preprocessor took 39.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 06:30:55,406 INFO L168 Benchmark]: RCFGBuilder took 628.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.0 MB). Peak memory consumption was 107.0 MB. Max. memory is 11.5 GB. [2018-12-02 06:30:55,406 INFO L168 Benchmark]: TraceAbstraction took 13688.42 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 651.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -248.6 MB). Peak memory consumption was 403.1 MB. Max. memory is 11.5 GB. [2018-12-02 06:30:55,406 INFO L168 Benchmark]: Witness Printer took 76.13 ms. Allocated memory is still 1.8 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-12-02 06:30:55,407 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 304.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -185.1 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 628.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.0 MB). Peak memory consumption was 107.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13688.42 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 651.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -248.6 MB). Peak memory consumption was 403.1 MB. Max. memory is 11.5 GB. * Witness Printer took 76.13 ms. Allocated memory is still 1.8 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 478]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((!(1 == a21) || !(7 == \old(a28))) || ((((a11 == 0 && a19 <= 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a11))) || ((a17 <= 7 && 1 == a11) && a28 <= 10)) || (((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 13.6s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 9.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 784 SDtfs, 5795 SDslu, 680 SDs, 0 SdLazy, 7334 SolverSat, 1421 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1444 GetRequests, 1356 SyntacticMatches, 7 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3612occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9965786958849714 AbsIntWeakeningRatio, 0.23236514522821577 AbsIntAvgWeakeningVarsNumRemoved, 24.740663900414937 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 389 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 104 PreInvPairs, 147 NumberOfFragments, 660 HoareAnnotationTreeSize, 104 FomulaSimplifications, 2770 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2169 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1708 NumberOfCodeBlocks, 1708 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2135 ConstructedInterpolants, 0 QuantifiedInterpolants, 694026 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1096 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 1056/1226 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...