./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label32_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_acfaab86-9e8b-4bf3-bdb8-bc32b032f2dd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_acfaab86-9e8b-4bf3-bdb8-bc32b032f2dd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_acfaab86-9e8b-4bf3-bdb8-bc32b032f2dd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_acfaab86-9e8b-4bf3-bdb8-bc32b032f2dd/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_acfaab86-9e8b-4bf3-bdb8-bc32b032f2dd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_acfaab86-9e8b-4bf3-bdb8-bc32b032f2dd/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 3c0664b7713eb65e7600fbc10e17bb0e628a6c66 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:36:20,885 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:36:20,886 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:36:20,893 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:36:20,893 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:36:20,893 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:36:20,894 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:36:20,895 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:36:20,896 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:36:20,896 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:36:20,897 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:36:20,897 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:36:20,897 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:36:20,898 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:36:20,899 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:36:20,899 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:36:20,899 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:36:20,900 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:36:20,901 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:36:20,902 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:36:20,903 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:36:20,903 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:36:20,905 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:36:20,905 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:36:20,905 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:36:20,905 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:36:20,906 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:36:20,906 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:36:20,907 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:36:20,907 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:36:20,908 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:36:20,908 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:36:20,908 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:36:20,908 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:36:20,909 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:36:20,909 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:36:20,909 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_acfaab86-9e8b-4bf3-bdb8-bc32b032f2dd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 00:36:20,916 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:36:20,917 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:36:20,917 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:36:20,917 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:36:20,917 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:36:20,917 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:36:20,918 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:36:20,918 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 00:36:20,918 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:36:20,918 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:36:20,918 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 00:36:20,918 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 00:36:20,918 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:36:20,919 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:36:20,919 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:36:20,919 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:36:20,919 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:36:20,919 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:36:20,919 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:36:20,919 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:36:20,919 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:36:20,920 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:36:20,920 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:36:20,920 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:36:20,920 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:36:20,920 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:36:20,920 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:36:20,920 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:36:20,920 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:36:20,920 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:36:20,921 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:36:20,921 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:36:20,921 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 00:36:20,921 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:36:20,921 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:36:20,921 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 00:36:20,921 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_acfaab86-9e8b-4bf3-bdb8-bc32b032f2dd/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 -> 3c0664b7713eb65e7600fbc10e17bb0e628a6c66 [2018-12-09 00:36:20,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:36:20,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:36:20,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:36:20,948 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:36:20,948 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:36:20,948 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_acfaab86-9e8b-4bf3-bdb8-bc32b032f2dd/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-12-09 00:36:20,984 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_acfaab86-9e8b-4bf3-bdb8-bc32b032f2dd/bin-2019/utaipan/data/e41f3adc5/c66f31da4ad34f92930f89dc287ba0ab/FLAG86923c2e6 [2018-12-09 00:36:21,361 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:36:21,361 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_acfaab86-9e8b-4bf3-bdb8-bc32b032f2dd/sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-12-09 00:36:21,368 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_acfaab86-9e8b-4bf3-bdb8-bc32b032f2dd/bin-2019/utaipan/data/e41f3adc5/c66f31da4ad34f92930f89dc287ba0ab/FLAG86923c2e6 [2018-12-09 00:36:21,722 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_acfaab86-9e8b-4bf3-bdb8-bc32b032f2dd/bin-2019/utaipan/data/e41f3adc5/c66f31da4ad34f92930f89dc287ba0ab [2018-12-09 00:36:21,724 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:36:21,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:36:21,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:36:21,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:36:21,728 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:36:21,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:36:21" (1/1) ... [2018-12-09 00:36:21,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4857c57f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:21, skipping insertion in model container [2018-12-09 00:36:21,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:36:21" (1/1) ... [2018-12-09 00:36:21,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:36:21,768 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:36:21,950 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:36:21,953 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:36:22,000 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:36:22,056 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:36:22,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:22 WrapperNode [2018-12-09 00:36:22,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:36:22,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:36:22,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:36:22,057 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:36:22,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:22" (1/1) ... [2018-12-09 00:36:22,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:22" (1/1) ... [2018-12-09 00:36:22,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:36:22,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:36:22,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:36:22,084 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:36:22,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:22" (1/1) ... [2018-12-09 00:36:22,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:22" (1/1) ... [2018-12-09 00:36:22,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:22" (1/1) ... [2018-12-09 00:36:22,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:22" (1/1) ... [2018-12-09 00:36:22,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:22" (1/1) ... [2018-12-09 00:36:22,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:22" (1/1) ... [2018-12-09 00:36:22,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:22" (1/1) ... [2018-12-09 00:36:22,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:36:22,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:36:22,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:36:22,132 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:36:22,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acfaab86-9e8b-4bf3-bdb8-bc32b032f2dd/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 [2018-12-09 00:36:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:36:22,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:36:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 00:36:22,176 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 00:36:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:36:22,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:36:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:36:22,176 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:36:22,696 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:36:22,696 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 00:36:22,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:36:22 BoogieIcfgContainer [2018-12-09 00:36:22,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:36:22,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:36:22,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:36:22,700 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:36:22,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:36:21" (1/3) ... [2018-12-09 00:36:22,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44242ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:36:22, skipping insertion in model container [2018-12-09 00:36:22,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:22" (2/3) ... [2018-12-09 00:36:22,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44242ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:36:22, skipping insertion in model container [2018-12-09 00:36:22,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:36:22" (3/3) ... [2018-12-09 00:36:22,703 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label32_true-unreach-call_false-termination.c [2018-12-09 00:36:22,711 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:36:22,718 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:36:22,730 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:36:22,749 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:36:22,750 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:36:22,750 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:36:22,750 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:36:22,750 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:36:22,750 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:36:22,750 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:36:22,750 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:36:22,764 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-09 00:36:22,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-09 00:36:22,771 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:36:22,771 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:36:22,773 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:36:22,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:36:22,776 INFO L82 PathProgramCache]: Analyzing trace with hash 2002898937, now seen corresponding path program 1 times [2018-12-09 00:36:22,778 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:36:22,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:36:22,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:36:22,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:36:22,807 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:36:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:23,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:36:23,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:36:23,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:36:23,021 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:36:23,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:36:23,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:36:23,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:36:23,040 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-09 00:36:23,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:36:23,517 INFO L93 Difference]: Finished difference Result 623 states and 1065 transitions. [2018-12-09 00:36:23,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:36:23,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-12-09 00:36:23,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:36:23,526 INFO L225 Difference]: With dead ends: 623 [2018-12-09 00:36:23,526 INFO L226 Difference]: Without dead ends: 325 [2018-12-09 00:36:23,530 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 [2018-12-09 00:36:23,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-12-09 00:36:23,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 321. [2018-12-09 00:36:23,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-09 00:36:23,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 473 transitions. [2018-12-09 00:36:23,569 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 473 transitions. Word has length 115 [2018-12-09 00:36:23,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:36:23,569 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 473 transitions. [2018-12-09 00:36:23,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:36:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 473 transitions. [2018-12-09 00:36:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-09 00:36:23,572 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:36:23,573 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:36:23,573 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:36:23,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:36:23,573 INFO L82 PathProgramCache]: Analyzing trace with hash 906357460, now seen corresponding path program 1 times [2018-12-09 00:36:23,573 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:36:23,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:36:23,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:36:23,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:36:23,574 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:36:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:36:23,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:36:23,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:36:23,652 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:36:23,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:36:23,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:36:23,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:36:23,653 INFO L87 Difference]: Start difference. First operand 321 states and 473 transitions. Second operand 6 states. [2018-12-09 00:36:24,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:36:24,050 INFO L93 Difference]: Finished difference Result 955 states and 1447 transitions. [2018-12-09 00:36:24,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:36:24,050 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-12-09 00:36:24,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:36:24,054 INFO L225 Difference]: With dead ends: 955 [2018-12-09 00:36:24,054 INFO L226 Difference]: Without dead ends: 640 [2018-12-09 00:36:24,055 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:36:24,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2018-12-09 00:36:24,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 623. [2018-12-09 00:36:24,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2018-12-09 00:36:24,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 903 transitions. [2018-12-09 00:36:24,081 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 903 transitions. Word has length 135 [2018-12-09 00:36:24,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:36:24,082 INFO L480 AbstractCegarLoop]: Abstraction has 623 states and 903 transitions. [2018-12-09 00:36:24,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:36:24,082 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 903 transitions. [2018-12-09 00:36:24,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 00:36:24,084 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:36:24,084 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:36:24,085 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:36:24,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:36:24,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1019013890, now seen corresponding path program 1 times [2018-12-09 00:36:24,085 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:36:24,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:36:24,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:36:24,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:36:24,086 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:36:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:24,201 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:36:24,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:36:24,202 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:36:24,202 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-12-09 00:36:24,204 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:36:24,234 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:36:24,234 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:36:24,484 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 00:36:24,485 INFO L272 AbstractInterpreter]: Visited 115 different actions 115 times. Never merged. Never widened. Performed 1279 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1279 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-09 00:36:24,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:36:24,496 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 00:36:24,679 INFO L227 lantSequenceWeakener]: Weakened 128 states. On average, predicates are now at 80.89% of their original sizes. [2018-12-09 00:36:24,680 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 00:36:24,698 INFO L418 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-12-09 00:36:24,698 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 00:36:24,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:36:24,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-12-09 00:36:24,699 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:36:24,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:36:24,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:36:24,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:36:24,700 INFO L87 Difference]: Start difference. First operand 623 states and 903 transitions. Second operand 6 states. [2018-12-09 00:36:26,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:36:26,539 INFO L93 Difference]: Finished difference Result 1388 states and 2013 transitions. [2018-12-09 00:36:26,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:36:26,539 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-12-09 00:36:26,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:36:26,541 INFO L225 Difference]: With dead ends: 1388 [2018-12-09 00:36:26,541 INFO L226 Difference]: Without dead ends: 771 [2018-12-09 00:36:26,541 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 136 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:36:26,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2018-12-09 00:36:26,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 769. [2018-12-09 00:36:26,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2018-12-09 00:36:26,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1060 transitions. [2018-12-09 00:36:26,555 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1060 transitions. Word has length 136 [2018-12-09 00:36:26,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:36:26,556 INFO L480 AbstractCegarLoop]: Abstraction has 769 states and 1060 transitions. [2018-12-09 00:36:26,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:36:26,556 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1060 transitions. [2018-12-09 00:36:26,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 00:36:26,557 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:36:26,557 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:36:26,558 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:36:26,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:36:26,558 INFO L82 PathProgramCache]: Analyzing trace with hash 259543279, now seen corresponding path program 1 times [2018-12-09 00:36:26,558 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:36:26,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:36:26,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:36:26,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:36:26,559 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:36:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:26,611 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:36:26,611 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:36:26,611 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:36:26,611 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-12-09 00:36:26,612 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:36:26,615 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:36:26,615 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:36:26,768 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 00:36:26,768 INFO L272 AbstractInterpreter]: Visited 119 different actions 232 times. Merged at 4 different actions 4 times. Never widened. Performed 2557 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2557 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-09 00:36:26,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:36:26,770 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 00:36:26,880 INFO L227 lantSequenceWeakener]: Weakened 140 states. On average, predicates are now at 80.92% of their original sizes. [2018-12-09 00:36:26,881 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 00:36:26,931 INFO L418 sIntCurrentIteration]: We unified 144 AI predicates to 144 [2018-12-09 00:36:26,931 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 00:36:26,932 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:36:26,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 00:36:26,932 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:36:26,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 00:36:26,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 00:36:26,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:36:26,932 INFO L87 Difference]: Start difference. First operand 769 states and 1060 transitions. Second operand 10 states. [2018-12-09 00:36:30,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:36:30,131 INFO L93 Difference]: Finished difference Result 1828 states and 2541 transitions. [2018-12-09 00:36:30,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 00:36:30,131 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 145 [2018-12-09 00:36:30,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:36:30,134 INFO L225 Difference]: With dead ends: 1828 [2018-12-09 00:36:30,135 INFO L226 Difference]: Without dead ends: 1065 [2018-12-09 00:36:30,136 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 154 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 00:36:30,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2018-12-09 00:36:30,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1062. [2018-12-09 00:36:30,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1062 states. [2018-12-09 00:36:30,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1397 transitions. [2018-12-09 00:36:30,159 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1397 transitions. Word has length 145 [2018-12-09 00:36:30,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:36:30,159 INFO L480 AbstractCegarLoop]: Abstraction has 1062 states and 1397 transitions. [2018-12-09 00:36:30,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 00:36:30,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1397 transitions. [2018-12-09 00:36:30,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 00:36:30,162 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:36:30,162 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:36:30,162 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:36:30,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:36:30,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1037393739, now seen corresponding path program 1 times [2018-12-09 00:36:30,163 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:36:30,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:36:30,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:36:30,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:36:30,164 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:36:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:36:30,213 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:36:30,213 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:36:30,213 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-12-09 00:36:30,213 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:36:30,216 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:36:30,216 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:36:30,311 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 00:36:30,311 INFO L272 AbstractInterpreter]: Visited 119 different actions 232 times. Merged at 4 different actions 4 times. Never widened. Performed 2633 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2633 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-09 00:36:30,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:36:30,314 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 00:36:30,415 INFO L227 lantSequenceWeakener]: Weakened 143 states. On average, predicates are now at 82.54% of their original sizes. [2018-12-09 00:36:30,415 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 00:36:30,463 INFO L418 sIntCurrentIteration]: We unified 147 AI predicates to 147 [2018-12-09 00:36:30,464 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 00:36:30,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:36:30,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 00:36:30,464 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:36:30,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 00:36:30,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 00:36:30,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:36:30,465 INFO L87 Difference]: Start difference. First operand 1062 states and 1397 transitions. Second operand 10 states. [2018-12-09 00:36:32,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:36:32,858 INFO L93 Difference]: Finished difference Result 2719 states and 3716 transitions. [2018-12-09 00:36:32,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-09 00:36:32,859 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 148 [2018-12-09 00:36:32,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:36:32,862 INFO L225 Difference]: With dead ends: 2719 [2018-12-09 00:36:32,862 INFO L226 Difference]: Without dead ends: 1663 [2018-12-09 00:36:32,863 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 00:36:32,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2018-12-09 00:36:32,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1655. [2018-12-09 00:36:32,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1655 states. [2018-12-09 00:36:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2125 transitions. [2018-12-09 00:36:32,884 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2125 transitions. Word has length 148 [2018-12-09 00:36:32,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:36:32,884 INFO L480 AbstractCegarLoop]: Abstraction has 1655 states and 2125 transitions. [2018-12-09 00:36:32,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 00:36:32,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2125 transitions. [2018-12-09 00:36:32,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 00:36:32,887 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:36:32,887 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:36:32,887 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:36:32,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:36:32,888 INFO L82 PathProgramCache]: Analyzing trace with hash -349928271, now seen corresponding path program 1 times [2018-12-09 00:36:32,888 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:36:32,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:36:32,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:36:32,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:36:32,888 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:36:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:32,935 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 51 proven. 15 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 00:36:32,935 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:36:32,935 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:36:32,935 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 166 with the following transitions: [2018-12-09 00:36:32,936 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:36:32,938 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:36:32,938 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:36:33,162 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 00:36:33,162 INFO L272 AbstractInterpreter]: Visited 121 different actions 483 times. Merged at 7 different actions 29 times. Never widened. Performed 5497 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5497 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 00:36:33,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:36:33,163 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 00:36:33,278 INFO L227 lantSequenceWeakener]: Weakened 160 states. On average, predicates are now at 84.59% of their original sizes. [2018-12-09 00:36:33,279 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 00:36:33,318 INFO L418 sIntCurrentIteration]: We unified 164 AI predicates to 164 [2018-12-09 00:36:33,318 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 00:36:33,318 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:36:33,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-09 00:36:33,318 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:36:33,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 00:36:33,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 00:36:33,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:36:33,319 INFO L87 Difference]: Start difference. First operand 1655 states and 2125 transitions. Second operand 9 states. [2018-12-09 00:36:35,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:36:35,607 INFO L93 Difference]: Finished difference Result 3772 states and 4972 transitions. [2018-12-09 00:36:35,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 00:36:35,608 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 165 [2018-12-09 00:36:35,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:36:35,612 INFO L225 Difference]: With dead ends: 3772 [2018-12-09 00:36:35,612 INFO L226 Difference]: Without dead ends: 2123 [2018-12-09 00:36:35,614 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 175 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2018-12-09 00:36:35,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2018-12-09 00:36:35,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 2111. [2018-12-09 00:36:35,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2111 states. [2018-12-09 00:36:35,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 2111 states and 2711 transitions. [2018-12-09 00:36:35,642 INFO L78 Accepts]: Start accepts. Automaton has 2111 states and 2711 transitions. Word has length 165 [2018-12-09 00:36:35,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:36:35,643 INFO L480 AbstractCegarLoop]: Abstraction has 2111 states and 2711 transitions. [2018-12-09 00:36:35,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 00:36:35,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2111 states and 2711 transitions. [2018-12-09 00:36:35,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-09 00:36:35,646 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:36:35,646 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:36:35,646 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:36:35,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:36:35,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1836776895, now seen corresponding path program 1 times [2018-12-09 00:36:35,646 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:36:35,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:36:35,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:36:35,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:36:35,647 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:36:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:35,701 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:36:35,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:36:35,702 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:36:35,702 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-12-09 00:36:35,702 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:36:35,704 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:36:35,704 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:36:35,853 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:36:35,853 INFO L272 AbstractInterpreter]: Visited 123 different actions 361 times. Merged at 7 different actions 18 times. Never widened. Performed 4332 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4332 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 00:36:35,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:36:35,855 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:36:35,855 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:36:35,855 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acfaab86-9e8b-4bf3-bdb8-bc32b032f2dd/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 [2018-12-09 00:36:35,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:36:35,861 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:36:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:35,916 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:36:35,959 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:36:35,959 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:36:36,022 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:36:36,048 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 00:36:36,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 00:36:36,048 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 00:36:36,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 00:36:36,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 00:36:36,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-09 00:36:36,049 INFO L87 Difference]: Start difference. First operand 2111 states and 2711 transitions. Second operand 9 states. [2018-12-09 00:36:37,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:36:37,237 INFO L93 Difference]: Finished difference Result 7848 states and 10490 transitions. [2018-12-09 00:36:37,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 00:36:37,238 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 171 [2018-12-09 00:36:37,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:36:37,245 INFO L225 Difference]: With dead ends: 7848 [2018-12-09 00:36:37,245 INFO L226 Difference]: Without dead ends: 4562 [2018-12-09 00:36:37,249 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 346 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2018-12-09 00:36:37,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4562 states. [2018-12-09 00:36:37,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4562 to 4562. [2018-12-09 00:36:37,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4562 states. [2018-12-09 00:36:37,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4562 states to 4562 states and 5526 transitions. [2018-12-09 00:36:37,296 INFO L78 Accepts]: Start accepts. Automaton has 4562 states and 5526 transitions. Word has length 171 [2018-12-09 00:36:37,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:36:37,296 INFO L480 AbstractCegarLoop]: Abstraction has 4562 states and 5526 transitions. [2018-12-09 00:36:37,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 00:36:37,296 INFO L276 IsEmpty]: Start isEmpty. Operand 4562 states and 5526 transitions. [2018-12-09 00:36:37,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-12-09 00:36:37,302 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:36:37,302 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:36:37,302 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:36:37,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:36:37,303 INFO L82 PathProgramCache]: Analyzing trace with hash 722405864, now seen corresponding path program 1 times [2018-12-09 00:36:37,303 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:36:37,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:36:37,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:36:37,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:36:37,303 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:36:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:37,368 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 139 proven. 30 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-12-09 00:36:37,368 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:36:37,368 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:36:37,368 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 252 with the following transitions: [2018-12-09 00:36:37,369 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [76], [79], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [155], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:36:37,370 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:36:37,370 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:36:37,555 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 00:36:37,556 INFO L272 AbstractInterpreter]: Visited 125 different actions 495 times. Merged at 8 different actions 31 times. Never widened. Performed 5701 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5701 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 00:36:37,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:36:37,560 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 00:36:37,720 INFO L227 lantSequenceWeakener]: Weakened 229 states. On average, predicates are now at 86.63% of their original sizes. [2018-12-09 00:36:37,720 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 00:36:37,872 INFO L418 sIntCurrentIteration]: We unified 250 AI predicates to 250 [2018-12-09 00:36:37,873 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 00:36:37,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:36:37,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-12-09 00:36:37,873 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:36:37,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 00:36:37,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 00:36:37,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2018-12-09 00:36:37,874 INFO L87 Difference]: Start difference. First operand 4562 states and 5526 transitions. Second operand 18 states. [2018-12-09 00:36:42,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:36:42,792 INFO L93 Difference]: Finished difference Result 7130 states and 8710 transitions. [2018-12-09 00:36:42,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-12-09 00:36:42,792 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 251 [2018-12-09 00:36:42,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:36:42,792 INFO L225 Difference]: With dead ends: 7130 [2018-12-09 00:36:42,792 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 00:36:42,798 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 268 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=228, Invalid=1032, Unknown=0, NotChecked=0, Total=1260 [2018-12-09 00:36:42,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 00:36:42,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 00:36:42,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 00:36:42,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 00:36:42,798 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 251 [2018-12-09 00:36:42,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:36:42,799 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 00:36:42,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 00:36:42,799 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 00:36:42,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:36:42,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 00:36:42,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:36:42,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:36:42,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:36:42,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:36:42,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:36:42,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:36:42,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:36:43,509 WARN L180 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 82 [2018-12-09 00:36:43,633 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2018-12-09 00:36:43,708 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:36:43,708 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= |old(~a25~0)| ~a25~0)) [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-09 00:36:43,709 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,710 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-09 00:36:43,711 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-09 00:36:43,712 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-09 00:36:43,713 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-09 00:36:43,714 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-09 00:36:43,715 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-09 00:36:43,715 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-09 00:36:43,715 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-09 00:36:43,715 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-09 00:36:43,715 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-09 00:36:43,715 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-09 00:36:43,715 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-09 00:36:43,715 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-09 00:36:43,715 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-09 00:36:43,715 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-09 00:36:43,715 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-09 00:36:43,715 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-09 00:36:43,715 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,715 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,715 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,715 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse10 (= 8 |old(~a28~0)|))) (let ((.cse1 (= 1 |old(~a11~0)|)) (.cse2 (= ~a28~0 8)) (.cse0 (not (= 1 ~a21~0))) (.cse3 (not .cse10))) (let ((.cse6 (not (= 0 |old(~a25~0)|))) (.cse7 (not (= 0 |old(~a11~0)|))) (.cse18 (and (or .cse0 (not (= 7 |old(~a28~0)|))) (or .cse0 .cse3))) (.cse8 (= ~a28~0 7)) (.cse12 (= ~a11~0 |old(~a11~0)|)) (.cse13 (not .cse2)) (.cse11 (<= ~a17~0 |old(~a17~0)|)) (.cse15 (< 7 |old(~a17~0)|)) (.cse16 (= 1 |old(~a25~0)|)) (.cse22 (not (= ~a28~0 0))) (.cse19 (= 1 ~a11~0)) (.cse20 (= ~a17~0 8)) (.cse14 (= |old(~a25~0)| ~a25~0)) (.cse21 (not .cse1)) (.cse9 (not (= 1 |old(~a19~0)|))) (.cse17 (= 0 |old(~a28~0)|)) (.cse4 (not (= 8 |old(~a17~0)|))) (.cse5 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (or .cse0 (not (= 10 |old(~a28~0)|))) .cse7 .cse5 (or .cse8 (= ~a28~0 10)) .cse9 .cse4 .cse6) (or .cse10 (and .cse11 .cse12 .cse13 .cse14) .cse15) (or (or .cse0 (not (= 11 |old(~a28~0)|)) (not .cse16)) .cse9 .cse7 .cse4 .cse5 (= ~a28~0 11)) (or .cse0 .cse9 .cse17 .cse10 .cse4 .cse5 .cse13) (or .cse18 (and .cse19 .cse20 .cse14 .cse8) .cse10 .cse4 .cse5 .cse21) (or .cse1 .cse18 (and .cse12 (or .cse2 .cse8) .cse20 .cse14) .cse4 .cse5) (or .cse0 .cse1 .cse17 .cse10 (and .cse12 .cse22 .cse13 .cse20 .cse14) .cse4 .cse5) (or (and .cse11 .cse19 .cse14) .cse21 .cse15 .cse16) (or .cse0 .cse9 .cse17 .cse4 (and .cse22 .cse19 .cse20 .cse14) .cse5 .cse21) (or .cse0 (= ~a19~0 1) .cse9 .cse17 .cse4 .cse5))))) [2018-12-09 00:36:43,715 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,715 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,715 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,715 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-09 00:36:43,716 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-09 00:36:43,717 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-09 00:36:43,718 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-09 00:36:43,718 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-09 00:36:43,718 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 499) no Hoare annotation was computed. [2018-12-09 00:36:43,718 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-09 00:36:43,718 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-09 00:36:43,718 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-09 00:36:43,718 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-09 00:36:43,718 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-09 00:36:43,718 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:36:43,718 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)) [2018-12-09 00:36:43,718 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:36:43,718 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:36:43,718 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)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8) (= |old(~a25~0)| ~a25~0) (= ~a19~0 1) (= ~a28~0 7)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-09 00:36:43,718 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (not (= main_~input~0 0))) (.cse5 (<= ~a17~0 7)) (.cse3 (= ~a28~0 7)) (.cse1 (not (= ~a28~0 0))) (.cse4 (= 1 ~a11~0)) (.cse2 (= ~a17~0 8)) (.cse6 (= ~a19~0 1))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (= ~a11~0 |old(~a11~0)|) .cse1 .cse2) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse3 .cse4 .cse2) (and .cse5 (not (= ~a25~0 1)) .cse4) (and .cse5 (not (= ~a28~0 8))) (and .cse2 .cse6 .cse3 (and (= ~a11~0 0) (= ~a25~0 0))) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse4 .cse2 .cse6) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-12-09 00:36:43,718 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-09 00:36:43,718 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-09 00:36:43,718 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (<= ~a17~0 7)) (.cse0 (not (= main_~input~0 0))) (.cse1 (not (= ~a28~0 0))) (.cse3 (= 1 ~a11~0)) (.cse2 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (= ~a11~0 |old(~a11~0)|) .cse1 .cse2) (not (= 0 |old(~a11~0)|)) (and .cse0 (= ~a28~0 7) .cse3 .cse2) (and .cse4 (not (= ~a25~0 1)) .cse3) (and .cse4 (not (= ~a28~0 8))) (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse3 .cse2 (= ~a19~0 1)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-12-09 00:36:43,718 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-09 00:36:43,718 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-09 00:36:43,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:36:43 BoogieIcfgContainer [2018-12-09 00:36:43,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:36:43,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:36:43,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:36:43,727 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:36:43,727 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:36:22" (3/4) ... [2018-12-09 00:36:43,729 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:36:43,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 00:36:43,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 00:36:43,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 00:36:43,739 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 00:36:43,739 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 00:36:43,755 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == a21) || !(7 == \old(a28))) || (((!(input == 0) && a11 == \old(a11)) && !(a28 == 0)) && a17 == 8)) || !(0 == \old(a11))) || (((!(input == 0) && a28 == 7) && 1 == a11) && a17 == 8)) || ((a17 <= 7 && !(a25 == 1)) && 1 == a11)) || (a17 <= 7 && !(a28 == 8))) || (((a17 == 8 && a19 == 1) && a28 == 7) && a11 == 0 && a25 == 0)) || !(1 == \old(a19))) || (((!(a28 == 0) && 1 == a11) && a17 == 8) && a19 == 1)) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-12-09 00:36:43,805 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_acfaab86-9e8b-4bf3-bdb8-bc32b032f2dd/bin-2019/utaipan/witness.graphml [2018-12-09 00:36:43,806 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:36:43,806 INFO L168 Benchmark]: Toolchain (without parser) took 22081.49 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -222.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-09 00:36:43,807 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:36:43,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -198.2 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:36:43,807 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:36:43,807 INFO L168 Benchmark]: Boogie Preprocessor took 48.51 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. [2018-12-09 00:36:43,807 INFO L168 Benchmark]: RCFGBuilder took 564.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.8 MB). Peak memory consumption was 106.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:36:43,807 INFO L168 Benchmark]: TraceAbstraction took 21029.44 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -167.9 MB). Peak memory consumption was 932.6 MB. Max. memory is 11.5 GB. [2018-12-09 00:36:43,808 INFO L168 Benchmark]: Witness Printer took 78.72 ms. Allocated memory is still 2.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:36:43,809 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 330.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -198.2 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.51 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 564.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.8 MB). Peak memory consumption was 106.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21029.44 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -167.9 MB). Peak memory consumption was 932.6 MB. Max. memory is 11.5 GB. * Witness Printer took 78.72 ms. Allocated memory is still 2.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 499]: 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))) || (((!(input == 0) && a11 == \old(a11)) && !(a28 == 0)) && a17 == 8)) || !(0 == \old(a11))) || (((!(input == 0) && a28 == 7) && 1 == a11) && a17 == 8)) || ((a17 <= 7 && !(a25 == 1)) && 1 == a11)) || (a17 <= 7 && !(a28 == 8))) || (((a17 == 8 && a19 == 1) && a28 == 7) && a11 == 0 && a25 == 0)) || !(1 == \old(a19))) || (((!(a28 == 0) && 1 == a11) && a17 == 8) && a19 == 1)) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 20.9s OverallTime, 8 OverallIterations, 7 TraceHistogramMax, 16.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 655 SDtfs, 5928 SDslu, 870 SDs, 0 SdLazy, 8957 SolverSat, 1583 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 1273 GetRequests, 1147 SyntacticMatches, 4 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4562occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 6 AbstIntIterations, 5 AbstIntStrong, 0.9963223147139564 AbsIntWeakeningRatio, 0.23809523809523808 AbsIntAvgWeakeningVarsNumRemoved, 25.382142857142856 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 46 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 106 PreInvPairs, 163 NumberOfFragments, 623 HoareAnnotationTreeSize, 106 FomulaSimplifications, 4755 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2267 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 1437 NumberOfCodeBlocks, 1437 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1598 ConstructedInterpolants, 0 QuantifiedInterpolants, 452538 SizeOfPredicates, 1 NumberOfNonLiveVariables, 469 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 737/805 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...