./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b5f2cba2-bdc2-498a-a7fc-d75c1562cae5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b5f2cba2-bdc2-498a-a7fc-d75c1562cae5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b5f2cba2-bdc2-498a-a7fc-d75c1562cae5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b5f2cba2-bdc2-498a-a7fc-d75c1562cae5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b5f2cba2-bdc2-498a-a7fc-d75c1562cae5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b5f2cba2-bdc2-498a-a7fc-d75c1562cae5/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 7013b5440d15c52781747fe18e114861ef321ee3 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:23:22,887 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:23:22,888 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:23:22,896 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:23:22,896 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:23:22,897 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:23:22,897 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:23:22,898 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:23:22,899 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:23:22,900 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:23:22,901 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:23:22,901 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:23:22,901 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:23:22,902 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:23:22,903 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:23:22,903 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:23:22,904 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:23:22,905 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:23:22,906 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:23:22,907 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:23:22,908 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:23:22,909 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:23:22,911 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:23:22,911 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:23:22,911 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:23:22,912 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:23:22,913 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:23:22,913 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:23:22,914 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:23:22,914 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:23:22,915 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:23:22,915 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:23:22,915 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:23:22,916 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:23:22,916 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:23:22,916 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:23:22,917 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b5f2cba2-bdc2-498a-a7fc-d75c1562cae5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 07:23:22,924 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:23:22,925 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:23:22,925 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:23:22,925 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:23:22,926 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:23:22,926 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:23:22,926 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:23:22,926 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 07:23:22,926 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:23:22,926 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:23:22,926 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 07:23:22,926 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 07:23:22,927 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:23:22,927 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:23:22,927 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:23:22,927 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:23:22,928 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:23:22,928 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:23:22,928 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:23:22,928 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:23:22,928 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:23:22,928 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:23:22,928 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:23:22,929 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:23:22,929 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:23:22,929 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:23:22,929 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:23:22,929 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:23:22,929 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:23:22,929 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:23:22,930 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:23:22,930 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:23:22,930 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:23:22,930 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 07:23:22,930 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:23:22,930 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:23:22,930 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 07:23:22,930 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_b5f2cba2-bdc2-498a-a7fc-d75c1562cae5/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 -> 7013b5440d15c52781747fe18e114861ef321ee3 [2018-11-23 07:23:22,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:23:22,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:23:22,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:23:22,968 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:23:22,968 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:23:22,969 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b5f2cba2-bdc2-498a-a7fc-d75c1562cae5/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c [2018-11-23 07:23:23,012 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5f2cba2-bdc2-498a-a7fc-d75c1562cae5/bin-2019/utaipan/data/47d587fe6/913613ad2e75402b8975173a7ff5e605/FLAG9c3c93ff4 [2018-11-23 07:23:23,403 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:23:23,404 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b5f2cba2-bdc2-498a-a7fc-d75c1562cae5/sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c [2018-11-23 07:23:23,413 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5f2cba2-bdc2-498a-a7fc-d75c1562cae5/bin-2019/utaipan/data/47d587fe6/913613ad2e75402b8975173a7ff5e605/FLAG9c3c93ff4 [2018-11-23 07:23:23,774 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b5f2cba2-bdc2-498a-a7fc-d75c1562cae5/bin-2019/utaipan/data/47d587fe6/913613ad2e75402b8975173a7ff5e605 [2018-11-23 07:23:23,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:23:23,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:23:23,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:23:23,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:23:23,781 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:23:23,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:23:23" (1/1) ... [2018-11-23 07:23:23,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b5c9f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:23, skipping insertion in model container [2018-11-23 07:23:23,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:23:23" (1/1) ... [2018-11-23 07:23:23,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:23:23,826 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:23:24,037 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:23:24,041 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:23:24,105 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:23:24,116 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:23:24,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:24 WrapperNode [2018-11-23 07:23:24,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:23:24,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:23:24,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:23:24,117 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:23:24,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:24" (1/1) ... [2018-11-23 07:23:24,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:24" (1/1) ... [2018-11-23 07:23:24,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:23:24,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:23:24,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:23:24,193 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:23:24,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:24" (1/1) ... [2018-11-23 07:23:24,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:24" (1/1) ... [2018-11-23 07:23:24,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:24" (1/1) ... [2018-11-23 07:23:24,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:24" (1/1) ... [2018-11-23 07:23:24,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:24" (1/1) ... [2018-11-23 07:23:24,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:24" (1/1) ... [2018-11-23 07:23:24,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:24" (1/1) ... [2018-11-23 07:23:24,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:23:24,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:23:24,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:23:24,245 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:23:24,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b5f2cba2-bdc2-498a-a7fc-d75c1562cae5/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:23:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 07:23:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:23:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:23:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 07:23:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 07:23:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:23:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:23:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:23:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:23:25,224 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:23:25,224 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 07:23:25,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:23:25 BoogieIcfgContainer [2018-11-23 07:23:25,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:23:25,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:23:25,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:23:25,229 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:23:25,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:23:23" (1/3) ... [2018-11-23 07:23:25,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758f0323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:23:25, skipping insertion in model container [2018-11-23 07:23:25,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:23:24" (2/3) ... [2018-11-23 07:23:25,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758f0323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:23:25, skipping insertion in model container [2018-11-23 07:23:25,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:23:25" (3/3) ... [2018-11-23 07:23:25,232 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label54_true-unreach-call_false-termination.c [2018-11-23 07:23:25,238 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:23:25,244 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:23:25,254 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:23:25,277 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:23:25,277 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:23:25,277 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:23:25,277 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:23:25,277 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:23:25,277 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:23:25,277 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:23:25,277 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:23:25,296 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 07:23:25,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 07:23:25,303 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:23:25,304 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] [2018-11-23 07:23:25,306 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:23:25,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:25,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1789175463, now seen corresponding path program 1 times [2018-11-23 07:23:25,311 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:23:25,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:25,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:23:25,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:25,341 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:23:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:23:25,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:23:25,586 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:23:25,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:23:25,586 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:23:25,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:23:25,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:23:25,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:23:25,600 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-23 07:23:26,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:23:26,202 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-23 07:23:26,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:23:26,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-11-23 07:23:26,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:23:26,215 INFO L225 Difference]: With dead ends: 618 [2018-11-23 07:23:26,215 INFO L226 Difference]: Without dead ends: 380 [2018-11-23 07:23:26,219 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:23:26,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-11-23 07:23:26,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-11-23 07:23:26,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-11-23 07:23:26,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 606 transitions. [2018-11-23 07:23:26,267 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 606 transitions. Word has length 107 [2018-11-23 07:23:26,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:23:26,268 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 606 transitions. [2018-11-23 07:23:26,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:23:26,268 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 606 transitions. [2018-11-23 07:23:26,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-23 07:23:26,272 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:23:26,273 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:23:26,273 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:23:26,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:26,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1651920546, now seen corresponding path program 1 times [2018-11-23 07:23:26,274 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:23:26,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:26,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:23:26,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:26,275 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:23:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:23:26,363 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:23:26,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:23:26,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:23:26,364 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:23:26,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:23:26,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:23:26,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:23:26,366 INFO L87 Difference]: Start difference. First operand 380 states and 606 transitions. Second operand 3 states. [2018-11-23 07:23:26,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:23:26,787 INFO L93 Difference]: Finished difference Result 1043 states and 1729 transitions. [2018-11-23 07:23:26,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:23:26,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-11-23 07:23:26,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:23:26,791 INFO L225 Difference]: With dead ends: 1043 [2018-11-23 07:23:26,791 INFO L226 Difference]: Without dead ends: 669 [2018-11-23 07:23:26,794 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:23:26,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2018-11-23 07:23:26,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2018-11-23 07:23:26,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-11-23 07:23:26,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 1031 transitions. [2018-11-23 07:23:26,822 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 1031 transitions. Word has length 115 [2018-11-23 07:23:26,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:23:26,823 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 1031 transitions. [2018-11-23 07:23:26,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:23:26,823 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1031 transitions. [2018-11-23 07:23:26,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 07:23:26,826 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:23:26,826 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:23:26,827 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:23:26,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:26,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1194422463, now seen corresponding path program 1 times [2018-11-23 07:23:26,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:23:26,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:26,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:23:26,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:26,828 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:23:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:23:26,910 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:23:26,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:23:26,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:23:26,911 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:23:26,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:23:26,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:23:26,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:23:26,912 INFO L87 Difference]: Start difference. First operand 669 states and 1031 transitions. Second operand 6 states. [2018-11-23 07:23:27,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:23:27,554 INFO L93 Difference]: Finished difference Result 2184 states and 3527 transitions. [2018-11-23 07:23:27,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:23:27,555 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-11-23 07:23:27,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:23:27,563 INFO L225 Difference]: With dead ends: 2184 [2018-11-23 07:23:27,563 INFO L226 Difference]: Without dead ends: 1521 [2018-11-23 07:23:27,567 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 [2018-11-23 07:23:27,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2018-11-23 07:23:27,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1494. [2018-11-23 07:23:27,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1494 states. [2018-11-23 07:23:27,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 2206 transitions. [2018-11-23 07:23:27,608 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 2206 transitions. Word has length 129 [2018-11-23 07:23:27,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:23:27,608 INFO L480 AbstractCegarLoop]: Abstraction has 1494 states and 2206 transitions. [2018-11-23 07:23:27,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:23:27,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 2206 transitions. [2018-11-23 07:23:27,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 07:23:27,611 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:23:27,611 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:23:27,611 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:23:27,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:27,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1695944947, now seen corresponding path program 1 times [2018-11-23 07:23:27,612 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:23:27,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:27,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:23:27,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:27,612 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:23:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:23:27,697 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:23:27,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:23:27,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:23:27,697 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:23:27,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:23:27,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:23:27,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:23:27,698 INFO L87 Difference]: Start difference. First operand 1494 states and 2206 transitions. Second operand 6 states. [2018-11-23 07:23:28,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:23:28,273 INFO L93 Difference]: Finished difference Result 3702 states and 5515 transitions. [2018-11-23 07:23:28,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:23:28,273 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-11-23 07:23:28,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:23:28,280 INFO L225 Difference]: With dead ends: 3702 [2018-11-23 07:23:28,280 INFO L226 Difference]: Without dead ends: 2214 [2018-11-23 07:23:28,283 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 [2018-11-23 07:23:28,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2018-11-23 07:23:28,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 2175. [2018-11-23 07:23:28,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2175 states. [2018-11-23 07:23:28,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 3028 transitions. [2018-11-23 07:23:28,320 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 3028 transitions. Word has length 135 [2018-11-23 07:23:28,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:23:28,320 INFO L480 AbstractCegarLoop]: Abstraction has 2175 states and 3028 transitions. [2018-11-23 07:23:28,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:23:28,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 3028 transitions. [2018-11-23 07:23:28,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 07:23:28,324 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:23:28,324 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:23:28,324 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:23:28,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:28,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1552967928, now seen corresponding path program 1 times [2018-11-23 07:23:28,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:23:28,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:28,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:23:28,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:28,325 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:23:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:23:28,450 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:23:28,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:23:28,450 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:23:28,451 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-11-23 07:23:28,452 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [535], [537], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 07:23:28,482 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:23:28,482 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:23:29,037 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:23:29,037 INFO L272 AbstractInterpreter]: Visited 112 different actions 329 times. Merged at 6 different actions 15 times. Never widened. Performed 4021 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4021 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 07:23:29,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:29,050 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:23:29,050 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:23:29,050 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b5f2cba2-bdc2-498a-a7fc-d75c1562cae5/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:23:29,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:23:29,063 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:23:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:23:29,117 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:23:29,163 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:23:29,164 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:23:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:23:29,230 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:23:29,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-23 07:23:29,230 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:23:29,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:23:29,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:23:29,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:23:29,231 INFO L87 Difference]: Start difference. First operand 2175 states and 3028 transitions. Second operand 3 states. [2018-11-23 07:23:29,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:23:29,629 INFO L93 Difference]: Finished difference Result 6088 states and 8692 transitions. [2018-11-23 07:23:29,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:23:29,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2018-11-23 07:23:29,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:23:29,635 INFO L225 Difference]: With dead ends: 6088 [2018-11-23 07:23:29,635 INFO L226 Difference]: Without dead ends: 1830 [2018-11-23 07:23:29,642 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 284 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:23:29,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2018-11-23 07:23:29,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1813. [2018-11-23 07:23:29,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1813 states. [2018-11-23 07:23:29,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 2347 transitions. [2018-11-23 07:23:29,669 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 2347 transitions. Word has length 142 [2018-11-23 07:23:29,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:23:29,669 INFO L480 AbstractCegarLoop]: Abstraction has 1813 states and 2347 transitions. [2018-11-23 07:23:29,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:23:29,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2347 transitions. [2018-11-23 07:23:29,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 07:23:29,672 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:23:29,672 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:23:29,673 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:23:29,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:29,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1301222022, now seen corresponding path program 1 times [2018-11-23 07:23:29,673 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:23:29,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:29,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:23:29,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:29,674 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:23:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:23:29,774 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:23:29,774 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:23:29,774 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:23:29,774 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-11-23 07:23:29,775 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [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], [535], [537], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 07:23:29,778 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:23:29,778 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:23:29,862 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:23:29,862 INFO L272 AbstractInterpreter]: Visited 108 different actions 108 times. Never merged. Never widened. Performed 1234 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1234 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-23 07:23:29,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:29,865 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:23:30,063 INFO L227 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 80.73% of their original sizes. [2018-11-23 07:23:30,063 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:23:30,093 INFO L415 sIntCurrentIteration]: We unified 147 AI predicates to 147 [2018-11-23 07:23:30,093 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:23:30,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:23:30,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-23 07:23:30,094 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:23:30,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:23:30,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:23:30,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:23:30,094 INFO L87 Difference]: Start difference. First operand 1813 states and 2347 transitions. Second operand 6 states. [2018-11-23 07:23:32,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:23:32,112 INFO L93 Difference]: Finished difference Result 3768 states and 4865 transitions. [2018-11-23 07:23:32,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:23:32,112 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2018-11-23 07:23:32,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:23:32,117 INFO L225 Difference]: With dead ends: 3768 [2018-11-23 07:23:32,117 INFO L226 Difference]: Without dead ends: 1961 [2018-11-23 07:23:32,119 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:23:32,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2018-11-23 07:23:32,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1959. [2018-11-23 07:23:32,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1959 states. [2018-11-23 07:23:32,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 2504 transitions. [2018-11-23 07:23:32,145 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 2504 transitions. Word has length 148 [2018-11-23 07:23:32,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:23:32,145 INFO L480 AbstractCegarLoop]: Abstraction has 1959 states and 2504 transitions. [2018-11-23 07:23:32,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:23:32,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 2504 transitions. [2018-11-23 07:23:32,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 07:23:32,148 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:23:32,148 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:23:32,148 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:23:32,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:32,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1564908668, now seen corresponding path program 1 times [2018-11-23 07:23:32,148 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:23:32,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:32,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:23:32,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:32,149 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:23:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:23:32,219 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:23:32,220 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:23:32,220 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:23:32,220 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-11-23 07:23:32,221 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [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], [535], [537], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 07:23:32,223 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:23:32,224 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:23:32,429 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:23:32,430 INFO L272 AbstractInterpreter]: Visited 112 different actions 329 times. Merged at 6 different actions 15 times. Never widened. Performed 3952 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3952 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 07:23:32,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:32,440 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:23:32,441 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:23:32,441 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b5f2cba2-bdc2-498a-a7fc-d75c1562cae5/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:23:32,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:23:32,453 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:23:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:23:32,494 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:23:32,532 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:23:32,533 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:23:32,571 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:23:32,586 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:23:32,587 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-11-23 07:23:32,587 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:23:32,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:23:32,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:23:32,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:23:32,588 INFO L87 Difference]: Start difference. First operand 1959 states and 2504 transitions. Second operand 3 states. [2018-11-23 07:23:32,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:23:32,898 INFO L93 Difference]: Finished difference Result 4964 states and 6530 transitions. [2018-11-23 07:23:32,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:23:32,898 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2018-11-23 07:23:32,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:23:32,906 INFO L225 Difference]: With dead ends: 4964 [2018-11-23 07:23:32,906 INFO L226 Difference]: Without dead ends: 3011 [2018-11-23 07:23:32,910 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:23:32,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3011 states. [2018-11-23 07:23:33,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3011 to 3009. [2018-11-23 07:23:33,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3009 states. [2018-11-23 07:23:33,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 3009 states and 3703 transitions. [2018-11-23 07:23:33,007 INFO L78 Accepts]: Start accepts. Automaton has 3009 states and 3703 transitions. Word has length 148 [2018-11-23 07:23:33,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:23:33,007 INFO L480 AbstractCegarLoop]: Abstraction has 3009 states and 3703 transitions. [2018-11-23 07:23:33,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:23:33,007 INFO L276 IsEmpty]: Start isEmpty. Operand 3009 states and 3703 transitions. [2018-11-23 07:23:33,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 07:23:33,013 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:23:33,013 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 07:23:33,013 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:23:33,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:33,013 INFO L82 PathProgramCache]: Analyzing trace with hash 318687211, now seen corresponding path program 1 times [2018-11-23 07:23:33,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:23:33,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:33,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:23:33,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:23:33,014 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:23:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:23:33,108 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 46 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:23:33,108 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:23:33,108 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:23:33,109 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-11-23 07:23:33,109 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [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], [535], [537], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 07:23:33,111 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:23:33,111 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:23:33,379 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:23:33,379 INFO L272 AbstractInterpreter]: Visited 112 different actions 331 times. Merged at 6 different actions 15 times. Never widened. Performed 3864 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3864 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 07:23:33,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:23:33,393 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:23:33,594 INFO L227 lantSequenceWeakener]: Weakened 154 states. On average, predicates are now at 84.36% of their original sizes. [2018-11-23 07:23:33,594 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:23:33,645 INFO L415 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-11-23 07:23:33,645 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:23:33,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:23:33,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-23 07:23:33,645 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:23:33,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 07:23:33,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 07:23:33,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 07:23:33,646 INFO L87 Difference]: Start difference. First operand 3009 states and 3703 transitions. Second operand 9 states. [2018-11-23 07:23:36,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:23:36,633 INFO L93 Difference]: Finished difference Result 6042 states and 7307 transitions. [2018-11-23 07:23:36,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 07:23:36,633 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-11-23 07:23:36,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:23:36,634 INFO L225 Difference]: With dead ends: 6042 [2018-11-23 07:23:36,634 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 07:23:36,642 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 163 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-23 07:23:36,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 07:23:36,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 07:23:36,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 07:23:36,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:23:36,642 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-11-23 07:23:36,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:23:36,643 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:23:36,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 07:23:36,643 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:23:36,643 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:23:36,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 07:23:36,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:23:36,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:23:36,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:23:36,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:23:36,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:23:36,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:23:36,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:23:37,162 WARN L180 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 69 [2018-11-23 07:23:37,356 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:23:37,356 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a25~0)| ~a25~0)) [2018-11-23 07:23:37,356 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:23:37,356 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,356 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,356 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,356 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,357 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,357 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 07:23:37,357 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 07:23:37,357 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 07:23:37,357 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 07:23:37,357 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 07:23:37,357 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 07:23:37,357 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 07:23:37,357 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 07:23:37,357 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 07:23:37,357 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 07:23:37,357 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 07:23:37,357 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 07:23:37,357 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 07:23:37,357 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,357 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,357 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,357 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,357 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 07:23:37,358 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 07:23:37,359 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,360 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 07:23:37,361 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,361 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 07:23:37,361 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,361 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 07:23:37,361 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 07:23:37,361 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 07:23:37,361 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,361 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,361 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 07:23:37,361 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 07:23:37,361 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 07:23:37,361 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 07:23:37,361 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 07:23:37,361 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 07:23:37,361 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,362 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,363 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,364 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse4 (= |old(~a28~0)| ~a28~0)) (.cse6 (= |old(~a25~0)| ~a25~0)) (.cse8 (not (= ~a11~0 1)))) (let ((.cse3 (not (= 1 ~a21~0))) (.cse10 (= 0 |old(~a28~0)|)) (.cse5 (= ~a17~0 8)) (.cse7 (= ~a19~0 1)) (.cse11 (not (= 8 |old(~a17~0)|))) (.cse12 (= |calculate_output_#in~input| 0)) (.cse16 (< 7 |old(~a28~0)|)) (.cse2 (= 1 |old(~a25~0)|)) (.cse1 (and .cse4 .cse6 .cse8)) (.cse13 (= 11 |old(~a28~0)|)) (.cse0 (= 1 |old(~a11~0)|)) (.cse17 (<= ~a17~0 7)) (.cse15 (= 1 ~a19~0)) (.cse9 (not (= 1 |old(~a19~0)|))) (.cse14 (< 7 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 (and .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 .cse10 .cse11 .cse12) (or .cse9 .cse13 .cse14 .cse15) (or .cse3 (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) .cse12 .cse9 (= ~a11~0 0) .cse11 (not (= 0 |old(~a25~0)|))) (or .cse16 .cse9 (and .cse4 .cse15 .cse6)) (or (and .cse4 .cse17 .cse6) .cse13 .cse14) (or .cse0 .cse17 .cse14 .cse2) (or .cse0 .cse9 .cse15 .cse13) (or .cse3 .cse9 .cse10 (and .cse4 .cse5 .cse6 .cse7) .cse11 .cse12 .cse13) (or .cse16 .cse2 (and .cse4 .cse6)) (or .cse9 (and .cse4 .cse17 .cse15 .cse6) .cse14 .cse2) (or .cse0 .cse1 .cse13) (or .cse0 (and .cse4 .cse17 .cse15 .cse6 .cse8) .cse9 .cse14)))) [2018-11-23 07:23:37,364 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,364 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,364 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,364 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 07:23:37,364 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 07:23:37,364 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 07:23:37,364 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 07:23:37,364 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 07:23:37,364 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 07:23:37,364 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 07:23:37,364 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 07:23:37,364 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 07:23:37,365 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 475) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 07:23:37,366 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 07:23:37,367 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 07:23:37,367 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:23:37,367 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)) [2018-11-23 07:23:37,367 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:23:37,367 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:23:37,367 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7))) [2018-11-23 07:23:37,367 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (<= ~a17~0 7)) (.cse2 (not (= ~a25~0 1))) (.cse0 (not (= ~a11~0 1))) (.cse5 (<= ~a28~0 7)) (.cse4 (= 1 ~a19~0)) (.cse6 (= ~a17~0 8)) (.cse7 (= ~a19~0 1)) (.cse1 (not (= ~a28~0 11)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1) (not (= 7 |old(~a28~0)|)) (and .cse2 .cse0) (not (= 0 |old(~a11~0)|)) (and .cse3 .cse2 .cse4) (and .cse3 .cse1) (not (= 0 |old(~a25~0)|)) (and .cse3 .cse4 .cse0) (and .cse5 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse6 .cse7 .cse0) (not (= 8 |old(~a17~0)|)) (and .cse5 .cse4) (and .cse6 .cse7 .cse1))) [2018-11-23 07:23:37,367 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 07:23:37,367 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 07:23:37,367 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (not (= ~a25~0 1))) (.cse0 (<= ~a28~0 7)) (.cse3 (not (= ~a28~0 11))) (.cse7 (<= ~a17~0 7)) (.cse8 (= 1 ~a19~0)) (.cse4 (not (= main_~input~0 0))) (.cse5 (= ~a17~0 8)) (.cse6 (= ~a19~0 1)) (.cse2 (not (= ~a11~0 1)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1) (and .cse2 .cse3) (not (= 7 |old(~a28~0)|)) (and .cse1 .cse2) (not (= 0 |old(~a11~0)|)) (and .cse4 .cse5 .cse6 .cse3) (and .cse7 .cse1 .cse8) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse8) (and .cse7 .cse3) (not (= 0 |old(~a25~0)|)) (and .cse7 .cse8 .cse2) (and .cse4 .cse5 .cse6 .cse2))) [2018-11-23 07:23:37,367 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 07:23:37,367 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 07:23:37,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:23:37 BoogieIcfgContainer [2018-11-23 07:23:37,376 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:23:37,377 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:23:37,377 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:23:37,377 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:23:37,380 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:23:25" (3/4) ... [2018-11-23 07:23:37,383 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:23:37,388 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:23:37,388 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 07:23:37,388 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:23:37,400 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 07:23:37,401 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 07:23:37,420 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(1 == a21) || (!(a11 == 1) && !(a28 == 11))) || !(7 == \old(a28))) || (!(a25 == 1) && !(a11 == 1))) || !(0 == \old(a11))) || ((a17 <= 7 && !(a25 == 1)) && 1 == a19)) || (a17 <= 7 && !(a28 == 11))) || !(0 == \old(a25))) || ((a17 <= 7 && 1 == a19) && !(a11 == 1))) || (a28 <= 7 && !(a25 == 1))) || !(1 == \old(a19))) || ((a17 == 8 && a19 == 1) && !(a11 == 1))) || !(8 == \old(a17))) || (a28 <= 7 && 1 == a19)) || ((a17 == 8 && a19 == 1) && !(a28 == 11)) [2018-11-23 07:23:37,484 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b5f2cba2-bdc2-498a-a7fc-d75c1562cae5/bin-2019/utaipan/witness.graphml [2018-11-23 07:23:37,484 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:23:37,485 INFO L168 Benchmark]: Toolchain (without parser) took 13708.12 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 568.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 379.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:23:37,486 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:23:37,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.56 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.5 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-23 07:23:37,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 921.5 MB in the beginning and 1.1 GB in the end (delta: -204.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:23:37,486 INFO L168 Benchmark]: Boogie Preprocessor took 51.92 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:23:37,487 INFO L168 Benchmark]: RCFGBuilder took 979.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:23:37,487 INFO L168 Benchmark]: TraceAbstraction took 12150.68 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 438.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -159.2 MB). Peak memory consumption was 279.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:23:37,487 INFO L168 Benchmark]: Witness Printer took 107.44 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:23:37,489 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.56 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.5 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 921.5 MB in the beginning and 1.1 GB in the end (delta: -204.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.92 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 979.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12150.68 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 438.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -159.2 MB). Peak memory consumption was 279.7 MB. Max. memory is 11.5 GB. * Witness Printer took 107.44 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 475]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((!(1 == a21) || (!(a11 == 1) && !(a28 == 11))) || !(7 == \old(a28))) || (!(a25 == 1) && !(a11 == 1))) || !(0 == \old(a11))) || ((a17 <= 7 && !(a25 == 1)) && 1 == a19)) || (a17 <= 7 && !(a28 == 11))) || !(0 == \old(a25))) || ((a17 <= 7 && 1 == a19) && !(a11 == 1))) || (a28 <= 7 && !(a25 == 1))) || !(1 == \old(a19))) || ((a17 == 8 && a19 == 1) && !(a11 == 1))) || !(8 == \old(a17))) || (a28 <= 7 && 1 == a19)) || ((a17 == 8 && a19 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 12.0s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 8.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1253 SDtfs, 2928 SDslu, 770 SDs, 0 SdLazy, 4663 SolverSat, 1007 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 936 GetRequests, 880 SyntacticMatches, 7 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3009occurred 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, 4 AbstIntIterations, 2 AbstIntStrong, 0.9967076640441431 AbsIntWeakeningRatio, 0.2376237623762376 AbsIntAvgWeakeningVarsNumRemoved, 26.082508250825082 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 87 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 105 PreInvPairs, 174 NumberOfFragments, 587 HoareAnnotationTreeSize, 105 FomulaSimplifications, 2048 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1361 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1371 NumberOfCodeBlocks, 1371 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1649 ConstructedInterpolants, 0 QuantifiedInterpolants, 565438 SizeOfPredicates, 4 NumberOfNonLiveVariables, 799 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 386/428 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...