./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label25_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_c5e5ded5-97a5-401e-ad81-88b8b287e7f3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c5e5ded5-97a5-401e-ad81-88b8b287e7f3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c5e5ded5-97a5-401e-ad81-88b8b287e7f3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c5e5ded5-97a5-401e-ad81-88b8b287e7f3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c5e5ded5-97a5-401e-ad81-88b8b287e7f3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c5e5ded5-97a5-401e-ad81-88b8b287e7f3/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 ef22932a563d89d9fa5a5b8bcd7f4a5eeb34d0f3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:28:46,870 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:28:46,872 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:28:46,879 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:28:46,879 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:28:46,880 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:28:46,881 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:28:46,882 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:28:46,883 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:28:46,884 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:28:46,884 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:28:46,885 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:28:46,885 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:28:46,886 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:28:46,886 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:28:46,887 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:28:46,887 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:28:46,888 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:28:46,890 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:28:46,891 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:28:46,891 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:28:46,892 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:28:46,894 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:28:46,894 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:28:46,894 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:28:46,894 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:28:46,895 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:28:46,895 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:28:46,896 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:28:46,896 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:28:46,897 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:28:46,897 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:28:46,897 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:28:46,897 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:28:46,898 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:28:46,899 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:28:46,899 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c5e5ded5-97a5-401e-ad81-88b8b287e7f3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 15:28:46,907 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:28:46,907 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:28:46,907 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:28:46,908 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:28:46,908 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 15:28:46,908 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 15:28:46,908 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 15:28:46,908 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 15:28:46,908 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 15:28:46,908 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 15:28:46,909 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 15:28:46,909 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 15:28:46,909 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 15:28:46,909 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:28:46,910 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:28:46,910 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:28:46,910 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:28:46,910 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:28:46,910 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:28:46,910 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:28:46,910 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:28:46,910 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:28:46,911 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:28:46,911 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:28:46,911 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:28:46,911 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:28:46,911 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:28:46,911 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:28:46,912 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:28:46,912 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:28:46,912 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:28:46,912 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:28:46,912 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:28:46,912 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 15:28:46,912 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:28:46,912 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:28:46,913 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 15:28:46,913 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_c5e5ded5-97a5-401e-ad81-88b8b287e7f3/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 -> ef22932a563d89d9fa5a5b8bcd7f4a5eeb34d0f3 [2018-11-23 15:28:46,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:28:46,948 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:28:46,950 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:28:46,951 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:28:46,952 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:28:46,952 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c5e5ded5-97a5-401e-ad81-88b8b287e7f3/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-11-23 15:28:46,993 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c5e5ded5-97a5-401e-ad81-88b8b287e7f3/bin-2019/utaipan/data/bf044ecc6/6e8fac060832462081ce31adbc30525c/FLAGe32544a6a [2018-11-23 15:28:47,357 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:28:47,358 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c5e5ded5-97a5-401e-ad81-88b8b287e7f3/sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-11-23 15:28:47,367 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c5e5ded5-97a5-401e-ad81-88b8b287e7f3/bin-2019/utaipan/data/bf044ecc6/6e8fac060832462081ce31adbc30525c/FLAGe32544a6a [2018-11-23 15:28:47,379 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c5e5ded5-97a5-401e-ad81-88b8b287e7f3/bin-2019/utaipan/data/bf044ecc6/6e8fac060832462081ce31adbc30525c [2018-11-23 15:28:47,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:28:47,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:28:47,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:28:47,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:28:47,386 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:28:47,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:28:47" (1/1) ... [2018-11-23 15:28:47,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22877cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:47, skipping insertion in model container [2018-11-23 15:28:47,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:28:47" (1/1) ... [2018-11-23 15:28:47,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:28:47,429 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:28:47,667 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:28:47,670 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:28:47,737 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:28:47,749 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:28:47,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:47 WrapperNode [2018-11-23 15:28:47,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:28:47,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:28:47,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:28:47,751 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:28:47,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:47" (1/1) ... [2018-11-23 15:28:47,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:47" (1/1) ... [2018-11-23 15:28:47,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:28:47,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:28:47,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:28:47,823 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:28:47,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:47" (1/1) ... [2018-11-23 15:28:47,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:47" (1/1) ... [2018-11-23 15:28:47,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:47" (1/1) ... [2018-11-23 15:28:47,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:47" (1/1) ... [2018-11-23 15:28:47,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:47" (1/1) ... [2018-11-23 15:28:47,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:47" (1/1) ... [2018-11-23 15:28:47,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:47" (1/1) ... [2018-11-23 15:28:47,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:28:47,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:28:47,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:28:47,872 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:28:47,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c5e5ded5-97a5-401e-ad81-88b8b287e7f3/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 15:28:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 15:28:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:28:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:28:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 15:28:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 15:28:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:28:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:28:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:28:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:28:48,629 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:28:48,629 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 15:28:48,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:28:48 BoogieIcfgContainer [2018-11-23 15:28:48,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:28:48,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:28:48,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:28:48,633 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:28:48,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:28:47" (1/3) ... [2018-11-23 15:28:48,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17568b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:28:48, skipping insertion in model container [2018-11-23 15:28:48,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:28:47" (2/3) ... [2018-11-23 15:28:48,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17568b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:28:48, skipping insertion in model container [2018-11-23 15:28:48,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:28:48" (3/3) ... [2018-11-23 15:28:48,636 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label25_true-unreach-call_false-termination.c [2018-11-23 15:28:48,643 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:28:48,648 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:28:48,657 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:28:48,680 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:28:48,680 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:28:48,680 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:28:48,680 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:28:48,680 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:28:48,680 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:28:48,680 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:28:48,681 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:28:48,698 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 15:28:48,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 15:28:48,706 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:28:48,707 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:28:48,709 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:28:48,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:28:48,713 INFO L82 PathProgramCache]: Analyzing trace with hash 167533094, now seen corresponding path program 1 times [2018-11-23 15:28:48,715 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:28:48,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:28:48,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:28:48,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:28:48,745 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:28:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:28:49,021 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 15:28:49,023 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:28:49,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:28:49,023 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:28:49,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:28:49,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:28:49,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:28:49,037 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-23 15:28:49,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:28:49,571 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-11-23 15:28:49,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:28:49,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2018-11-23 15:28:49,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:28:49,581 INFO L225 Difference]: With dead ends: 615 [2018-11-23 15:28:49,581 INFO L226 Difference]: Without dead ends: 377 [2018-11-23 15:28:49,584 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 15:28:49,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-11-23 15:28:49,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2018-11-23 15:28:49,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-11-23 15:28:49,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 619 transitions. [2018-11-23 15:28:49,626 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 619 transitions. Word has length 140 [2018-11-23 15:28:49,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:28:49,626 INFO L480 AbstractCegarLoop]: Abstraction has 377 states and 619 transitions. [2018-11-23 15:28:49,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:28:49,627 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 619 transitions. [2018-11-23 15:28:49,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 15:28:49,631 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:28:49,631 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:28:49,633 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:28:49,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:28:49,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1307289931, now seen corresponding path program 1 times [2018-11-23 15:28:49,634 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:28:49,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:28:49,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:28:49,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:28:49,635 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:28:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:28:49,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:28:49,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:28:49,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 15:28:49,736 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:28:49,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:28:49,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:28:49,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:28:49,739 INFO L87 Difference]: Start difference. First operand 377 states and 619 transitions. Second operand 6 states. [2018-11-23 15:28:50,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:28:50,379 INFO L93 Difference]: Finished difference Result 1220 states and 2085 transitions. [2018-11-23 15:28:50,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 15:28:50,380 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2018-11-23 15:28:50,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:28:50,387 INFO L225 Difference]: With dead ends: 1220 [2018-11-23 15:28:50,387 INFO L226 Difference]: Without dead ends: 849 [2018-11-23 15:28:50,390 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 15:28:50,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2018-11-23 15:28:50,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 819. [2018-11-23 15:28:50,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 819 states. [2018-11-23 15:28:50,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1288 transitions. [2018-11-23 15:28:50,430 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1288 transitions. Word has length 155 [2018-11-23 15:28:50,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:28:50,430 INFO L480 AbstractCegarLoop]: Abstraction has 819 states and 1288 transitions. [2018-11-23 15:28:50,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:28:50,430 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1288 transitions. [2018-11-23 15:28:50,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-23 15:28:50,434 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:28:50,434 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:28:50,434 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:28:50,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:28:50,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1287258960, now seen corresponding path program 1 times [2018-11-23 15:28:50,435 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:28:50,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:28:50,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:28:50,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:28:50,436 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:28:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:28:50,531 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 15:28:50,532 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:28:50,532 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 15:28:50,533 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 164 with the following transitions: [2018-11-23 15:28:50,535 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 15:28:50,571 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 15:28:50,572 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 15:28:50,932 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 15:28:50,933 INFO L272 AbstractInterpreter]: Visited 141 different actions 141 times. Never merged. Never widened. Performed 1534 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1534 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-23 15:28:50,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:28:50,953 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 15:28:51,245 INFO L227 lantSequenceWeakener]: Weakened 154 states. On average, predicates are now at 81.31% of their original sizes. [2018-11-23 15:28:51,245 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 15:28:51,283 INFO L415 sIntCurrentIteration]: We unified 162 AI predicates to 162 [2018-11-23 15:28:51,284 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 15:28:51,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:28:51,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 15:28:51,285 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:28:51,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:28:51,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:28:51,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:28:51,286 INFO L87 Difference]: Start difference. First operand 819 states and 1288 transitions. Second operand 6 states. [2018-11-23 15:28:53,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:28:53,904 INFO L93 Difference]: Finished difference Result 1780 states and 2795 transitions. [2018-11-23 15:28:53,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:28:53,905 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2018-11-23 15:28:53,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:28:53,907 INFO L225 Difference]: With dead ends: 1780 [2018-11-23 15:28:53,907 INFO L226 Difference]: Without dead ends: 967 [2018-11-23 15:28:53,908 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 163 GetRequests, 158 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 15:28:53,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2018-11-23 15:28:53,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 965. [2018-11-23 15:28:53,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2018-11-23 15:28:53,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1441 transitions. [2018-11-23 15:28:53,928 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1441 transitions. Word has length 163 [2018-11-23 15:28:53,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:28:53,929 INFO L480 AbstractCegarLoop]: Abstraction has 965 states and 1441 transitions. [2018-11-23 15:28:53,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:28:53,929 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1441 transitions. [2018-11-23 15:28:53,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 15:28:53,932 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:28:53,932 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:28:53,932 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:28:53,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:28:53,933 INFO L82 PathProgramCache]: Analyzing trace with hash -387983169, now seen corresponding path program 1 times [2018-11-23 15:28:53,933 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:28:53,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:28:53,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:28:53,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:28:53,934 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:28:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:28:54,110 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 15:28:54,111 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:28:54,111 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 15:28:54,111 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-11-23 15:28:54,111 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 15:28:54,115 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 15:28:54,115 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 15:28:54,518 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 15:28:54,518 INFO L272 AbstractInterpreter]: Visited 145 different actions 430 times. Merged at 6 different actions 15 times. Never widened. Performed 4793 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4793 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 15:28:54,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:28:54,541 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 15:28:54,750 INFO L227 lantSequenceWeakener]: Weakened 169 states. On average, predicates are now at 84.97% of their original sizes. [2018-11-23 15:28:54,750 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 15:28:54,810 INFO L415 sIntCurrentIteration]: We unified 171 AI predicates to 171 [2018-11-23 15:28:54,810 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 15:28:54,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:28:54,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-23 15:28:54,811 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:28:54,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 15:28:54,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 15:28:54,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:28:54,811 INFO L87 Difference]: Start difference. First operand 965 states and 1441 transitions. Second operand 9 states. [2018-11-23 15:28:57,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:28:57,843 INFO L93 Difference]: Finished difference Result 2380 states and 3567 transitions. [2018-11-23 15:28:57,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 15:28:57,843 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 172 [2018-11-23 15:28:57,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:28:57,846 INFO L225 Difference]: With dead ends: 2380 [2018-11-23 15:28:57,846 INFO L226 Difference]: Without dead ends: 1421 [2018-11-23 15:28:57,848 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 179 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-23 15:28:57,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2018-11-23 15:28:57,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 1344. [2018-11-23 15:28:57,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1344 states. [2018-11-23 15:28:57,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1922 transitions. [2018-11-23 15:28:57,873 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1922 transitions. Word has length 172 [2018-11-23 15:28:57,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:28:57,873 INFO L480 AbstractCegarLoop]: Abstraction has 1344 states and 1922 transitions. [2018-11-23 15:28:57,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 15:28:57,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1922 transitions. [2018-11-23 15:28:57,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-23 15:28:57,876 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:28:57,876 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:28:57,876 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:28:57,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:28:57,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1049640465, now seen corresponding path program 1 times [2018-11-23 15:28:57,877 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:28:57,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:28:57,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:28:57,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:28:57,878 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:28:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:28:57,953 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:28:57,953 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:28:57,954 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 15:28:57,954 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-11-23 15:28:57,954 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 15:28:57,957 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 15:28:57,958 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 15:28:58,074 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 15:28:58,074 INFO L272 AbstractInterpreter]: Visited 144 different actions 282 times. Merged at 4 different actions 4 times. Never widened. Performed 3046 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3046 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 15:28:58,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:28:58,085 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 15:28:58,310 INFO L227 lantSequenceWeakener]: Weakened 168 states. On average, predicates are now at 81.28% of their original sizes. [2018-11-23 15:28:58,310 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 15:28:58,365 INFO L415 sIntCurrentIteration]: We unified 170 AI predicates to 170 [2018-11-23 15:28:58,366 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 15:28:58,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:28:58,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 15:28:58,366 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:28:58,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 15:28:58,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 15:28:58,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:28:58,367 INFO L87 Difference]: Start difference. First operand 1344 states and 1922 transitions. Second operand 10 states. [2018-11-23 15:29:00,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:29:00,356 INFO L93 Difference]: Finished difference Result 2978 states and 4231 transitions. [2018-11-23 15:29:00,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 15:29:00,356 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 171 [2018-11-23 15:29:00,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:29:00,360 INFO L225 Difference]: With dead ends: 2978 [2018-11-23 15:29:00,360 INFO L226 Difference]: Without dead ends: 1640 [2018-11-23 15:29:00,363 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 180 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 15:29:00,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2018-11-23 15:29:00,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1637. [2018-11-23 15:29:00,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2018-11-23 15:29:00,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2262 transitions. [2018-11-23 15:29:00,388 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2262 transitions. Word has length 171 [2018-11-23 15:29:00,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:29:00,388 INFO L480 AbstractCegarLoop]: Abstraction has 1637 states and 2262 transitions. [2018-11-23 15:29:00,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 15:29:00,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2262 transitions. [2018-11-23 15:29:00,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 15:29:00,392 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:29:00,392 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:29:00,392 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:29:00,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:29:00,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1868563865, now seen corresponding path program 1 times [2018-11-23 15:29:00,394 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:29:00,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:29:00,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:29:00,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:29:00,395 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:29:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:00,476 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 15:29:00,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:29:00,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:29:00,476 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:29:00,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:29:00,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:29:00,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:29:00,477 INFO L87 Difference]: Start difference. First operand 1637 states and 2262 transitions. Second operand 3 states. [2018-11-23 15:29:00,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:29:00,798 INFO L93 Difference]: Finished difference Result 3838 states and 5566 transitions. [2018-11-23 15:29:00,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:29:00,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2018-11-23 15:29:00,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:29:00,805 INFO L225 Difference]: With dead ends: 3838 [2018-11-23 15:29:00,805 INFO L226 Difference]: Without dead ends: 1662 [2018-11-23 15:29:00,811 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 15:29:00,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2018-11-23 15:29:00,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1661. [2018-11-23 15:29:00,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1661 states. [2018-11-23 15:29:00,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1661 states and 2095 transitions. [2018-11-23 15:29:00,843 INFO L78 Accepts]: Start accepts. Automaton has 1661 states and 2095 transitions. Word has length 175 [2018-11-23 15:29:00,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:29:00,844 INFO L480 AbstractCegarLoop]: Abstraction has 1661 states and 2095 transitions. [2018-11-23 15:29:00,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:29:00,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 2095 transitions. [2018-11-23 15:29:00,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-23 15:29:00,848 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:29:00,848 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:29:00,849 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:29:00,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:29:00,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1295917502, now seen corresponding path program 1 times [2018-11-23 15:29:00,849 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:29:00,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:29:00,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:29:00,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:29:00,850 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:29:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:00,940 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 69 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 15:29:00,940 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:29:00,940 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 15:29:00,940 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2018-11-23 15:29:00,940 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 15:29:00,943 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 15:29:00,943 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 15:29:01,153 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 15:29:01,154 INFO L272 AbstractInterpreter]: Visited 146 different actions 432 times. Merged at 7 different actions 16 times. Never widened. Performed 4977 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4977 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 15:29:01,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:29:01,162 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 15:29:01,162 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:29:01,162 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c5e5ded5-97a5-401e-ad81-88b8b287e7f3/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 15:29:01,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:29:01,171 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 15:29:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:01,246 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:29:01,316 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:29:01,316 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 15:29:01,447 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:29:01,474 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 15:29:01,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 15:29:01,474 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 15:29:01,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 15:29:01,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 15:29:01,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-23 15:29:01,475 INFO L87 Difference]: Start difference. First operand 1661 states and 2095 transitions. Second operand 9 states. [2018-11-23 15:29:03,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:29:03,434 INFO L93 Difference]: Finished difference Result 5149 states and 6754 transitions. [2018-11-23 15:29:03,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-23 15:29:03,434 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 203 [2018-11-23 15:29:03,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:29:03,444 INFO L225 Difference]: With dead ends: 5149 [2018-11-23 15:29:03,444 INFO L226 Difference]: Without dead ends: 2813 [2018-11-23 15:29:03,452 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 424 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=322, Invalid=1010, Unknown=0, NotChecked=0, Total=1332 [2018-11-23 15:29:03,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2018-11-23 15:29:03,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2425. [2018-11-23 15:29:03,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2425 states. [2018-11-23 15:29:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2425 states to 2425 states and 2819 transitions. [2018-11-23 15:29:03,517 INFO L78 Accepts]: Start accepts. Automaton has 2425 states and 2819 transitions. Word has length 203 [2018-11-23 15:29:03,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:29:03,517 INFO L480 AbstractCegarLoop]: Abstraction has 2425 states and 2819 transitions. [2018-11-23 15:29:03,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 15:29:03,517 INFO L276 IsEmpty]: Start isEmpty. Operand 2425 states and 2819 transitions. [2018-11-23 15:29:03,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-23 15:29:03,523 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:29:03,524 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:29:03,524 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:29:03,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:29:03,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1513889670, now seen corresponding path program 1 times [2018-11-23 15:29:03,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:29:03,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:29:03,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:29:03,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:29:03,525 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:29:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:03,710 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 60 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 15:29:03,711 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:29:03,711 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 15:29:03,711 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 205 with the following transitions: [2018-11-23 15:29:03,711 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 15:29:03,713 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 15:29:03,713 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 15:29:03,877 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 15:29:03,877 INFO L272 AbstractInterpreter]: Visited 145 different actions 427 times. Merged at 6 different actions 12 times. Never widened. Performed 4826 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4826 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 15:29:03,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:29:03,881 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 15:29:04,060 INFO L227 lantSequenceWeakener]: Weakened 201 states. On average, predicates are now at 84.69% of their original sizes. [2018-11-23 15:29:04,061 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 15:29:04,108 INFO L415 sIntCurrentIteration]: We unified 203 AI predicates to 203 [2018-11-23 15:29:04,108 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 15:29:04,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:29:04,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-11-23 15:29:04,109 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:29:04,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 15:29:04,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 15:29:04,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:29:04,109 INFO L87 Difference]: Start difference. First operand 2425 states and 2819 transitions. Second operand 10 states. [2018-11-23 15:29:06,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:29:06,793 INFO L93 Difference]: Finished difference Result 5248 states and 6185 transitions. [2018-11-23 15:29:06,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 15:29:06,794 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2018-11-23 15:29:06,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:29:06,800 INFO L225 Difference]: With dead ends: 5248 [2018-11-23 15:29:06,800 INFO L226 Difference]: Without dead ends: 3417 [2018-11-23 15:29:06,803 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 214 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-23 15:29:06,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3417 states. [2018-11-23 15:29:06,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3417 to 3387. [2018-11-23 15:29:06,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3387 states. [2018-11-23 15:29:06,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 3387 states and 3956 transitions. [2018-11-23 15:29:06,846 INFO L78 Accepts]: Start accepts. Automaton has 3387 states and 3956 transitions. Word has length 204 [2018-11-23 15:29:06,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:29:06,846 INFO L480 AbstractCegarLoop]: Abstraction has 3387 states and 3956 transitions. [2018-11-23 15:29:06,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 15:29:06,846 INFO L276 IsEmpty]: Start isEmpty. Operand 3387 states and 3956 transitions. [2018-11-23 15:29:06,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-23 15:29:06,852 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:29:06,852 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:29:06,852 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:29:06,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:29:06,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1656488496, now seen corresponding path program 1 times [2018-11-23 15:29:06,853 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:29:06,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:29:06,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:29:06,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:29:06,854 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:29:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:06,949 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 176 proven. 32 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 15:29:06,950 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:29:06,950 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 15:29:06,950 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 312 with the following transitions: [2018-11-23 15:29:06,950 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [21], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [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], [351], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 15:29:06,952 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 15:29:06,952 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 15:29:07,336 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 15:29:07,336 INFO L272 AbstractInterpreter]: Visited 149 different actions 593 times. Merged at 8 different actions 31 times. Never widened. Performed 6777 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6777 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 15:29:07,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:29:07,338 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 15:29:07,528 INFO L227 lantSequenceWeakener]: Weakened 308 states. On average, predicates are now at 87.02% of their original sizes. [2018-11-23 15:29:07,528 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 15:29:07,569 INFO L415 sIntCurrentIteration]: We unified 310 AI predicates to 310 [2018-11-23 15:29:07,569 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 15:29:07,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:29:07,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2018-11-23 15:29:07,569 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:29:07,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 15:29:07,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 15:29:07,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-11-23 15:29:07,570 INFO L87 Difference]: Start difference. First operand 3387 states and 3956 transitions. Second operand 11 states. [2018-11-23 15:29:09,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:29:09,547 INFO L93 Difference]: Finished difference Result 4923 states and 5735 transitions. [2018-11-23 15:29:09,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 15:29:09,547 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 311 [2018-11-23 15:29:09,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:29:09,548 INFO L225 Difference]: With dead ends: 4923 [2018-11-23 15:29:09,548 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 15:29:09,555 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 323 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2018-11-23 15:29:09,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 15:29:09,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 15:29:09,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 15:29:09,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 15:29:09,555 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 311 [2018-11-23 15:29:09,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:29:09,555 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:29:09,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 15:29:09,556 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 15:29:09,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:29:09,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 15:29:09,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:29:09,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:29:09,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:29:09,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:29:09,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:29:09,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:29:09,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:29:09,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:29:09,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:29:09,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:29:09,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:29:09,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:29:09,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:29:09,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:29:09,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:29:10,214 WARN L180 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 75 [2018-11-23 15:29:10,339 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:29:10,339 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-23 15:29:10,339 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:29:10,339 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,339 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,339 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,340 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,340 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,340 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 15:29:10,340 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 15:29:10,340 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 15:29:10,340 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 15:29:10,340 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 15:29:10,340 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 15:29:10,340 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 15:29:10,340 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 15:29:10,340 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 15:29:10,340 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 15:29:10,340 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 15:29:10,340 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 15:29:10,341 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 15:29:10,341 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,341 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,341 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,341 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,341 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 15:29:10,341 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,341 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 15:29:10,341 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 15:29:10,341 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 15:29:10,341 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 15:29:10,341 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 15:29:10,341 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 15:29:10,342 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 15:29:10,342 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 15:29:10,342 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 15:29:10,342 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 15:29:10,342 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 15:29:10,342 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 15:29:10,342 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 15:29:10,342 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 15:29:10,342 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 15:29:10,342 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,342 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,342 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,342 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,343 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,343 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 15:29:10,343 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 15:29:10,343 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 15:29:10,343 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 15:29:10,343 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 15:29:10,343 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 15:29:10,343 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 15:29:10,343 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 15:29:10,343 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 15:29:10,343 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 15:29:10,343 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 15:29:10,343 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,343 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,344 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,344 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,344 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,344 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 15:29:10,344 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 15:29:10,344 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 15:29:10,344 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 15:29:10,344 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 15:29:10,344 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 15:29:10,344 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 15:29:10,344 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 15:29:10,344 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 15:29:10,344 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 15:29:10,344 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 15:29:10,345 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 15:29:10,345 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 15:29:10,345 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,345 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,345 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,345 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,345 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,345 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 15:29:10,345 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 15:29:10,345 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 15:29:10,345 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 15:29:10,345 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 15:29:10,346 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 15:29:10,346 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 15:29:10,346 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 15:29:10,346 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 15:29:10,346 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 15:29:10,346 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 15:29:10,346 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 15:29:10,346 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 15:29:10,346 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 15:29:10,346 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 15:29:10,346 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 15:29:10,346 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,346 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,346 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,347 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,347 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 15:29:10,347 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,347 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 15:29:10,347 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,347 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 15:29:10,347 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 15:29:10,347 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 15:29:10,347 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,347 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,347 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 15:29:10,347 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 15:29:10,347 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 15:29:10,348 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 15:29:10,348 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 15:29:10,348 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 15:29:10,348 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 15:29:10,348 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 15:29:10,348 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 574) no Hoare annotation was computed. [2018-11-23 15:29:10,348 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 15:29:10,348 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 15:29:10,348 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 15:29:10,348 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,348 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,348 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,348 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,349 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,349 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,349 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 15:29:10,349 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 15:29:10,349 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 15:29:10,349 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 15:29:10,349 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 15:29:10,349 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 15:29:10,349 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 15:29:10,349 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 15:29:10,349 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 15:29:10,349 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 15:29:10,349 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 15:29:10,349 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,349 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,350 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,350 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,350 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,350 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,350 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 15:29:10,350 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 15:29:10,350 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 15:29:10,350 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 15:29:10,350 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 15:29:10,350 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 15:29:10,350 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 15:29:10,350 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 15:29:10,350 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 15:29:10,350 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 15:29:10,351 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 15:29:10,351 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 15:29:10,351 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 15:29:10,351 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 15:29:10,351 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,351 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,351 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,351 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse18 (= 1 |old(~a25~0)|))) (let ((.cse13 (= |old(~a11~0)| |old(~a19~0)|)) (.cse5 (= 0 |old(~a28~0)|)) (.cse16 (= ~a11~0 |old(~a11~0)|)) (.cse2 (not (= ~a28~0 0))) (.cse4 (= ~a17~0 8)) (.cse9 (not (= 7 |old(~a28~0)|))) (.cse1 (not (= 1 |old(~a19~0)|))) (.cse11 (= ~a28~0 7)) (.cse20 (not (= 0 |old(~a25~0)|))) (.cse14 (<= ~a17~0 |old(~a17~0)|)) (.cse15 (= |old(~a19~0)| ~a19~0)) (.cse3 (= 1 ~a11~0)) (.cse12 (= ~a25~0 |old(~a25~0)|)) (.cse8 (not (= 1 |old(~a11~0)|))) (.cse17 (< 7 |old(~a17~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse21 (not (= 10 |old(~a28~0)|))) (.cse10 (not .cse18)) (.cse19 (not (= 0 |old(~a11~0)|))) (.cse6 (not (= 8 |old(~a17~0)|))) (.cse7 (= |calculate_output_#in~input| 0)) (.cse22 (= ~a28~0 10))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 (= ~a19~0 1)) .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse9 .cse10 .cse1 (and .cse11 .cse12) .cse6 .cse7 .cse8) (or .cse13 (and .cse14 .cse15 .cse16 .cse12) .cse17 .cse18) (or (= 7 |old(~a17~0)|) (and .cse15 (not (= ~a17~0 7)) .cse3) .cse13 .cse8) (or .cse0 .cse5 .cse19 .cse6 .cse7 (and .cse15 .cse16 .cse2 .cse4 .cse12)) (or .cse0 .cse9 .cse1 .cse11 .cse19 .cse6 .cse7 .cse20) (or (or .cse0 .cse21 .cse1) .cse19 (or .cse11 .cse22) .cse6 .cse7 .cse20) (or (and .cse14 .cse15 .cse3 .cse12) .cse8 .cse17) (or (or .cse0 .cse21 .cse10 .cse19 (not (= 0 |old(~a19~0)|))) .cse6 .cse7 .cse22)))) [2018-11-23 15:29:10,351 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,351 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,352 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,352 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 15:29:10,352 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 15:29:10,352 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 15:29:10,352 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 15:29:10,352 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 15:29:10,352 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 15:29:10,352 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 15:29:10,352 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 15:29:10,352 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 15:29:10,352 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 15:29:10,352 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 15:29:10,352 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 15:29:10,352 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 15:29:10,353 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,353 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,353 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,353 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,353 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,353 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,353 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 15:29:10,353 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 15:29:10,353 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 15:29:10,353 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 15:29:10,353 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 15:29:10,353 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 15:29:10,353 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 15:29:10,353 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 15:29:10,354 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 15:29:10,354 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 15:29:10,354 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 15:29:10,354 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 15:29:10,354 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 15:29:10,354 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 15:29:10,354 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 15:29:10,354 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 15:29:10,354 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,354 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,354 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,354 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,354 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 15:29:10,354 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 15:29:10,355 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 15:29:10,355 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 15:29:10,355 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 15:29:10,355 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 15:29:10,355 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 15:29:10,355 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 15:29:10,355 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 15:29:10,355 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 15:29:10,355 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 15:29:10,355 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 15:29:10,355 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 15:29:10,355 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 15:29:10,355 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 15:29:10,355 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 15:29:10,356 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 15:29:10,356 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 15:29:10,356 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 15:29:10,356 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 15:29:10,356 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:29:10,356 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 15:29:10,356 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 15:29:10,356 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:29:10,356 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)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-23 15:29:10,356 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a11~0 0)) (.cse3 (not (= ~a28~0 0))) (.cse0 (= 1 ~a11~0)) (.cse2 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (not (= ~a19~0 ~a11~0))) (and .cse1 .cse2 (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse1 (not (= main_~input~0 0)) .cse3 .cse2) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (<= ~a17~0 7) .cse0) (and .cse3 .cse0 .cse2) (not (= 0 |old(~a25~0)|)))) [2018-11-23 15:29:10,356 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 15:29:10,356 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 15:29:10,356 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= main_~input~0 0))) (.cse1 (not (= ~a28~0 0))) (.cse3 (= ~a17~0 8)) (.cse2 (= 1 ~a11~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse2 (not (= ~a19~0 ~a11~0))) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) .cse0 .cse1 .cse3) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (<= ~a17~0 7) .cse2) (not (= 0 |old(~a25~0)|)))) [2018-11-23 15:29:10,356 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 15:29:10,357 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 15:29:10,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:29:10 BoogieIcfgContainer [2018-11-23 15:29:10,364 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:29:10,364 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:29:10,364 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:29:10,364 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:29:10,365 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:28:48" (3/4) ... [2018-11-23 15:29:10,373 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:29:10,377 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 15:29:10,378 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 15:29:10,378 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 15:29:10,388 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 15:29:10,388 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 15:29:10,408 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == a21) || !(7 == \old(a28))) || (1 == a11 && !(a19 == a11))) || ((((a11 == 0 && a17 == 8) && a19 == 1) && a28 == 7) && a25 == \old(a25))) || !(0 == \old(a11))) || (((a11 == 0 && !(input == 0)) && !(a28 == 0)) && a17 == 8)) || !(1 == \old(a19))) || !(8 == \old(a17))) || (a17 <= 7 && 1 == a11)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a25)) [2018-11-23 15:29:10,477 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c5e5ded5-97a5-401e-ad81-88b8b287e7f3/bin-2019/utaipan/witness.graphml [2018-11-23 15:29:10,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:29:10,478 INFO L168 Benchmark]: Toolchain (without parser) took 23095.90 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 956.5 MB in the beginning and 1.8 GB in the end (delta: -869.9 MB). Peak memory consumption was 470.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:29:10,478 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 15:29:10,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.08 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 924.2 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:29:10,478 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 924.2 MB in the beginning and 1.1 GB in the end (delta: -213.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-23 15:29:10,479 INFO L168 Benchmark]: Boogie Preprocessor took 48.59 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 15:29:10,479 INFO L168 Benchmark]: RCFGBuilder took 757.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:29:10,479 INFO L168 Benchmark]: TraceAbstraction took 21733.03 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -826.7 MB). Peak memory consumption was 371.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:29:10,479 INFO L168 Benchmark]: Witness Printer took 112.92 ms. Allocated memory is still 2.4 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:29:10,481 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 367.08 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 924.2 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 924.2 MB in the beginning and 1.1 GB in the end (delta: -213.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.59 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 757.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21733.03 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -826.7 MB). Peak memory consumption was 371.3 MB. Max. memory is 11.5 GB. * Witness Printer took 112.92 ms. Allocated memory is still 2.4 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 574]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((!(1 == a21) || !(7 == \old(a28))) || (1 == a11 && !(a19 == a11))) || ((((a11 == 0 && a17 == 8) && a19 == 1) && a28 == 7) && a25 == \old(a25))) || !(0 == \old(a11))) || (((a11 == 0 && !(input == 0)) && !(a28 == 0)) && a17 == 8)) || !(1 == \old(a19))) || !(8 == \old(a17))) || (a17 <= 7 && 1 == a11)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 21.6s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 15.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1507 SDtfs, 6532 SDslu, 1759 SDs, 0 SdLazy, 10039 SolverSat, 1837 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 1538 GetRequests, 1411 SyntacticMatches, 4 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3387occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.7s AbstIntTime, 6 AbstIntIterations, 5 AbstIntStrong, 0.9967803951064919 AbsIntWeakeningRatio, 0.19586614173228348 AbsIntAvgWeakeningVarsNumRemoved, 25.703740157480315 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 531 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 96 PreInvPairs, 145 NumberOfFragments, 502 HoareAnnotationTreeSize, 96 FomulaSimplifications, 6672 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1963 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1897 NumberOfCodeBlocks, 1897 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2089 ConstructedInterpolants, 0 QuantifiedInterpolants, 717798 SizeOfPredicates, 0 NumberOfNonLiveVariables, 507 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 762/865 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...