./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label13_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_76a5400f-520a-4334-97a5-d7cb1e8b08e4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_76a5400f-520a-4334-97a5-d7cb1e8b08e4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_76a5400f-520a-4334-97a5-d7cb1e8b08e4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_76a5400f-520a-4334-97a5-d7cb1e8b08e4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label13_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_76a5400f-520a-4334-97a5-d7cb1e8b08e4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_76a5400f-520a-4334-97a5-d7cb1e8b08e4/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 6e5c5eed4bd7fab4c39b1476c33057bc1fdb10c3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:10:18,036 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:10:18,037 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:10:18,045 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:10:18,045 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:10:18,046 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:10:18,047 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:10:18,048 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:10:18,049 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:10:18,050 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:10:18,050 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:10:18,051 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:10:18,051 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:10:18,052 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:10:18,053 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:10:18,053 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:10:18,054 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:10:18,055 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:10:18,056 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:10:18,057 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:10:18,058 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:10:18,059 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:10:18,061 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:10:18,061 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:10:18,061 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:10:18,062 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:10:18,062 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:10:18,063 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:10:18,063 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:10:18,064 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:10:18,064 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:10:18,065 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:10:18,065 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:10:18,065 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:10:18,066 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:10:18,066 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:10:18,066 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_76a5400f-520a-4334-97a5-d7cb1e8b08e4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:10:18,075 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:10:18,075 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:10:18,076 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:10:18,076 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:10:18,076 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:10:18,076 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:10:18,076 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:10:18,076 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:10:18,077 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:10:18,077 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:10:18,077 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:10:18,077 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:10:18,077 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:10:18,078 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:10:18,078 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:10:18,078 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:10:18,078 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:10:18,078 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:10:18,079 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:10:18,079 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:10:18,079 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:10:18,079 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:10:18,079 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:10:18,079 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:10:18,079 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:10:18,080 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:10:18,080 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:10:18,080 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:10:18,080 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:10:18,080 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:10:18,080 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:10:18,081 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:10:18,081 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:10:18,081 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:10:18,081 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:10:18,081 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:10:18,081 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:10:18,081 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_76a5400f-520a-4334-97a5-d7cb1e8b08e4/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 -> 6e5c5eed4bd7fab4c39b1476c33057bc1fdb10c3 [2018-11-18 16:10:18,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:10:18,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:10:18,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:10:18,117 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:10:18,117 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:10:18,118 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_76a5400f-520a-4334-97a5-d7cb1e8b08e4/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label13_true-unreach-call_false-termination.c [2018-11-18 16:10:18,153 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_76a5400f-520a-4334-97a5-d7cb1e8b08e4/bin-2019/utaipan/data/927ad8683/55e8f299099c4801853996d2ba1e4404/FLAG38c782da3 [2018-11-18 16:10:18,598 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:10:18,599 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_76a5400f-520a-4334-97a5-d7cb1e8b08e4/sv-benchmarks/c/eca-rers2012/Problem01_label13_true-unreach-call_false-termination.c [2018-11-18 16:10:18,607 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_76a5400f-520a-4334-97a5-d7cb1e8b08e4/bin-2019/utaipan/data/927ad8683/55e8f299099c4801853996d2ba1e4404/FLAG38c782da3 [2018-11-18 16:10:18,619 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_76a5400f-520a-4334-97a5-d7cb1e8b08e4/bin-2019/utaipan/data/927ad8683/55e8f299099c4801853996d2ba1e4404 [2018-11-18 16:10:18,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:10:18,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:10:18,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:10:18,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:10:18,627 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:10:18,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:10:18" (1/1) ... [2018-11-18 16:10:18,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3275144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:18, skipping insertion in model container [2018-11-18 16:10:18,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:10:18" (1/1) ... [2018-11-18 16:10:18,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:10:18,671 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:10:18,929 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:10:18,932 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:10:18,997 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:10:19,006 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:10:19,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:19 WrapperNode [2018-11-18 16:10:19,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:10:19,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:10:19,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:10:19,008 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:10:19,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:19" (1/1) ... [2018-11-18 16:10:19,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:19" (1/1) ... [2018-11-18 16:10:19,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:10:19,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:10:19,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:10:19,086 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:10:19,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:19" (1/1) ... [2018-11-18 16:10:19,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:19" (1/1) ... [2018-11-18 16:10:19,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:19" (1/1) ... [2018-11-18 16:10:19,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:19" (1/1) ... [2018-11-18 16:10:19,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:19" (1/1) ... [2018-11-18 16:10:19,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:19" (1/1) ... [2018-11-18 16:10:19,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:19" (1/1) ... [2018-11-18 16:10:19,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:10:19,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:10:19,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:10:19,139 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:10:19,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76a5400f-520a-4334-97a5-d7cb1e8b08e4/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 [2018-11-18 16:10:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 16:10:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:10:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:10:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 16:10:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 16:10:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:10:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:10:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:10:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:10:19,919 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:10:19,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:10:19 BoogieIcfgContainer [2018-11-18 16:10:19,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:10:19,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:10:19,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:10:19,922 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:10:19,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:10:18" (1/3) ... [2018-11-18 16:10:19,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb2e97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:10:19, skipping insertion in model container [2018-11-18 16:10:19,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:10:19" (2/3) ... [2018-11-18 16:10:19,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb2e97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:10:19, skipping insertion in model container [2018-11-18 16:10:19,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:10:19" (3/3) ... [2018-11-18 16:10:19,924 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label13_true-unreach-call_false-termination.c [2018-11-18 16:10:19,931 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:10:19,936 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:10:19,946 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:10:19,970 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:10:19,970 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:10:19,970 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:10:19,970 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:10:19,970 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:10:19,971 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:10:19,971 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:10:19,971 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:10:19,987 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 16:10:19,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 16:10:19,995 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:10:19,996 INFO L375 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] [2018-11-18 16:10:19,998 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:10:20,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:20,001 INFO L82 PathProgramCache]: Analyzing trace with hash -122983760, now seen corresponding path program 1 times [2018-11-18 16:10:20,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:10:20,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:20,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:20,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:20,034 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:10:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:20,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:10:20,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:10:20,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:10:20,334 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:10:20,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:10:20,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:10:20,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:10:20,348 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-18 16:10:20,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:10:20,884 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-18 16:10:20,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:10:20,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2018-11-18 16:10:20,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:10:20,897 INFO L225 Difference]: With dead ends: 550 [2018-11-18 16:10:20,897 INFO L226 Difference]: Without dead ends: 340 [2018-11-18 16:10:20,901 INFO L604 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 [2018-11-18 16:10:20,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-18 16:10:20,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-18 16:10:20,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 16:10:20,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 569 transitions. [2018-11-18 16:10:20,949 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 569 transitions. Word has length 130 [2018-11-18 16:10:20,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:10:20,950 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 569 transitions. [2018-11-18 16:10:20,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:10:20,950 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 569 transitions. [2018-11-18 16:10:20,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 16:10:20,954 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:10:20,954 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:10:20,958 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:10:20,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:20,959 INFO L82 PathProgramCache]: Analyzing trace with hash 804854183, now seen corresponding path program 1 times [2018-11-18 16:10:20,959 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:10:20,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:20,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:20,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:20,961 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:10:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:21,076 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:10:21,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:10:21,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:10:21,077 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:10:21,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:10:21,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:10:21,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:10:21,079 INFO L87 Difference]: Start difference. First operand 340 states and 569 transitions. Second operand 5 states. [2018-11-18 16:10:21,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:10:21,684 INFO L93 Difference]: Finished difference Result 1079 states and 1888 transitions. [2018-11-18 16:10:21,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:10:21,686 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2018-11-18 16:10:21,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:10:21,692 INFO L225 Difference]: With dead ends: 1079 [2018-11-18 16:10:21,692 INFO L226 Difference]: Without dead ends: 745 [2018-11-18 16:10:21,694 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:10:21,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-11-18 16:10:21,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 733. [2018-11-18 16:10:21,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2018-11-18 16:10:21,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1163 transitions. [2018-11-18 16:10:21,723 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1163 transitions. Word has length 140 [2018-11-18 16:10:21,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:10:21,723 INFO L480 AbstractCegarLoop]: Abstraction has 733 states and 1163 transitions. [2018-11-18 16:10:21,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:10:21,723 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1163 transitions. [2018-11-18 16:10:21,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 16:10:21,726 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:10:21,726 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 16:10:21,726 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:10:21,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:21,727 INFO L82 PathProgramCache]: Analyzing trace with hash 909139987, now seen corresponding path program 1 times [2018-11-18 16:10:21,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:10:21,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:21,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:21,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:21,728 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:10:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:10:21,833 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:10:21,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:10:21,833 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:10:21,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:10:21,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:10:21,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:10:21,834 INFO L87 Difference]: Start difference. First operand 733 states and 1163 transitions. Second operand 3 states. [2018-11-18 16:10:22,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:10:22,187 INFO L93 Difference]: Finished difference Result 2097 states and 3420 transitions. [2018-11-18 16:10:22,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:10:22,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2018-11-18 16:10:22,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:10:22,194 INFO L225 Difference]: With dead ends: 2097 [2018-11-18 16:10:22,194 INFO L226 Difference]: Without dead ends: 1370 [2018-11-18 16:10:22,197 INFO L604 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 [2018-11-18 16:10:22,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2018-11-18 16:10:22,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1370. [2018-11-18 16:10:22,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1370 states. [2018-11-18 16:10:22,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1370 states and 2084 transitions. [2018-11-18 16:10:22,236 INFO L78 Accepts]: Start accepts. Automaton has 1370 states and 2084 transitions. Word has length 150 [2018-11-18 16:10:22,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:10:22,236 INFO L480 AbstractCegarLoop]: Abstraction has 1370 states and 2084 transitions. [2018-11-18 16:10:22,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:10:22,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 2084 transitions. [2018-11-18 16:10:22,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 16:10:22,241 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:10:22,241 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:10:22,241 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:10:22,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:22,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1335659650, now seen corresponding path program 1 times [2018-11-18 16:10:22,242 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:10:22,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:22,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:22,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:10:22,243 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:10:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:22,339 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:10:22,340 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:10:22,340 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:10:22,341 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-11-18 16:10:22,342 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [677], [679], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 16:10:22,378 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:10:22,378 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:10:22,979 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:10:22,979 INFO L272 AbstractInterpreter]: Visited 135 different actions 262 times. Merged at 4 different actions 4 times. Never widened. Performed 3514 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3514 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 16:10:22,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:10:22,995 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:10:22,995 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:10:22,995 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76a5400f-520a-4334-97a5-d7cb1e8b08e4/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 [2018-11-18 16:10:23,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:10:23,009 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:10:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:10:23,082 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:10:23,158 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:10:23,159 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:10:23,225 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:10:23,250 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:10:23,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-18 16:10:23,250 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:10:23,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:10:23,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:10:23,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:10:23,251 INFO L87 Difference]: Start difference. First operand 1370 states and 2084 transitions. Second operand 3 states. [2018-11-18 16:10:23,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:10:23,761 INFO L93 Difference]: Finished difference Result 3714 states and 5701 transitions. [2018-11-18 16:10:23,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:10:23,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2018-11-18 16:10:23,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:10:23,763 INFO L225 Difference]: With dead ends: 3714 [2018-11-18 16:10:23,763 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:10:23,771 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 330 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:10:23,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:10:23,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:10:23,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:10:23,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:10:23,772 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 166 [2018-11-18 16:10:23,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:10:23,772 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:10:23,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:10:23,772 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:10:23,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:10:23,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:10:23,925 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:10:23,926 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a8~0)| ~a8~0) [2018-11-18 16:10:23,926 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:10:23,926 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 16:10:23,926 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 16:10:23,926 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,926 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,926 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,927 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,927 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,927 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,927 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 16:10:23,927 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 16:10:23,927 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 16:10:23,927 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 16:10:23,927 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 16:10:23,927 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 16:10:23,927 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 16:10:23,927 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 16:10:23,928 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 16:10:23,928 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 16:10:23,928 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2018-11-18 16:10:23,928 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,928 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,928 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,928 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,928 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,928 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,928 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 16:10:23,929 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 16:10:23,929 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 16:10:23,929 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 16:10:23,929 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 16:10:23,929 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 16:10:23,929 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 16:10:23,929 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 16:10:23,929 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 16:10:23,929 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 16:10:23,929 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 16:10:23,929 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 16:10:23,930 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 16:10:23,930 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 16:10:23,930 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 16:10:23,930 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,930 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,930 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,930 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,930 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,930 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 16:10:23,930 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 16:10:23,930 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 16:10:23,931 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 16:10:23,931 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 16:10:23,931 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 16:10:23,931 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 16:10:23,931 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 16:10:23,931 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 16:10:23,931 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,931 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,931 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,931 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,932 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,932 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 16:10:23,932 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 16:10:23,932 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 16:10:23,932 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 16:10:23,932 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 16:10:23,932 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 16:10:23,932 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 16:10:23,932 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 16:10:23,932 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 16:10:23,932 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 16:10:23,933 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 16:10:23,933 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 16:10:23,933 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 16:10:23,933 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,933 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,933 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,933 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,933 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,933 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 16:10:23,933 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 16:10:23,933 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 16:10:23,934 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 16:10:23,934 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 16:10:23,934 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 16:10:23,934 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 16:10:23,934 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 16:10:23,934 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 16:10:23,934 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,934 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,934 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,934 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,934 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,935 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,935 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 16:10:23,935 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,935 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 16:10:23,935 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 16:10:23,935 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 16:10:23,935 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 16:10:23,935 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 16:10:23,935 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 16:10:23,935 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 16:10:23,935 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 16:10:23,935 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 16:10:23,936 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 16:10:23,936 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 16:10:23,936 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 16:10:23,936 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 16:10:23,936 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,936 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,936 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,936 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,936 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,936 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 16:10:23,936 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 16:10:23,937 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 16:10:23,937 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 16:10:23,937 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 16:10:23,937 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 16:10:23,937 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 16:10:23,937 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 16:10:23,937 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,937 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,937 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,937 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,937 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,937 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 16:10:23,938 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 16:10:23,938 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 16:10:23,938 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 16:10:23,938 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 16:10:23,938 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 16:10:23,938 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 16:10:23,938 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 16:10:23,938 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 16:10:23,938 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 16:10:23,939 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (= |old(~a8~0)| ~a8~0))) (and (or (= 1 |old(~a7~0)|) (and (not (= ~a7~0 1)) .cse0)) (or (= 6 |old(~a16~0)|) (and .cse0 (not (= ~a16~0 6)))) (or (and .cse0 (<= ~a17~0 0)) (< 0 |old(~a17~0)|)))) [2018-11-18 16:10:23,939 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 16:10:23,939 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,939 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,939 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,939 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,939 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 16:10:23,939 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,939 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,939 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 16:10:23,939 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 16:10:23,940 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 16:10:23,940 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 16:10:23,940 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 16:10:23,940 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 16:10:23,940 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 16:10:23,940 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 16:10:23,940 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 16:10:23,940 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 16:10:23,940 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 16:10:23,940 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 16:10:23,941 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,941 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,941 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,941 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,941 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,941 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 16:10:23,941 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,941 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 16:10:23,941 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 16:10:23,941 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 16:10:23,941 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 16:10:23,941 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 16:10:23,942 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 16:10:23,942 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 16:10:23,942 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 16:10:23,942 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 16:10:23,942 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 16:10:23,942 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 16:10:23,942 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 16:10:23,942 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 16:10:23,942 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 16:10:23,943 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,943 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,943 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,943 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,943 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,943 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 16:10:23,943 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 16:10:23,943 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 16:10:23,943 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 16:10:23,943 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 16:10:23,943 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 16:10:23,944 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 16:10:23,944 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 16:10:23,944 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 16:10:23,944 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 16:10:23,944 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 16:10:23,944 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:10:23,944 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (not (= ~a16~0 6)) (not (= ~a8~0 13))) [2018-11-18 16:10:23,944 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:10:23,944 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:10:23,945 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (= 1 |old(~a7~0)|) (= 13 |old(~a8~0)|) (and (not (= ~a7~0 1)) (= |old(~a8~0)| ~a8~0) (not (= ~a16~0 6)))) [2018-11-18 16:10:23,945 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 16:10:23,945 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (= 1 |old(~a7~0)|) (not (= ~a7~0 1)) (= 13 |old(~a8~0)|) (not (= ~a16~0 6)) (<= ~a17~0 0)) [2018-11-18 16:10:23,945 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 16:10:23,945 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 16:10:23,945 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 16:10:23,945 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (= 1 |old(~a7~0)|) (not (= ~a7~0 1)) (= 13 |old(~a8~0)|) (not (= ~a16~0 6)) (<= ~a17~0 0)) [2018-11-18 16:10:23,945 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 16:10:23,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:10:23 BoogieIcfgContainer [2018-11-18 16:10:23,956 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:10:23,956 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:10:23,956 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:10:23,956 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:10:23,957 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:10:19" (3/4) ... [2018-11-18 16:10:23,959 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:10:23,964 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:10:23,964 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 16:10:23,965 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:10:23,974 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 16:10:23,975 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 16:10:23,998 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((6 == \old(a16) || 1 == \old(a7)) || !(a7 == 1)) || 13 == \old(a8)) || !(a16 == 6)) || a17 <= 0 [2018-11-18 16:10:24,063 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_76a5400f-520a-4334-97a5-d7cb1e8b08e4/bin-2019/utaipan/witness.graphml [2018-11-18 16:10:24,063 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:10:24,064 INFO L168 Benchmark]: Toolchain (without parser) took 5441.79 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 342.4 MB). Free memory was 951.1 MB in the beginning and 937.6 MB in the end (delta: 13.5 MB). Peak memory consumption was 355.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:10:24,065 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:10:24,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.40 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 918.8 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:10:24,066 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 918.8 MB in the beginning and 1.2 GB in the end (delta: -234.7 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:10:24,066 INFO L168 Benchmark]: Boogie Preprocessor took 53.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:10:24,066 INFO L168 Benchmark]: RCFGBuilder took 779.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.8 MB). Peak memory consumption was 103.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:10:24,066 INFO L168 Benchmark]: TraceAbstraction took 4036.13 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 181.4 MB). Free memory was 1.0 GB in the beginning and 960.3 MB in the end (delta: 79.1 MB). Peak memory consumption was 260.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:10:24,067 INFO L168 Benchmark]: Witness Printer took 107.54 ms. Allocated memory is still 1.4 GB. Free memory was 960.3 MB in the beginning and 937.6 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:10:24,068 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 383.40 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 918.8 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 77.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 918.8 MB in the beginning and 1.2 GB in the end (delta: -234.7 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 779.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.8 MB). Peak memory consumption was 103.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4036.13 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 181.4 MB). Free memory was 1.0 GB in the beginning and 960.3 MB in the end (delta: 79.1 MB). Peak memory consumption was 260.6 MB. Max. memory is 11.5 GB. * Witness Printer took 107.54 ms. Allocated memory is still 1.4 GB. Free memory was 960.3 MB in the beginning and 937.6 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((6 == \old(a16) || 1 == \old(a7)) || !(a7 == 1)) || 13 == \old(a8)) || !(a16 == 6)) || a17 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 3.9s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 669 SDtfs, 1050 SDslu, 246 SDs, 0 SdLazy, 2091 SolverSat, 541 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 355 GetRequests, 337 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1370occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 35 PreInvPairs, 63 NumberOfFragments, 118 HoareAnnotationTreeSize, 35 FomulaSimplifications, 394 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 255 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 752 NumberOfCodeBlocks, 752 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 912 ConstructedInterpolants, 0 QuantifiedInterpolants, 352005 SizeOfPredicates, 2 NumberOfNonLiveVariables, 452 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 148/150 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...