./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b5699aa Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6186d489-2e53-428e-8fe0-1d9a37909684/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6186d489-2e53-428e-8fe0-1d9a37909684/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6186d489-2e53-428e-8fe0-1d9a37909684/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6186d489-2e53-428e-8fe0-1d9a37909684/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6186d489-2e53-428e-8fe0-1d9a37909684/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6186d489-2e53-428e-8fe0-1d9a37909684/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99a77f5372e1d3174eb539425b8da52ff3b34c76 ...................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 02:47:19,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:47:19,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:47:19,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:47:19,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:47:19,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:47:19,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:47:19,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:47:19,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:47:19,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:47:19,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:47:19,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:47:19,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:47:19,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:47:19,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:47:19,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:47:19,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:47:19,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:47:19,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:47:19,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:47:19,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:47:19,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:47:19,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:47:19,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:47:19,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:47:19,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:47:19,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:47:19,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:47:19,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:47:19,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:47:19,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:47:19,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:47:19,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:47:19,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:47:19,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:47:19,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:47:19,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:47:19,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:47:19,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:47:19,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:47:19,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:47:19,400 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6186d489-2e53-428e-8fe0-1d9a37909684/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-11-26 02:47:19,412 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:47:19,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:47:19,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:47:19,413 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:47:19,413 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:47:19,413 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:47:19,414 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:47:19,414 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:47:19,414 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:47:19,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:47:19,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:47:19,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:47:19,415 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:47:19,415 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:47:19,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:47:19,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:47:19,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:47:19,416 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 02:47:19,416 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 02:47:19,416 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 02:47:19,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:47:19,417 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:47:19,417 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:47:19,417 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:47:19,417 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:47:19,417 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:47:19,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:47:19,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:47:19,418 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:47:19,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:47:19,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:47:19,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:47:19,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:47:19,419 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:47:19,419 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:47:19,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:47:19,420 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_6186d489-2e53-428e-8fe0-1d9a37909684/bin/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 99a77f5372e1d3174eb539425b8da52ff3b34c76 [2019-11-26 02:47:19,563 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:47:19,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:47:19,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:47:19,577 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:47:19,578 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:47:19,578 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6186d489-2e53-428e-8fe0-1d9a37909684/bin/utaipan/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-26 02:47:19,628 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6186d489-2e53-428e-8fe0-1d9a37909684/bin/utaipan/data/bd07e3b82/139ad08250df45f297f7fd1f5fc247f5/FLAGe4fae333b [2019-11-26 02:47:20,050 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:47:20,050 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6186d489-2e53-428e-8fe0-1d9a37909684/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-26 02:47:20,063 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6186d489-2e53-428e-8fe0-1d9a37909684/bin/utaipan/data/bd07e3b82/139ad08250df45f297f7fd1f5fc247f5/FLAGe4fae333b [2019-11-26 02:47:20,075 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6186d489-2e53-428e-8fe0-1d9a37909684/bin/utaipan/data/bd07e3b82/139ad08250df45f297f7fd1f5fc247f5 [2019-11-26 02:47:20,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:47:20,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:47:20,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:47:20,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:47:20,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:47:20,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:47:20" (1/1) ... [2019-11-26 02:47:20,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d2b1b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:20, skipping insertion in model container [2019-11-26 02:47:20,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:47:20" (1/1) ... [2019-11-26 02:47:20,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:47:20,162 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:47:20,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:47:20,503 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:47:20,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:47:20,588 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:47:20,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:20 WrapperNode [2019-11-26 02:47:20,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:47:20,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:47:20,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:47:20,590 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:47:20,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:20" (1/1) ... [2019-11-26 02:47:20,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:20" (1/1) ... [2019-11-26 02:47:20,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:47:20,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:47:20,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:47:20,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:47:20,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:20" (1/1) ... [2019-11-26 02:47:20,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:20" (1/1) ... [2019-11-26 02:47:20,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:20" (1/1) ... [2019-11-26 02:47:20,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:20" (1/1) ... [2019-11-26 02:47:20,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:20" (1/1) ... [2019-11-26 02:47:20,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:20" (1/1) ... [2019-11-26 02:47:20,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:20" (1/1) ... [2019-11-26 02:47:20,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:47:20,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:47:20,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:47:20,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:47:20,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6186d489-2e53-428e-8fe0-1d9a37909684/bin/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 [2019-11-26 02:47:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:47:20,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:47:21,139 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:47:21,144 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:47:21,150 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:47:21,156 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:47:21,158 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:47:21,161 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:47:21,165 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:47:21,169 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:47:21,172 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:47:21,174 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:47:21,177 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:47:21,183 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:47:22,187 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2019-11-26 02:47:22,188 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2019-11-26 02:47:22,188 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2019-11-26 02:47:22,188 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2019-11-26 02:47:22,188 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2019-11-26 02:47:22,188 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2019-11-26 02:47:22,190 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2019-11-26 02:47:22,190 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2019-11-26 02:47:22,191 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2019-11-26 02:47:22,191 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2019-11-26 02:47:22,191 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-11-26 02:47:22,191 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-11-26 02:47:22,191 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2019-11-26 02:47:22,191 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2019-11-26 02:47:22,192 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2019-11-26 02:47:22,192 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2019-11-26 02:47:22,192 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2019-11-26 02:47:22,192 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2019-11-26 02:47:22,194 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2019-11-26 02:47:22,195 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2019-11-26 02:47:22,195 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-11-26 02:47:22,195 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-11-26 02:47:22,195 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2019-11-26 02:47:22,195 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2019-11-26 02:47:22,197 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:47:22,197 INFO L284 CfgBuilder]: Removed 154 assume(true) statements. [2019-11-26 02:47:22,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:47:22 BoogieIcfgContainer [2019-11-26 02:47:22,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:47:22,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:47:22,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:47:22,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:47:22,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:47:20" (1/3) ... [2019-11-26 02:47:22,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1f555c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:47:22, skipping insertion in model container [2019-11-26 02:47:22,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:20" (2/3) ... [2019-11-26 02:47:22,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1f555c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:47:22, skipping insertion in model container [2019-11-26 02:47:22,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:47:22" (3/3) ... [2019-11-26 02:47:22,207 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.c [2019-11-26 02:47:22,215 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:47:22,220 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-26 02:47:22,227 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-26 02:47:22,245 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:47:22,245 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-26 02:47:22,245 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:47:22,246 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:47:22,246 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:47:22,246 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:47:22,246 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:47:22,246 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:47:22,268 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states. [2019-11-26 02:47:22,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:47:22,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:47:22 BoogieIcfgContainer [2019-11-26 02:47:22,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:47:22,285 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:47:22,285 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:47:22,285 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:47:22,286 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:47:22" (3/4) ... [2019-11-26 02:47:22,289 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:47:22,317 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-11-26 02:47:22,319 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2019-11-26 02:47:22,322 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:47:22,485 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6186d489-2e53-428e-8fe0-1d9a37909684/bin/utaipan/witness.graphml [2019-11-26 02:47:22,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:47:22,487 INFO L168 Benchmark]: Toolchain (without parser) took 2407.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 944.7 MB in the beginning and 990.8 MB in the end (delta: -46.1 MB). Peak memory consumption was 114.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:22,488 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:47:22,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -198.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:22,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:22,488 INFO L168 Benchmark]: Boogie Preprocessor took 77.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:47:22,489 INFO L168 Benchmark]: RCFGBuilder took 1454.35 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: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:22,489 INFO L168 Benchmark]: TraceAbstraction took 83.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:22,489 INFO L168 Benchmark]: Witness Printer took 200.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 990.8 MB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:22,491 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 509.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -198.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1454.35 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: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 83.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Witness Printer took 200.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 990.8 MB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 300 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=300occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...