./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8a2c97c5-3647-4593-80b2-be5915043922/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8a2c97c5-3647-4593-80b2-be5915043922/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8a2c97c5-3647-4593-80b2-be5915043922/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8a2c97c5-3647-4593-80b2-be5915043922/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8a2c97c5-3647-4593-80b2-be5915043922/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8a2c97c5-3647-4593-80b2-be5915043922/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 7ccaa093bf8ff79a61d120955ada15d034501ead .............................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 21:51:36,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:51:36,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:51:36,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:51:36,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:51:36,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:51:36,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:51:36,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:51:36,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:51:36,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:51:36,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:51:36,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:51:36,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:51:36,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:51:36,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:51:36,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:51:36,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:51:36,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:51:36,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:51:36,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:51:36,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:51:36,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:51:36,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:51:36,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:51:36,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:51:36,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:51:36,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:51:36,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:51:36,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:51:36,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:51:36,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:51:36,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:51:36,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:51:36,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:51:36,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:51:36,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:51:36,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:51:36,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:51:36,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:51:36,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:51:36,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:51:36,546 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8a2c97c5-3647-4593-80b2-be5915043922/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-12-07 21:51:36,560 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:51:36,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:51:36,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:51:36,561 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:51:36,561 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:51:36,561 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:51:36,561 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:51:36,561 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:51:36,562 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:51:36,562 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:51:36,562 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:51:36,562 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:51:36,562 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:51:36,562 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:51:36,563 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:51:36,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 21:51:36,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 21:51:36,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:51:36,564 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:51:36,564 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 21:51:36,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:51:36,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:51:36,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:51:36,565 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 21:51:36,565 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 21:51:36,565 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 21:51:36,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:51:36,565 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:51:36,565 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:51:36,565 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:51:36,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:51:36,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:51:36,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:51:36,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:51:36,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:51:36,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:51:36,567 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:51:36,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:51:36,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:51:36,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:51:36,567 INFO L138 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/run_dir_8a2c97c5-3647-4593-80b2-be5915043922/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 -> 7ccaa093bf8ff79a61d120955ada15d034501ead [2019-12-07 21:51:36,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:51:36,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:51:36,677 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:51:36,678 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:51:36,678 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:51:36,679 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8a2c97c5-3647-4593-80b2-be5915043922/bin/utaipan/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-12-07 21:51:36,717 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8a2c97c5-3647-4593-80b2-be5915043922/bin/utaipan/data/ff10b1fa7/75632cef3c364891ac9fa331bdd299db/FLAGdcbbd0e48 [2019-12-07 21:51:37,159 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:51:37,160 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8a2c97c5-3647-4593-80b2-be5915043922/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-12-07 21:51:37,170 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8a2c97c5-3647-4593-80b2-be5915043922/bin/utaipan/data/ff10b1fa7/75632cef3c364891ac9fa331bdd299db/FLAGdcbbd0e48 [2019-12-07 21:51:37,180 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8a2c97c5-3647-4593-80b2-be5915043922/bin/utaipan/data/ff10b1fa7/75632cef3c364891ac9fa331bdd299db [2019-12-07 21:51:37,183 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:51:37,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:51:37,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:51:37,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:51:37,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:51:37,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:51:37" (1/1) ... [2019-12-07 21:51:37,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521bf317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:37, skipping insertion in model container [2019-12-07 21:51:37,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:51:37" (1/1) ... [2019-12-07 21:51:37,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:51:37,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:51:37,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:51:37,438 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:51:37,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:51:37,500 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:51:37,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:37 WrapperNode [2019-12-07 21:51:37,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:51:37,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:51:37,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:51:37,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:51:37,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:37" (1/1) ... [2019-12-07 21:51:37,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:37" (1/1) ... [2019-12-07 21:51:37,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:51:37,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:51:37,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:51:37,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:51:37,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:37" (1/1) ... [2019-12-07 21:51:37,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:37" (1/1) ... [2019-12-07 21:51:37,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:37" (1/1) ... [2019-12-07 21:51:37,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:37" (1/1) ... [2019-12-07 21:51:37,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:37" (1/1) ... [2019-12-07 21:51:37,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:37" (1/1) ... [2019-12-07 21:51:37,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:37" (1/1) ... [2019-12-07 21:51:37,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:51:37,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:51:37,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:51:37,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:51:37,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a2c97c5-3647-4593-80b2-be5915043922/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 [2019-12-07 21:51:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:51:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:51:37,786 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,790 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,796 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,799 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,801 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,804 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,808 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,811 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,813 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,816 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,820 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,824 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,825 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,826 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,829 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,832 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,837 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,840 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,842 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,844 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,846 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,848 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,848 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:37,850 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:51:38,385 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##416: assume !false; [2019-12-07 21:51:38,386 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##415: assume false; [2019-12-07 21:51:38,386 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##445: assume false; [2019-12-07 21:51:38,386 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##290: assume false; [2019-12-07 21:51:38,386 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##291: assume !false; [2019-12-07 21:51:38,386 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##490: assume !false; [2019-12-07 21:51:38,386 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##269: assume false; [2019-12-07 21:51:38,386 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume !false; [2019-12-07 21:51:38,386 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##446: assume !false; [2019-12-07 21:51:38,386 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2019-12-07 21:51:38,386 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2019-12-07 21:51:38,387 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##463: assume false; [2019-12-07 21:51:38,387 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##464: assume !false; [2019-12-07 21:51:38,387 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##470: assume false; [2019-12-07 21:51:38,387 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2019-12-07 21:51:38,387 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##471: assume !false; [2019-12-07 21:51:38,387 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2019-12-07 21:51:38,387 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume !false; [2019-12-07 21:51:38,387 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume false; [2019-12-07 21:51:38,387 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##489: assume false; [2019-12-07 21:51:38,387 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume !false; [2019-12-07 21:51:38,387 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##245: assume false; [2019-12-07 21:51:38,388 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2019-12-07 21:51:38,388 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2019-12-07 21:51:38,388 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##86: assume !false; [2019-12-07 21:51:38,388 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume false; [2019-12-07 21:51:38,388 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##175: assume !false; [2019-12-07 21:51:38,388 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##174: assume false; [2019-12-07 21:51:38,388 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##180: assume false; [2019-12-07 21:51:38,388 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##181: assume !false; [2019-12-07 21:51:38,388 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2019-12-07 21:51:38,388 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2019-12-07 21:51:38,388 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##137: assume false; [2019-12-07 21:51:38,389 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !false; [2019-12-07 21:51:38,389 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume false; [2019-12-07 21:51:38,389 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume !false; [2019-12-07 21:51:38,389 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##393: assume false; [2019-12-07 21:51:38,389 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-12-07 21:51:38,389 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##394: assume !false; [2019-12-07 21:51:38,389 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-12-07 21:51:38,389 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2019-12-07 21:51:38,389 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2019-12-07 21:51:38,389 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2019-12-07 21:51:38,389 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2019-12-07 21:51:38,389 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##108: assume !false; [2019-12-07 21:51:38,390 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume false; [2019-12-07 21:51:38,390 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##364: assume !false; [2019-12-07 21:51:38,390 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##363: assume false; [2019-12-07 21:51:40,058 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:51:40,059 INFO L287 CfgBuilder]: Removed 207 assume(true) statements. [2019-12-07 21:51:40,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:51:40 BoogieIcfgContainer [2019-12-07 21:51:40,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:51:40,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:51:40,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:51:40,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:51:40,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:51:37" (1/3) ... [2019-12-07 21:51:40,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7805abb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:51:40, skipping insertion in model container [2019-12-07 21:51:40,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:37" (2/3) ... [2019-12-07 21:51:40,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7805abb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:51:40, skipping insertion in model container [2019-12-07 21:51:40,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:51:40" (3/3) ... [2019-12-07 21:51:40,066 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-1.c [2019-12-07 21:51:40,075 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:51:40,080 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-07 21:51:40,088 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-12-07 21:51:40,103 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:51:40,104 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 21:51:40,104 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:51:40,104 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:51:40,104 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:51:40,104 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:51:40,104 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:51:40,104 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:51:40,117 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-12-07 21:51:40,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 21:51:40,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:51:40 BoogieIcfgContainer [2019-12-07 21:51:40,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:51:40,126 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:51:40,127 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:51:40,127 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:51:40,127 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:51:40" (3/4) ... [2019-12-07 21:51:40,129 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 21:51:40,154 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 350 nodes and edges [2019-12-07 21:51:40,157 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 83 nodes and edges [2019-12-07 21:51:40,159 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2019-12-07 21:51:40,162 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 21:51:40,285 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8a2c97c5-3647-4593-80b2-be5915043922/bin/utaipan/witness.graphml [2019-12-07 21:51:40,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:51:40,287 INFO L168 Benchmark]: Toolchain (without parser) took 3102.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 937.2 MB in the beginning and 997.8 MB in the end (delta: -60.6 MB). Peak memory consumption was 106.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:40,288 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:51:40,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 931.9 MB in the beginning and 1.1 GB in the end (delta: -145.4 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:40,288 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:40,289 INFO L168 Benchmark]: Boogie Preprocessor took 47.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:40,289 INFO L168 Benchmark]: RCFGBuilder took 2455.60 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.1 MB). Peak memory consumption was 252.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:40,289 INFO L168 Benchmark]: TraceAbstraction took 65.42 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: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:40,289 INFO L168 Benchmark]: Witness Printer took 159.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 997.8 MB in the end (delta: 42.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:40,291 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 315.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 931.9 MB in the beginning and 1.1 GB in the end (delta: -145.4 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2455.60 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.1 MB). Peak memory consumption was 252.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 65.42 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: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. * Witness Printer took 159.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 997.8 MB in the end (delta: 42.1 MB). Peak memory consumption was 42.1 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, 69 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=69occurred 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...