./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d13bf0ca-166b-42f0-981e-d8ec7c125a91/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d13bf0ca-166b-42f0-981e-d8ec7c125a91/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d13bf0ca-166b-42f0-981e-d8ec7c125a91/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d13bf0ca-166b-42f0-981e-d8ec7c125a91/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d13bf0ca-166b-42f0-981e-d8ec7c125a91/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d13bf0ca-166b-42f0-981e-d8ec7c125a91/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 e107441daffe219fcef86523aff14082b11c5fb6 .................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:42,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:42,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:42,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:42,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:42,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:42,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:42,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:42,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:42,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:42,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:43,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:43,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:43,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:43,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:43,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:43,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:43,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:43,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:43,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:43,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:43,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:43,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:43,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:43,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:43,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:43,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:43,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:43,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:43,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:43,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:43,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:43,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:43,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:43,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:43,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:43,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:43,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:43,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:43,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:43,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:43,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d13bf0ca-166b-42f0-981e-d8ec7c125a91/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-10-22 11:22:43,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:43,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:43,034 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:43,034 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:43,034 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:43,034 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:43,034 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:43,035 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:43,035 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:43,035 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:43,035 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:43,035 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:43,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:22:43,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:22:43,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:43,036 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:43,037 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:22:43,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:43,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:43,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:43,037 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:22:43,037 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:22:43,038 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:22:43,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:43,038 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:43,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:43,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:43,039 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:43,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:43,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:43,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:43,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:43,041 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:43,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:43,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:43,042 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/working_dir_d13bf0ca-166b-42f0-981e-d8ec7c125a91/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 -> e107441daffe219fcef86523aff14082b11c5fb6 [2019-10-22 11:22:43,068 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:43,078 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:43,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:43,083 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:43,083 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:43,084 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d13bf0ca-166b-42f0-981e-d8ec7c125a91/bin/utaipan/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-10-22 11:22:43,135 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d13bf0ca-166b-42f0-981e-d8ec7c125a91/bin/utaipan/data/9e58c1a05/697c79dc445e42a1ace8b66bdfa7482b/FLAGbed08ffea [2019-10-22 11:22:43,529 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:43,530 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d13bf0ca-166b-42f0-981e-d8ec7c125a91/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-10-22 11:22:43,544 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d13bf0ca-166b-42f0-981e-d8ec7c125a91/bin/utaipan/data/9e58c1a05/697c79dc445e42a1ace8b66bdfa7482b/FLAGbed08ffea [2019-10-22 11:22:43,556 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d13bf0ca-166b-42f0-981e-d8ec7c125a91/bin/utaipan/data/9e58c1a05/697c79dc445e42a1ace8b66bdfa7482b [2019-10-22 11:22:43,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:43,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:43,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:43,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:43,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:43,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e529ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43, skipping insertion in model container [2019-10-22 11:22:43,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:43,574 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:43,624 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:43,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:43,909 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:43,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:43,988 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:43,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43 WrapperNode [2019-10-22 11:22:43,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:43,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:43,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:43,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:43,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:44,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:44,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:44,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:44,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:44,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:44,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:44,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:44,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:44,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:44,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:44,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:44,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... [2019-10-22 11:22:44,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:44,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:44,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:44,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:44,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d13bf0ca-166b-42f0-981e-d8ec7c125a91/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 [2019-10-22 11:22:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:44,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:44,397 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 11:22:44,411 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 11:22:44,431 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 11:22:44,441 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 11:22:44,459 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 11:22:44,471 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 11:22:44,481 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 11:22:44,485 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 11:22:44,493 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 11:22:44,498 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 11:22:44,500 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 11:22:44,512 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 11:22:45,310 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2019-10-22 11:22:45,311 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2019-10-22 11:22:45,311 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2019-10-22 11:22:45,311 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2019-10-22 11:22:45,311 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2019-10-22 11:22:45,311 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2019-10-22 11:22:45,311 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2019-10-22 11:22:45,311 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2019-10-22 11:22:45,312 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2019-10-22 11:22:45,312 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2019-10-22 11:22:45,314 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-10-22 11:22:45,314 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-10-22 11:22:45,314 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2019-10-22 11:22:45,315 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2019-10-22 11:22:45,315 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2019-10-22 11:22:45,315 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2019-10-22 11:22:45,315 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2019-10-22 11:22:45,315 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2019-10-22 11:22:45,315 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2019-10-22 11:22:45,316 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2019-10-22 11:22:45,316 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-10-22 11:22:45,316 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-10-22 11:22:45,316 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2019-10-22 11:22:45,316 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2019-10-22 11:22:45,318 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:45,318 INFO L284 CfgBuilder]: Removed 154 assume(true) statements. [2019-10-22 11:22:45,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:45 BoogieIcfgContainer [2019-10-22 11:22:45,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:45,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:45,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:45,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:45,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:43" (1/3) ... [2019-10-22 11:22:45,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c5ae11d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:45, skipping insertion in model container [2019-10-22 11:22:45,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:43" (2/3) ... [2019-10-22 11:22:45,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c5ae11d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:45, skipping insertion in model container [2019-10-22 11:22:45,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:45" (3/3) ... [2019-10-22 11:22:45,327 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.c [2019-10-22 11:22:45,337 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:45,345 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-10-22 11:22:45,355 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-10-22 11:22:45,374 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:45,374 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:22:45,374 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:45,374 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:45,374 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:45,374 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:45,375 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:45,375 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:45,394 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states. [2019-10-22 11:22:45,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:22:45,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:22:45 BoogieIcfgContainer [2019-10-22 11:22:45,409 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:22:45,409 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:22:45,409 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:22:45,409 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:22:45,410 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:45" (3/4) ... [2019-10-22 11:22:45,414 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:22:45,437 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-10-22 11:22:45,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2019-10-22 11:22:45,440 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:22:45,582 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d13bf0ca-166b-42f0-981e-d8ec7c125a91/bin/utaipan/witness.graphml [2019-10-22 11:22:45,582 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:22:45,584 INFO L168 Benchmark]: Toolchain (without parser) took 2024.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 942.3 MB in the beginning and 974.9 MB in the end (delta: -32.6 MB). Peak memory consumption was 112.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:45,584 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:45,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 942.3 MB in the beginning and 1.1 GB in the end (delta: -191.6 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:45,585 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.41 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: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:45,585 INFO L168 Benchmark]: Boogie Preprocessor took 61.78 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. [2019-10-22 11:22:45,585 INFO L168 Benchmark]: RCFGBuilder took 1149.68 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: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:45,586 INFO L168 Benchmark]: TraceAbstraction took 88.54 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:45,586 INFO L168 Benchmark]: Witness Printer took 172.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 974.9 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:45,588 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 428.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 942.3 MB in the beginning and 1.1 GB in the end (delta: -191.6 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 118.41 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: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.78 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 1149.68 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: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 88.54 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 172.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 974.9 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 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...