./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eef3bcb3-6575-4902-bbef-924215550487/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_eef3bcb3-6575-4902-bbef-924215550487/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eef3bcb3-6575-4902-bbef-924215550487/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eef3bcb3-6575-4902-bbef-924215550487/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_eef3bcb3-6575-4902-bbef-924215550487/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eef3bcb3-6575-4902-bbef-924215550487/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 --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:22:00,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:22:00,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:22:00,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:22:00,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:22:00,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:22:00,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:22:00,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:22:00,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:22:00,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:22:00,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:22:00,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:22:00,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:22:00,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:22:00,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:22:00,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:22:00,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:22:00,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:22:00,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:22:00,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:22:00,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:22:00,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:22:00,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:22:00,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:22:00,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:22:00,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:22:00,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:22:00,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:22:00,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:22:00,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:22:00,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:22:00,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:22:00,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:22:00,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:22:00,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:22:00,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:22:00,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:22:00,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:22:00,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:22:00,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:22:00,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:22:00,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eef3bcb3-6575-4902-bbef-924215550487/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-12-07 11:22:00,060 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:22:00,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:22:00,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:22:00,061 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:22:00,061 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:22:00,061 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:22:00,061 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 11:22:00,061 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:22:00,061 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:22:00,061 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 11:22:00,062 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 11:22:00,062 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:22:00,062 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 11:22:00,062 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 11:22:00,062 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 11:22:00,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:22:00,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:22:00,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:22:00,063 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:22:00,063 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 11:22:00,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:22:00,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:22:00,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:22:00,063 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 11:22:00,063 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 11:22:00,064 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 11:22:00,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:22:00,064 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:22:00,064 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:22:00,064 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:22:00,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:22:00,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:22:00,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:22:00,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:22:00,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:22:00,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:22:00,065 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 11:22:00,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:22:00,065 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:22:00,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:22:00,065 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_eef3bcb3-6575-4902-bbef-924215550487/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 [2019-12-07 11:22:00,164 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:22:00,171 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:22:00,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:22:00,174 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:22:00,175 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:22:00,175 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eef3bcb3-6575-4902-bbef-924215550487/bin/utaipan/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-12-07 11:22:00,216 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eef3bcb3-6575-4902-bbef-924215550487/bin/utaipan/data/761a06fd9/c605a2e1511d4d27a3f049633e862736/FLAGcb2afd164 [2019-12-07 11:22:00,634 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:22:00,634 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eef3bcb3-6575-4902-bbef-924215550487/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-12-07 11:22:00,642 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eef3bcb3-6575-4902-bbef-924215550487/bin/utaipan/data/761a06fd9/c605a2e1511d4d27a3f049633e862736/FLAGcb2afd164 [2019-12-07 11:22:01,012 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eef3bcb3-6575-4902-bbef-924215550487/bin/utaipan/data/761a06fd9/c605a2e1511d4d27a3f049633e862736 [2019-12-07 11:22:01,018 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:22:01,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:22:01,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:22:01,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:22:01,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:22:01,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:22:01" (1/1) ... [2019-12-07 11:22:01,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dfdd81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:01, skipping insertion in model container [2019-12-07 11:22:01,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:22:01" (1/1) ... [2019-12-07 11:22:01,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:22:01,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:22:01,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:22:01,265 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:22:01,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:22:01,320 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:22:01,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:01 WrapperNode [2019-12-07 11:22:01,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:22:01,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:22:01,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:22:01,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:22:01,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:01" (1/1) ... [2019-12-07 11:22:01,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:01" (1/1) ... [2019-12-07 11:22:01,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:22:01,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:22:01,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:22:01,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:22:01,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:01" (1/1) ... [2019-12-07 11:22:01,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:01" (1/1) ... [2019-12-07 11:22:01,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:01" (1/1) ... [2019-12-07 11:22:01,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:01" (1/1) ... [2019-12-07 11:22:01,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:01" (1/1) ... [2019-12-07 11:22:01,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:01" (1/1) ... [2019-12-07 11:22:01,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:01" (1/1) ... [2019-12-07 11:22:01,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:22:01,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:22:01,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:22:01,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:22:01,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eef3bcb3-6575-4902-bbef-924215550487/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 11:22:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:22:01,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:22:01,576 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 11:22:01,582 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 11:22:01,590 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 11:22:01,597 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 11:22:01,602 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 11:22:01,606 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 11:22:01,612 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 11:22:01,619 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 11:22:01,626 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 11:22:01,630 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 11:22:01,632 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 11:22:01,639 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 11:22:02,082 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2019-12-07 11:22:02,082 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2019-12-07 11:22:02,082 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2019-12-07 11:22:02,082 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2019-12-07 11:22:02,082 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2019-12-07 11:22:02,082 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2019-12-07 11:22:02,082 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2019-12-07 11:22:02,083 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2019-12-07 11:22:02,083 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2019-12-07 11:22:02,083 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2019-12-07 11:22:02,083 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-12-07 11:22:02,083 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-12-07 11:22:02,083 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2019-12-07 11:22:02,083 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2019-12-07 11:22:02,083 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2019-12-07 11:22:02,083 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2019-12-07 11:22:02,083 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2019-12-07 11:22:02,083 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2019-12-07 11:22:02,084 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2019-12-07 11:22:02,084 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2019-12-07 11:22:02,084 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-12-07 11:22:02,084 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-12-07 11:22:02,084 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2019-12-07 11:22:02,084 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2019-12-07 11:22:03,475 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:22:03,476 INFO L287 CfgBuilder]: Removed 154 assume(true) statements. [2019-12-07 11:22:03,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:22:03 BoogieIcfgContainer [2019-12-07 11:22:03,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:22:03,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:22:03,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:22:03,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:22:03,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:22:01" (1/3) ... [2019-12-07 11:22:03,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e05330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:22:03, skipping insertion in model container [2019-12-07 11:22:03,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:22:01" (2/3) ... [2019-12-07 11:22:03,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e05330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:22:03, skipping insertion in model container [2019-12-07 11:22:03,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:22:03" (3/3) ... [2019-12-07 11:22:03,483 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.c [2019-12-07 11:22:03,489 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:22:03,494 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-07 11:22:03,502 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-12-07 11:22:03,518 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:22:03,518 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 11:22:03,518 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:22:03,518 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:22:03,519 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:22:03,519 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:22:03,519 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:22:03,519 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:22:03,530 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2019-12-07 11:22:03,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:22:03,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:22:03 BoogieIcfgContainer [2019-12-07 11:22:03,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:22:03,539 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:22:03,539 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:22:03,539 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:22:03,539 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:22:03" (3/4) ... [2019-12-07 11:22:03,541 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 11:22:03,567 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 275 nodes and edges [2019-12-07 11:22:03,570 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2019-12-07 11:22:03,573 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 11:22:03,682 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_eef3bcb3-6575-4902-bbef-924215550487/bin/utaipan/witness.graphml [2019-12-07 11:22:03,682 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:22:03,683 INFO L168 Benchmark]: Toolchain (without parser) took 2663.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2019-12-07 11:22:03,683 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:22:03,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -143.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:22:03,684 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.22 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 11:22:03,684 INFO L168 Benchmark]: Boogie Preprocessor took 54.68 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 11:22:03,685 INFO L168 Benchmark]: RCFGBuilder took 2048.11 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -62.0 MB). Peak memory consumption was 255.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:22:03,685 INFO L168 Benchmark]: TraceAbstraction took 61.14 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: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:22:03,685 INFO L168 Benchmark]: Witness Printer took 143.12 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: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:22:03,686 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 960.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 299.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -143.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.22 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 54.68 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 2048.11 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -62.0 MB). Peak memory consumption was 255.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 61.14 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: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. * Witness Printer took 143.12 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: 28.6 MB). Peak memory consumption was 28.6 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, 51 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=51occurred 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...