./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b5699aa Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1cfdb42a-6a45-4993-81d5-ba239464e371/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1cfdb42a-6a45-4993-81d5-ba239464e371/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1cfdb42a-6a45-4993-81d5-ba239464e371/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1cfdb42a-6a45-4993-81d5-ba239464e371/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1cfdb42a-6a45-4993-81d5-ba239464e371/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1cfdb42a-6a45-4993-81d5-ba239464e371/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 507de3a6972fe7d98868a5d3779c0d8ce42b046d .................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 02:14:17,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:14:17,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:14:17,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:14:17,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:14:17,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:14:17,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:14:17,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:14:17,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:14:17,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:14:17,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:14:17,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:14:17,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:14:17,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:14:17,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:14:17,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:14:17,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:14:17,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:14:17,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:14:17,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:14:17,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:14:17,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:14:17,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:14:17,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:14:17,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:14:17,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:14:17,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:14:17,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:14:17,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:14:17,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:14:17,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:14:17,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:14:17,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:14:17,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:14:17,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:14:17,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:14:17,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:14:17,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:14:17,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:14:17,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:14:17,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:14:17,166 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1cfdb42a-6a45-4993-81d5-ba239464e371/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-11-26 02:14:17,188 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:14:17,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:14:17,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:14:17,190 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:14:17,190 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:14:17,191 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:14:17,191 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:14:17,191 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:14:17,191 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:14:17,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:14:17,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:14:17,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:14:17,193 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:14:17,194 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:14:17,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:14:17,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:14:17,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:14:17,195 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 02:14:17,195 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 02:14:17,195 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 02:14:17,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:14:17,196 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:14:17,196 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:14:17,196 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:14:17,196 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:14:17,197 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:14:17,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:14:17,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:14:17,197 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:14:17,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:14:17,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:14:17,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:14:17,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:14:17,199 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:14:17,199 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:14:17,199 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:14:17,199 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1cfdb42a-6a45-4993-81d5-ba239464e371/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 -> 507de3a6972fe7d98868a5d3779c0d8ce42b046d [2019-11-26 02:14:17,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:14:17,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:14:17,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:14:17,377 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:14:17,377 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:14:17,378 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1cfdb42a-6a45-4993-81d5-ba239464e371/bin/utaipan/../../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c [2019-11-26 02:14:17,430 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1cfdb42a-6a45-4993-81d5-ba239464e371/bin/utaipan/data/c1f600990/c4744d1d51ca4b5d88e807cfd6dc0e88/FLAG62ed0730f [2019-11-26 02:14:17,894 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:14:17,894 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1cfdb42a-6a45-4993-81d5-ba239464e371/sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c [2019-11-26 02:14:17,916 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1cfdb42a-6a45-4993-81d5-ba239464e371/bin/utaipan/data/c1f600990/c4744d1d51ca4b5d88e807cfd6dc0e88/FLAG62ed0730f [2019-11-26 02:14:18,220 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1cfdb42a-6a45-4993-81d5-ba239464e371/bin/utaipan/data/c1f600990/c4744d1d51ca4b5d88e807cfd6dc0e88 [2019-11-26 02:14:18,223 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:14:18,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:14:18,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:14:18,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:14:18,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:14:18,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:14:18" (1/1) ... [2019-11-26 02:14:18,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a23bb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:18, skipping insertion in model container [2019-11-26 02:14:18,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:14:18" (1/1) ... [2019-11-26 02:14:18,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:14:18,299 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:14:18,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:14:18,712 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:14:18,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:14:18,846 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:14:18,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:18 WrapperNode [2019-11-26 02:14:18,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:14:18,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:14:18,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:14:18,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:14:18,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:18" (1/1) ... [2019-11-26 02:14:18,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:18" (1/1) ... [2019-11-26 02:14:18,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:14:18,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:14:18,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:14:18,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:14:18,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:18" (1/1) ... [2019-11-26 02:14:18,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:18" (1/1) ... [2019-11-26 02:14:18,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:18" (1/1) ... [2019-11-26 02:14:18,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:18" (1/1) ... [2019-11-26 02:14:19,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:18" (1/1) ... [2019-11-26 02:14:19,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:18" (1/1) ... [2019-11-26 02:14:19,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:18" (1/1) ... [2019-11-26 02:14:19,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:14:19,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:14:19,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:14:19,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:14:19,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1cfdb42a-6a45-4993-81d5-ba239464e371/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:14:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:14:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:14:19,370 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,384 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,388 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,396 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,400 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,405 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,411 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,415 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,417 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,424 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,427 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,436 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,440 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,443 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,444 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,448 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,463 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,477 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,479 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,481 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,485 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:19,488 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:14:20,867 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##674: assume !false; [2019-11-26 02:14:20,867 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##673: assume false; [2019-11-26 02:14:20,867 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##618: assume !false; [2019-11-26 02:14:20,867 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##617: assume false; [2019-11-26 02:14:20,868 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##296: assume !false; [2019-11-26 02:14:20,868 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##295: assume false; [2019-11-26 02:14:20,868 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##256: assume !false; [2019-11-26 02:14:20,868 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##255: assume false; [2019-11-26 02:14:20,868 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##217: assume !false; [2019-11-26 02:14:20,868 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##216: assume false; [2019-11-26 02:14:20,869 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##247: assume !false; [2019-11-26 02:14:20,869 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume false; [2019-11-26 02:14:20,869 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##724: assume !false; [2019-11-26 02:14:20,869 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##723: assume false; [2019-11-26 02:14:20,869 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##375: assume !false; [2019-11-26 02:14:20,869 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##374: assume false; [2019-11-26 02:14:20,870 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##326: assume !false; [2019-11-26 02:14:20,870 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##325: assume false; [2019-11-26 02:14:20,870 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##335: assume !false; [2019-11-26 02:14:20,870 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##334: assume false; [2019-11-26 02:14:20,870 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##405: assume !false; [2019-11-26 02:14:20,870 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##404: assume false; [2019-11-26 02:14:20,871 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##412: assume false; [2019-11-26 02:14:20,871 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##413: assume !false; [2019-11-26 02:14:20,871 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##452: assume false; [2019-11-26 02:14:20,871 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##453: assume !false; [2019-11-26 02:14:20,872 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##483: assume !false; [2019-11-26 02:14:20,872 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##482: assume false; [2019-11-26 02:14:20,872 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##543: assume !false; [2019-11-26 02:14:20,872 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##542: assume false; [2019-11-26 02:14:20,872 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##98: assume !false; [2019-11-26 02:14:20,872 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##97: assume false; [2019-11-26 02:14:20,873 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##80: assume !false; [2019-11-26 02:14:20,875 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume !false; [2019-11-26 02:14:20,876 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##171: assume false; [2019-11-26 02:14:20,876 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##177: assume !false; [2019-11-26 02:14:20,876 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##176: assume false; [2019-11-26 02:14:20,877 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##79: assume false; [2019-11-26 02:14:20,877 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##142: assume !false; [2019-11-26 02:14:20,877 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume false; [2019-11-26 02:14:20,877 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-11-26 02:14:20,877 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-11-26 02:14:20,878 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##573: assume !false; [2019-11-26 02:14:20,879 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##572: assume false; [2019-11-26 02:14:20,880 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:14:20,880 INFO L284 CfgBuilder]: Removed 267 assume(true) statements. [2019-11-26 02:14:20,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:14:20 BoogieIcfgContainer [2019-11-26 02:14:20,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:14:20,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:14:20,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:14:20,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:14:20,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:14:18" (1/3) ... [2019-11-26 02:14:20,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3656bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:14:20, skipping insertion in model container [2019-11-26 02:14:20,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:18" (2/3) ... [2019-11-26 02:14:20,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3656bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:14:20, skipping insertion in model container [2019-11-26 02:14:20,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:14:20" (3/3) ... [2019-11-26 02:14:20,890 INFO L109 eAbstractionObserver]: Analyzing ICFG diskperf_simpl1.cil.c [2019-11-26 02:14:20,898 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:14:20,905 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-26 02:14:20,915 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-26 02:14:20,939 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:14:20,939 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-26 02:14:20,940 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:14:20,940 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:14:20,940 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:14:20,940 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:14:20,940 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:14:20,941 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:14:20,977 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states. [2019-11-26 02:14:21,001 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:14:21,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:14:21 BoogieIcfgContainer [2019-11-26 02:14:21,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:14:21,006 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:14:21,006 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:14:21,006 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:14:21,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:14:20" (3/4) ... [2019-11-26 02:14:21,013 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:14:21,058 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 128 nodes and edges [2019-11-26 02:14:21,063 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2019-11-26 02:14:21,067 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:14:21,072 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-26 02:14:21,342 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1cfdb42a-6a45-4993-81d5-ba239464e371/bin/utaipan/witness.graphml [2019-11-26 02:14:21,343 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:14:21,345 INFO L168 Benchmark]: Toolchain (without parser) took 3120.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 221.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:21,345 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:14:21,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:21,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.04 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:21,347 INFO L168 Benchmark]: Boogie Preprocessor took 115.29 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:21,347 INFO L168 Benchmark]: RCFGBuilder took 1793.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 929.7 MB in the end (delta: 168.4 MB). Peak memory consumption was 168.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:21,348 INFO L168 Benchmark]: TraceAbstraction took 122.53 ms. Allocated memory is still 1.2 GB. Free memory was 924.3 MB in the beginning and 919.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:21,348 INFO L168 Benchmark]: Witness Printer took 337.27 ms. Allocated memory is still 1.2 GB. Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -200.5 MB). Peak memory consumption was 62.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:21,350 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 618.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 124.04 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 115.29 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1793.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 929.7 MB in the end (delta: 168.4 MB). Peak memory consumption was 168.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 122.53 ms. Allocated memory is still 1.2 GB. Free memory was 924.3 MB in the beginning and 919.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Witness Printer took 337.27 ms. Allocated memory is still 1.2 GB. Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -200.5 MB). Peak memory consumption was 62.8 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, 506 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=506occurred 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...