./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers/kbfiltr.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ec04d6b5-9a83-4980-bc2f-511a4884d02b/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ec04d6b5-9a83-4980-bc2f-511a4884d02b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ec04d6b5-9a83-4980-bc2f-511a4884d02b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ec04d6b5-9a83-4980-bc2f-511a4884d02b/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers/kbfiltr.i.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ec04d6b5-9a83-4980-bc2f-511a4884d02b/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ec04d6b5-9a83-4980-bc2f-511a4884d02b/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af624c8a0fc988c87ff13f7d30f217529fbcb2c7 ..................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 16:53:00,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 16:53:00,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 16:53:00,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 16:53:00,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 16:53:00,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 16:53:00,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 16:53:00,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 16:53:00,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 16:53:00,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 16:53:00,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 16:53:00,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 16:53:00,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 16:53:00,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 16:53:00,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 16:53:00,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 16:53:00,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 16:53:00,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 16:53:00,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 16:53:00,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 16:53:00,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 16:53:00,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 16:53:00,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 16:53:00,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 16:53:00,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 16:53:00,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 16:53:00,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 16:53:00,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 16:53:00,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 16:53:00,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 16:53:00,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 16:53:00,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 16:53:00,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 16:53:00,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 16:53:00,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 16:53:00,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 16:53:00,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 16:53:00,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 16:53:00,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 16:53:00,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 16:53:00,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 16:53:00,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ec04d6b5-9a83-4980-bc2f-511a4884d02b/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-01 16:53:00,073 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 16:53:00,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 16:53:00,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 16:53:00,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 16:53:00,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 16:53:00,074 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 16:53:00,074 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 16:53:00,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 16:53:00,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 16:53:00,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 16:53:00,075 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-01 16:53:00,075 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-01 16:53:00,075 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-01 16:53:00,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 16:53:00,075 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 16:53:00,075 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 16:53:00,075 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 16:53:00,076 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 16:53:00,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 16:53:00,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 16:53:00,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 16:53:00,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 16:53:00,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 16:53:00,076 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 16:53:00,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 16:53:00,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ec04d6b5-9a83-4980-bc2f-511a4884d02b/bin/ukojak 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 -> Kojak 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 -> af624c8a0fc988c87ff13f7d30f217529fbcb2c7 [2019-12-01 16:53:00,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 16:53:00,191 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 16:53:00,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 16:53:00,195 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 16:53:00,196 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 16:53:00,196 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ec04d6b5-9a83-4980-bc2f-511a4884d02b/bin/ukojak/../../sv-benchmarks/c/ntdrivers/kbfiltr.i.cil-1.c [2019-12-01 16:53:00,243 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec04d6b5-9a83-4980-bc2f-511a4884d02b/bin/ukojak/data/d3ccb19cf/b7dcf67d59764312befa3561fe847656/FLAGde8a3621c [2019-12-01 16:53:00,744 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 16:53:00,744 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ec04d6b5-9a83-4980-bc2f-511a4884d02b/sv-benchmarks/c/ntdrivers/kbfiltr.i.cil-1.c [2019-12-01 16:53:00,762 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec04d6b5-9a83-4980-bc2f-511a4884d02b/bin/ukojak/data/d3ccb19cf/b7dcf67d59764312befa3561fe847656/FLAGde8a3621c [2019-12-01 16:53:01,265 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ec04d6b5-9a83-4980-bc2f-511a4884d02b/bin/ukojak/data/d3ccb19cf/b7dcf67d59764312befa3561fe847656 [2019-12-01 16:53:01,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 16:53:01,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 16:53:01,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 16:53:01,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 16:53:01,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 16:53:01,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:53:01" (1/1) ... [2019-12-01 16:53:01,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71483a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:01, skipping insertion in model container [2019-12-01 16:53:01,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:53:01" (1/1) ... [2019-12-01 16:53:01,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 16:53:01,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 16:53:01,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 16:53:01,763 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 16:53:01,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 16:53:01,885 INFO L208 MainTranslator]: Completed translation [2019-12-01 16:53:01,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:01 WrapperNode [2019-12-01 16:53:01,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 16:53:01,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 16:53:01,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 16:53:01,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 16:53:01,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:01" (1/1) ... [2019-12-01 16:53:01,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:01" (1/1) ... [2019-12-01 16:53:01,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 16:53:01,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 16:53:01,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 16:53:01,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 16:53:02,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:01" (1/1) ... [2019-12-01 16:53:02,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:01" (1/1) ... [2019-12-01 16:53:02,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:01" (1/1) ... [2019-12-01 16:53:02,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:01" (1/1) ... [2019-12-01 16:53:02,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:01" (1/1) ... [2019-12-01 16:53:02,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:01" (1/1) ... [2019-12-01 16:53:02,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:01" (1/1) ... [2019-12-01 16:53:02,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 16:53:02,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 16:53:02,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 16:53:02,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 16:53:02,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:53:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ec04d6b5-9a83-4980-bc2f-511a4884d02b/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2019-12-01 16:53:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-12-01 16:53:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-01 16:53:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-01 16:53:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 16:53:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 16:53:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 16:53:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-01 16:53:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-01 16:53:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 16:53:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-12-01 16:53:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 16:53:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 16:53:02,514 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-01 16:53:02,518 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-01 16:53:02,522 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-01 16:53:02,533 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-01 16:53:02,543 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-01 16:53:02,550 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-01 16:53:02,558 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-01 16:53:02,560 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-01 16:53:02,563 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-01 16:53:02,566 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-01 16:53:02,568 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-01 16:53:02,571 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-01 16:53:02,572 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-01 16:53:02,581 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-01 16:53:06,054 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume !false; [2019-12-01 16:53:06,054 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##200: assume false; [2019-12-01 16:53:06,054 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume false; [2019-12-01 16:53:06,054 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##259: assume !false; [2019-12-01 16:53:06,054 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false; [2019-12-01 16:53:06,054 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2019-12-01 16:53:06,055 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##231: assume !false; [2019-12-01 16:53:06,055 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##230: assume false; [2019-12-01 16:53:06,055 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##319: assume !false; [2019-12-01 16:53:06,055 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##318: assume false; [2019-12-01 16:53:06,055 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##341: assume !false; [2019-12-01 16:53:06,055 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##340: assume false; [2019-12-01 16:53:06,055 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##360: assume false; [2019-12-01 16:53:06,056 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##361: assume !false; [2019-12-01 16:53:06,056 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##427: assume false; [2019-12-01 16:53:06,056 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##428: assume !false; [2019-12-01 16:53:06,056 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2019-12-01 16:53:06,056 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2019-12-01 16:53:06,056 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##36: assume !false; [2019-12-01 16:53:06,056 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume false; [2019-12-01 16:53:06,057 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2019-12-01 16:53:06,057 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2019-12-01 16:53:06,057 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##173: assume false; [2019-12-01 16:53:06,058 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##174: assume !false; [2019-12-01 16:53:06,058 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2019-12-01 16:53:06,058 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2019-12-01 16:53:06,058 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume !false; [2019-12-01 16:53:06,058 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##113: assume false; [2019-12-01 16:53:06,903 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 16:53:06,903 INFO L287 CfgBuilder]: Removed 178 assume(true) statements. [2019-12-01 16:53:06,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:53:06 BoogieIcfgContainer [2019-12-01 16:53:06,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 16:53:06,905 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 16:53:06,905 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 16:53:06,913 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 16:53:06,913 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:53:06" (1/1) ... [2019-12-01 16:53:06,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 16:53:06,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:53:06,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 2603 states and 2743 transitions. [2019-12-01 16:53:06,977 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 2743 transitions. [2019-12-01 16:53:06,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-12-01 16:53:06,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:53:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:53:07,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:53:07,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:53:07,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2742 states to 2602 states and 2742 transitions. [2019-12-01 16:53:07,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 2742 transitions. [2019-12-01 16:53:07,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-12-01 16:53:07,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:53:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 16:53:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 16:53:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 16:53:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 16:53:07,411 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2019-12-01 16:53:07,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:53:07 ImpRootNode [2019-12-01 16:53:07,444 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 16:53:07,445 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 16:53:07,445 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 16:53:07,445 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 16:53:07,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:53:06" (3/4) ... [2019-12-01 16:53:07,447 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 16:53:07,503 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ec04d6b5-9a83-4980-bc2f-511a4884d02b/bin/ukojak/witness.graphml [2019-12-01 16:53:07,503 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 16:53:07,504 INFO L168 Benchmark]: Toolchain (without parser) took 6235.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 937.9 MB in the beginning and 934.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 182.5 MB. Max. memory is 11.5 GB. [2019-12-01 16:53:07,505 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 16:53:07,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 937.9 MB in the beginning and 1.0 GB in the end (delta: -95.5 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2019-12-01 16:53:07,506 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-01 16:53:07,507 INFO L168 Benchmark]: Boogie Preprocessor took 103.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 985.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-12-01 16:53:07,508 INFO L168 Benchmark]: RCFGBuilder took 4807.01 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 985.0 MB in the beginning and 991.2 MB in the end (delta: -6.1 MB). Peak memory consumption was 269.7 MB. Max. memory is 11.5 GB. [2019-12-01 16:53:07,508 INFO L168 Benchmark]: CodeCheck took 539.09 ms. Allocated memory is still 1.2 GB. Free memory was 991.2 MB in the beginning and 943.8 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 11.5 GB. [2019-12-01 16:53:07,509 INFO L168 Benchmark]: Witness Printer took 58.12 ms. Allocated memory is still 1.2 GB. Free memory was 943.8 MB in the beginning and 934.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2019-12-01 16:53:07,513 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 2603 locations, 1611 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 5 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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 - CounterExampleResult [Line: 1692]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L1650] int s ; [L1651] int UNLOADED ; [L1652] int NP ; [L1653] int DC ; [L1654] int SKIP1 ; [L1655] int SKIP2 ; [L1656] int MPR1 ; [L1657] int MPR3 ; [L1658] int IPC ; [L1659] int pended ; [L1660] NTSTATUS (*compFptr)(PDEVICE_OBJECT DeviceObject , PIRP Irp , PVOID Context ) ; [L1661] int compRegistered ; [L1662] int lowerDriverReturn ; [L1663] int setEventCalled ; [L1664] int customIrp ; [L1665] int myStatus ; [L2361] IRP *pirp ; [L2557] char _SLAM_alloc_dummy ; [L2377] DRIVER_OBJECT d ; [L2378] UNICODE_STRING u ; [L2379] NTSTATUS status ; [L2380] int we_should_unload = __VERIFIER_nondet_int() ; [L2381] PIRP irp ; [L2382] int __BLAST_NONDET = __VERIFIER_nondet_int() ; [L2383] int irp_choice = __VERIFIER_nondet_int() ; [L2384] DEVICE_OBJECT devobj ; [L2388] pirp = & irp [L1670] UNLOADED = 0 [L1671] NP = 1 [L1672] DC = 2 [L1673] SKIP1 = 3 [L1674] SKIP2 = 4 [L1675] MPR1 = 5 [L1676] MPR3 = 6 [L1677] IPC = 7 [L1678] s = UNLOADED [L1679] pended = 0 [L1680] compFptr = 0 [L1681] compRegistered = 0 [L1682] lowerDriverReturn = 0 [L1683] setEventCalled = 0 [L1684] customIrp = 0 [L1689] ULONG i = __VERIFIER_nondet_long() ; [L1692] DriverObject->MajorFunction[i] = & KbFilter_DispatchPassThrough * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 617.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 937.9 MB in the beginning and 1.0 GB in the end (delta: -95.5 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 107.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 103.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 985.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4807.01 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 985.0 MB in the beginning and 991.2 MB in the end (delta: -6.1 MB). Peak memory consumption was 269.7 MB. Max. memory is 11.5 GB. * CodeCheck took 539.09 ms. Allocated memory is still 1.2 GB. Free memory was 991.2 MB in the beginning and 943.8 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 11.5 GB. * Witness Printer took 58.12 ms. Allocated memory is still 1.2 GB. Free memory was 943.8 MB in the beginning and 934.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...