./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.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_9b46ce80-f421-4787-922c-1f6b2bec3fd8/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9b46ce80-f421-4787-922c-1f6b2bec3fd8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9b46ce80-f421-4787-922c-1f6b2bec3fd8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9b46ce80-f421-4787-922c-1f6b2bec3fd8/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9b46ce80-f421-4787-922c-1f6b2bec3fd8/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9b46ce80-f421-4787-922c-1f6b2bec3fd8/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 e4d1760c3f63950e961525df0d726cb05fa47146 ............................................................................................................................................................................................................................................................................................................... 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 03:01:43,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 03:01:43,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 03:01:43,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 03:01:43,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 03:01:43,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 03:01:43,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 03:01:43,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 03:01:43,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 03:01:43,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 03:01:43,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 03:01:43,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 03:01:43,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 03:01:43,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 03:01:43,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 03:01:43,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 03:01:43,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 03:01:43,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 03:01:43,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 03:01:43,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 03:01:43,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 03:01:43,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 03:01:43,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 03:01:43,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 03:01:43,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 03:01:43,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 03:01:43,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 03:01:43,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 03:01:43,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 03:01:43,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 03:01:43,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 03:01:43,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 03:01:43,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 03:01:43,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 03:01:43,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 03:01:43,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 03:01:43,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 03:01:43,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 03:01:43,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 03:01:43,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 03:01:43,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 03:01:43,573 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9b46ce80-f421-4787-922c-1f6b2bec3fd8/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2019-11-26 03:01:43,598 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 03:01:43,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 03:01:43,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 03:01:43,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 03:01:43,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 03:01:43,609 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 03:01:43,610 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 03:01:43,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 03:01:43,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 03:01:43,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 03:01:43,611 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 03:01:43,611 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 03:01:43,611 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 03:01:43,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 03:01:43,611 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 03:01:43,612 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 03:01:43,612 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 03:01:43,612 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 03:01:43,612 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 03:01:43,613 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 03:01:43,614 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 03:01:43,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 03:01:43,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 03:01:43,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 03:01:43,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 03:01:43,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 03:01:43,615 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 03:01:43,615 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 03:01:43,616 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-11-26 03:01:43,616 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 03:01:43,616 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_9b46ce80-f421-4787-922c-1f6b2bec3fd8/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 -> e4d1760c3f63950e961525df0d726cb05fa47146 [2019-11-26 03:01:43,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 03:01:43,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 03:01:43,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 03:01:43,806 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 03:01:43,807 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 03:01:43,808 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9b46ce80-f421-4787-922c-1f6b2bec3fd8/bin/ukojak/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-11-26 03:01:43,862 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9b46ce80-f421-4787-922c-1f6b2bec3fd8/bin/ukojak/data/8a6e21aa7/7a446d9daf894eb5a4c028bdf600204d/FLAGf16dcf49a [2019-11-26 03:01:44,294 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 03:01:44,295 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9b46ce80-f421-4787-922c-1f6b2bec3fd8/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-11-26 03:01:44,319 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9b46ce80-f421-4787-922c-1f6b2bec3fd8/bin/ukojak/data/8a6e21aa7/7a446d9daf894eb5a4c028bdf600204d/FLAGf16dcf49a [2019-11-26 03:01:44,685 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9b46ce80-f421-4787-922c-1f6b2bec3fd8/bin/ukojak/data/8a6e21aa7/7a446d9daf894eb5a4c028bdf600204d [2019-11-26 03:01:44,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 03:01:44,689 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 03:01:44,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 03:01:44,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 03:01:44,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 03:01:44,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:01:44" (1/1) ... [2019-11-26 03:01:44,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34abc0cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:44, skipping insertion in model container [2019-11-26 03:01:44,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:01:44" (1/1) ... [2019-11-26 03:01:44,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 03:01:44,765 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 03:01:45,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:01:45,114 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 03:01:45,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:01:45,217 INFO L205 MainTranslator]: Completed translation [2019-11-26 03:01:45,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:45 WrapperNode [2019-11-26 03:01:45,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 03:01:45,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 03:01:45,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 03:01:45,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 03:01:45,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:45" (1/1) ... [2019-11-26 03:01:45,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:45" (1/1) ... [2019-11-26 03:01:45,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 03:01:45,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 03:01:45,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 03:01:45,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 03:01:45,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:45" (1/1) ... [2019-11-26 03:01:45,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:45" (1/1) ... [2019-11-26 03:01:45,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:45" (1/1) ... [2019-11-26 03:01:45,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:45" (1/1) ... [2019-11-26 03:01:45,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:45" (1/1) ... [2019-11-26 03:01:45,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:45" (1/1) ... [2019-11-26 03:01:45,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:45" (1/1) ... [2019-11-26 03:01:45,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 03:01:45,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 03:01:45,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 03:01:45,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 03:01:45,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b46ce80-f421-4787-922c-1f6b2bec3fd8/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 [2019-11-26 03:01:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 03:01:45,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 03:01:45,635 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 03:01:45,642 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 03:01:45,651 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 03:01:45,661 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 03:01:45,667 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 03:01:45,673 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 03:01:45,681 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 03:01:45,688 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 03:01:45,695 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 03:01:45,701 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 03:01:45,706 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 03:01:45,723 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 03:01:46,638 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2019-11-26 03:01:46,638 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2019-11-26 03:01:46,638 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2019-11-26 03:01:46,639 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2019-11-26 03:01:46,639 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2019-11-26 03:01:46,639 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2019-11-26 03:01:46,639 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2019-11-26 03:01:46,639 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2019-11-26 03:01:46,639 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2019-11-26 03:01:46,639 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2019-11-26 03:01:46,640 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-11-26 03:01:46,640 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-11-26 03:01:46,640 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2019-11-26 03:01:46,640 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2019-11-26 03:01:46,640 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2019-11-26 03:01:46,640 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2019-11-26 03:01:46,641 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2019-11-26 03:01:46,641 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2019-11-26 03:01:46,641 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2019-11-26 03:01:46,641 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2019-11-26 03:01:46,641 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-11-26 03:01:46,641 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-11-26 03:01:46,641 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2019-11-26 03:01:46,642 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2019-11-26 03:01:49,910 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 03:01:49,911 INFO L284 CfgBuilder]: Removed 152 assume(true) statements. [2019-11-26 03:01:49,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:49 BoogieIcfgContainer [2019-11-26 03:01:49,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 03:01:49,913 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 03:01:49,913 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 03:01:49,922 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 03:01:49,923 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:49" (1/1) ... [2019-11-26 03:01:49,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:01:49,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:49,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 86 transitions. [2019-11-26 03:01:49,965 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2019-11-26 03:01:49,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 03:01:49,968 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2019-11-26 03:01:49,981 INFO L765 CodeCheckObserver]: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. [2019-11-26 03:01:50,027 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,029 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,029 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,029 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,029 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,030 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,030 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,030 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,030 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,030 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,030 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,030 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,030 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,031 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,031 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,031 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,031 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,031 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,031 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,031 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,032 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,032 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,032 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,032 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,032 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:50,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 03:01:50 ImpRootNode [2019-11-26 03:01:50,033 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 03:01:50,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 03:01:50,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 03:01:50,033 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 03:01:50,034 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:49" (3/4) ... [2019-11-26 03:01:50,037 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 03:01:50,079 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 276 nodes and edges [2019-11-26 03:01:50,082 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2019-11-26 03:01:50,085 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 03:01:50,266 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9b46ce80-f421-4787-922c-1f6b2bec3fd8/bin/ukojak/witness.graphml [2019-11-26 03:01:50,267 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 03:01:50,269 INFO L168 Benchmark]: Toolchain (without parser) took 5579.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -189.2 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:50,269 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:01:50,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:50,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.20 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:50,270 INFO L168 Benchmark]: Boogie Preprocessor took 102.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:01:50,271 INFO L168 Benchmark]: RCFGBuilder took 4486.02 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -65.4 MB). Peak memory consumption was 255.0 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:50,271 INFO L168 Benchmark]: CodeCheck took 120.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:50,271 INFO L168 Benchmark]: Witness Printer took 233.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:50,273 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, 51 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, 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 - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 528.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 105.20 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 102.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 4486.02 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -65.4 MB). Peak memory consumption was 255.0 MB. Max. memory is 11.5 GB. * CodeCheck took 120.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Witness Printer took 233.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...