./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/scopes1.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_5687b3d1-da73-4ed0-9ba4-187d027e385f/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5687b3d1-da73-4ed0-9ba4-187d027e385f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5687b3d1-da73-4ed0-9ba4-187d027e385f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5687b3d1-da73-4ed0-9ba4-187d027e385f/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/scopes1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5687b3d1-da73-4ed0-9ba4-187d027e385f/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5687b3d1-da73-4ed0-9ba4-187d027e385f/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 95e3931fe811aa62c0e25f30e6d631683a52857f .......................................................................................................................................................................................................... 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 06:08:12,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 06:08:12,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 06:08:12,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 06:08:12,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 06:08:12,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 06:08:12,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 06:08:12,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 06:08:12,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 06:08:12,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 06:08:12,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 06:08:12,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 06:08:12,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 06:08:12,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 06:08:12,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 06:08:12,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 06:08:12,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 06:08:12,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 06:08:12,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 06:08:12,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 06:08:12,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 06:08:12,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 06:08:12,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 06:08:12,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 06:08:12,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 06:08:12,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 06:08:12,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 06:08:12,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 06:08:12,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 06:08:12,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 06:08:12,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 06:08:12,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 06:08:12,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 06:08:12,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 06:08:12,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 06:08:12,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 06:08:12,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 06:08:12,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 06:08:12,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 06:08:12,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 06:08:12,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 06:08:12,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5687b3d1-da73-4ed0-9ba4-187d027e385f/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-01 06:08:12,829 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 06:08:12,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 06:08:12,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 06:08:12,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 06:08:12,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 06:08:12,831 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 06:08:12,831 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 06:08:12,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 06:08:12,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 06:08:12,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 06:08:12,832 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-01 06:08:12,832 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-01 06:08:12,832 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-01 06:08:12,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 06:08:12,833 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 06:08:12,833 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 06:08:12,833 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 06:08:12,833 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 06:08:12,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 06:08:12,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 06:08:12,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 06:08:12,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 06:08:12,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 06:08:12,834 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 06:08:12,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 06:08:12,835 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_5687b3d1-da73-4ed0-9ba4-187d027e385f/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 -> 95e3931fe811aa62c0e25f30e6d631683a52857f [2019-12-01 06:08:12,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 06:08:12,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 06:08:12,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 06:08:12,944 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 06:08:12,945 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 06:08:12,945 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5687b3d1-da73-4ed0-9ba4-187d027e385f/bin/ukojak/../../sv-benchmarks/c/memsafety-ext3/scopes1.c [2019-12-01 06:08:12,990 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5687b3d1-da73-4ed0-9ba4-187d027e385f/bin/ukojak/data/746609753/63b3d1d491464619ab428ea841e17992/FLAG38e112f2e [2019-12-01 06:08:13,309 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 06:08:13,310 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5687b3d1-da73-4ed0-9ba4-187d027e385f/sv-benchmarks/c/memsafety-ext3/scopes1.c [2019-12-01 06:08:13,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5687b3d1-da73-4ed0-9ba4-187d027e385f/bin/ukojak/data/746609753/63b3d1d491464619ab428ea841e17992/FLAG38e112f2e [2019-12-01 06:08:13,741 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5687b3d1-da73-4ed0-9ba4-187d027e385f/bin/ukojak/data/746609753/63b3d1d491464619ab428ea841e17992 [2019-12-01 06:08:13,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 06:08:13,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 06:08:13,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 06:08:13,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 06:08:13,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 06:08:13,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:08:13" (1/1) ... [2019-12-01 06:08:13,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c96923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:13, skipping insertion in model container [2019-12-01 06:08:13,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:08:13" (1/1) ... [2019-12-01 06:08:13,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 06:08:13,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 06:08:13,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 06:08:13,874 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 06:08:13,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 06:08:13,929 INFO L208 MainTranslator]: Completed translation [2019-12-01 06:08:13,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:13 WrapperNode [2019-12-01 06:08:13,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 06:08:13,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 06:08:13,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 06:08:13,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 06:08:13,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:13" (1/1) ... [2019-12-01 06:08:13,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:13" (1/1) ... [2019-12-01 06:08:13,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 06:08:13,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 06:08:13,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 06:08:13,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 06:08:13,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:13" (1/1) ... [2019-12-01 06:08:13,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:13" (1/1) ... [2019-12-01 06:08:13,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:13" (1/1) ... [2019-12-01 06:08:13,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:13" (1/1) ... [2019-12-01 06:08:13,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:13" (1/1) ... [2019-12-01 06:08:13,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:13" (1/1) ... [2019-12-01 06:08:13,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:13" (1/1) ... [2019-12-01 06:08:13,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 06:08:13,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 06:08:13,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 06:08:13,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 06:08:13,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5687b3d1-da73-4ed0-9ba4-187d027e385f/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 06:08:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 06:08:14,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 06:08:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 06:08:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 06:08:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 06:08:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 06:08:14,144 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 06:08:14,144 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-01 06:08:14,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:08:14 BoogieIcfgContainer [2019-12-01 06:08:14,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 06:08:14,146 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 06:08:14,146 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 06:08:14,153 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 06:08:14,153 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:08:14" (1/1) ... [2019-12-01 06:08:14,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 06:08:14,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:08:14,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2019-12-01 06:08:14,182 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2019-12-01 06:08:14,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-12-01 06:08:14,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:08:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 06:08:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 06:08:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 06:08:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 06:08:14,306 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2019-12-01 06:08:14,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:08:14 ImpRootNode [2019-12-01 06:08:14,321 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 06:08:14,322 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 06:08:14,322 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 06:08:14,322 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 06:08:14,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:08:14" (3/4) ... [2019-12-01 06:08:14,324 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 06:08:14,350 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5687b3d1-da73-4ed0-9ba4-187d027e385f/bin/ukojak/witness.graphml [2019-12-01 06:08:14,350 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 06:08:14,351 INFO L168 Benchmark]: Toolchain (without parser) took 606.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -107.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 06:08:14,351 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 06:08:14,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-01 06:08:14,352 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 06:08:14,353 INFO L168 Benchmark]: Boogie Preprocessor took 12.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-01 06:08:14,353 INFO L168 Benchmark]: RCFGBuilder took 179.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-01 06:08:14,353 INFO L168 Benchmark]: CodeCheck took 175.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2019-12-01 06:08:14,354 INFO L168 Benchmark]: Witness Printer took 28.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 06:08:14,356 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, 10 locations, 5 error locations. Result: UNSAFE, OverallTime: 0.1s, 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 16]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L4] int *myPointerA = ((void*) 0); [L5] int *myPointerB = ((void*) 0); [L8] int myNumberA = 7; [L9] myPointerA = &myNumberA [L8] int myNumberA = 7; [L13] int myNumberB = 3; [L14] myPointerB = &myNumberB [L16] \read(*myPointerA) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 179.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * CodeCheck took 175.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Witness Printer took 28.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...