./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memset3_-write.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_92d64d49-7923-4337-98e7-7797330ebb41/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_92d64d49-7923-4337-98e7-7797330ebb41/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_92d64d49-7923-4337-98e7-7797330ebb41/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_92d64d49-7923-4337-98e7-7797330ebb41/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memset3_-write.c -s /tmp/vcloud-vcloud-master/worker/run_dir_92d64d49-7923-4337-98e7-7797330ebb41/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_92d64d49-7923-4337-98e7-7797330ebb41/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 97106d24c91338d3a7f71605e6dcf95bdff73f56 ......................................................................................................................................................................................................................................................... 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 0.2.0-69874e2 [2020-12-01 16:14:26,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:14:26,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:14:26,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:14:26,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:14:26,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:14:26,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:14:26,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:14:26,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:14:26,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:14:26,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:14:26,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:14:26,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:14:26,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:14:26,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:14:26,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:14:26,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:14:26,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:14:26,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:14:26,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:14:26,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:14:26,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:14:26,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:14:26,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:14:26,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:14:26,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:14:26,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:14:26,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:14:26,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:14:26,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:14:26,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:14:26,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:14:26,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:14:26,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:14:26,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:14:26,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:14:26,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:14:26,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:14:26,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:14:26,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:14:26,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:14:26,860 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_92d64d49-7923-4337-98e7-7797330ebb41/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-12-01 16:14:26,908 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:14:26,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:14:26,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:14:26,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:14:26,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:14:26,916 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:14:26,916 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:14:26,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:14:26,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:14:26,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:14:26,918 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 16:14:26,918 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 16:14:26,919 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 16:14:26,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:14:26,919 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:14:26,919 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:14:26,920 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:14:26,920 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:14:26,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:14:26,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:14:26,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:14:26,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:14:26,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:14:26,921 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:14:26,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:14:26,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_92d64d49-7923-4337-98e7-7797330ebb41/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_92d64d49-7923-4337-98e7-7797330ebb41/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97106d24c91338d3a7f71605e6dcf95bdff73f56 [2020-12-01 16:14:27,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:14:27,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:14:27,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:14:27,241 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:14:27,243 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:14:27,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_92d64d49-7923-4337-98e7-7797330ebb41/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memset3_-write.c [2020-12-01 16:14:27,347 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_92d64d49-7923-4337-98e7-7797330ebb41/bin/ukojak/data/65350bf15/b3781e8d742f41d8b68734de44b15991/FLAGae4521dcd [2020-12-01 16:14:27,857 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:14:27,857 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_92d64d49-7923-4337-98e7-7797330ebb41/sv-benchmarks/c/ldv-memsafety/memset3_-write.c [2020-12-01 16:14:27,864 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_92d64d49-7923-4337-98e7-7797330ebb41/bin/ukojak/data/65350bf15/b3781e8d742f41d8b68734de44b15991/FLAGae4521dcd [2020-12-01 16:14:28,211 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_92d64d49-7923-4337-98e7-7797330ebb41/bin/ukojak/data/65350bf15/b3781e8d742f41d8b68734de44b15991 [2020-12-01 16:14:28,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:14:28,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:14:28,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:14:28,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:14:28,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:14:28,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e8edfeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28, skipping insertion in model container [2020-12-01 16:14:28,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:14:28,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:14:28,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:14:28,425 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:14:28,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:14:28,477 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:14:28,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28 WrapperNode [2020-12-01 16:14:28,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:14:28,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:14:28,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:14:28,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:14:28,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:14:28,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:14:28,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:14:28,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:14:28,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:14:28,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:14:28,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:14:28,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:14:28,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92d64d49-7923-4337-98e7-7797330ebb41/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 [2020-12-01 16:14:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:14:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:14:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:14:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:14:28,926 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:14:28,927 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-01 16:14:28,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:14:28 BoogieIcfgContainer [2020-12-01 16:14:28,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:14:28,931 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:14:28,931 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:14:28,952 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:14:28,952 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:14:28" (1/1) ... [2020-12-01 16:14:28,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:14:28,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:29,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2020-12-01 16:14:29,000 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2020-12-01 16:14:29,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-01 16:14:29,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:29,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:29,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:29,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-12-01 16:14:29,285 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-12-01 16:14:29,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 16:14:29,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:14:29,326 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:14:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:14:29,340 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:14:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:14:29,380 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:14:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:14:29,389 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:14:29,401 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2020-12-01 16:14:29,416 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-01 16:14:29,417 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-01 16:14:29,417 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-01 16:14:29,418 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-01 16:14:29,418 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-01 16:14:29,418 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-01 16:14:29,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:14:29 ImpRootNode [2020-12-01 16:14:29,425 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:14:29,426 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:14:29,426 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:14:29,426 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:14:29,427 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:14:28" (3/4) ... [2020-12-01 16:14:29,429 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:14:29,430 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-01 16:14:29,431 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-01 16:14:29,431 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-01 16:14:29,432 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-01 16:14:29,432 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-01 16:14:29,432 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2020-12-01 16:14:29,471 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_92d64d49-7923-4337-98e7-7797330ebb41/bin/ukojak/witness.graphml [2020-12-01 16:14:29,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:14:29,474 INFO L168 Benchmark]: Toolchain (without parser) took 1254.78 ms. Allocated memory is still 107.0 MB. Free memory was 81.5 MB in the beginning and 51.6 MB in the end (delta: 29.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:29,475 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory was 47.5 MB in the beginning and 47.5 MB in the end (delta: 56.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:14:29,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.67 ms. Allocated memory is still 107.0 MB. Free memory was 81.2 MB in the beginning and 84.4 MB in the end (delta: -3.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:29,478 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.21 ms. Allocated memory is still 107.0 MB. Free memory was 84.2 MB in the beginning and 82.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:14:29,479 INFO L168 Benchmark]: Boogie Preprocessor took 42.50 ms. Allocated memory is still 107.0 MB. Free memory was 82.9 MB in the beginning and 81.9 MB in the end (delta: 951.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:29,480 INFO L168 Benchmark]: RCFGBuilder took 361.64 ms. Allocated memory is still 107.0 MB. Free memory was 81.9 MB in the beginning and 69.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:29,481 INFO L168 Benchmark]: CodeCheck took 494.56 ms. Allocated memory is still 107.0 MB. Free memory was 69.4 MB in the beginning and 53.5 MB in the end (delta: 15.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:29,483 INFO L168 Benchmark]: Witness Printer took 45.18 ms. Allocated memory is still 107.0 MB. Free memory was 53.5 MB in the beginning and 51.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:29,490 INFO L339 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, 9 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 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, 5 NumberOfCodeBlocks, 5 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: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L26] struct ppp_comp_stats cstats ; [L27] void *point; [L28] point = (void *)(& cstats) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory was 47.5 MB in the beginning and 47.5 MB in the end (delta: 56.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 257.67 ms. Allocated memory is still 107.0 MB. Free memory was 81.2 MB in the beginning and 84.4 MB in the end (delta: -3.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.21 ms. Allocated memory is still 107.0 MB. Free memory was 84.2 MB in the beginning and 82.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.50 ms. Allocated memory is still 107.0 MB. Free memory was 82.9 MB in the beginning and 81.9 MB in the end (delta: 951.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 361.64 ms. Allocated memory is still 107.0 MB. Free memory was 81.9 MB in the beginning and 69.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 494.56 ms. Allocated memory is still 107.0 MB. Free memory was 69.4 MB in the beginning and 53.5 MB in the end (delta: 15.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 45.18 ms. Allocated memory is still 107.0 MB. Free memory was 53.5 MB in the beginning and 51.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled RESULT: Ultimate proved your program to be incorrect! Received shutdown request...