./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074b9bae-0751-4da6-9da2-fecb84788b21/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074b9bae-0751-4da6-9da2-fecb84788b21/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074b9bae-0751-4da6-9da2-fecb84788b21/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074b9bae-0751-4da6-9da2-fecb84788b21/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074b9bae-0751-4da6-9da2-fecb84788b21/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074b9bae-0751-4da6-9da2-fecb84788b21/bin/ukojak-92XMlrwhuB --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 c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:46:31,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:46:31,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:46:31,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:46:31,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:46:31,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:46:31,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:46:31,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:46:31,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:46:31,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:46:31,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:46:31,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:46:31,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:46:31,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:46:31,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:46:31,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:46:31,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:46:31,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:46:32,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:46:32,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:46:32,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:46:32,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:46:32,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:46:32,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:46:32,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:46:32,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:46:32,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:46:32,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:46:32,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:46:32,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:46:32,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:46:32,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:46:32,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:46:32,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:46:32,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:46:32,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:46:32,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:46:32,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:46:32,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:46:32,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:46:32,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:46:32,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074b9bae-0751-4da6-9da2-fecb84788b21/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:46:32,095 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:46:32,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:46:32,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:46:32,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:46:32,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:46:32,098 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:46:32,098 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:46:32,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:46:32,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:46:32,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:46:32,100 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:46:32,100 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:46:32,101 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:46:32,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:46:32,101 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:46:32,101 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:46:32,102 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:46:32,102 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:46:32,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:46:32,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:32,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:46:32,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:46:32,103 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:46:32,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:46:32,104 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_worker_vcloud-master_on_vcloud-master/run_dir_074b9bae-0751-4da6-9da2-fecb84788b21/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074b9bae-0751-4da6-9da2-fecb84788b21/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2022-10-17 16:46:32,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:46:32,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:46:32,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:46:32,460 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:46:32,461 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:46:32,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074b9bae-0751-4da6-9da2-fecb84788b21/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2022-10-17 16:46:32,547 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074b9bae-0751-4da6-9da2-fecb84788b21/bin/ukojak-92XMlrwhuB/data/a604f90ba/d574d64fa5fa48d8b57a39d481a161ca/FLAGd320ac749 [2022-10-17 16:46:33,104 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:46:33,105 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074b9bae-0751-4da6-9da2-fecb84788b21/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2022-10-17 16:46:33,144 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074b9bae-0751-4da6-9da2-fecb84788b21/bin/ukojak-92XMlrwhuB/data/a604f90ba/d574d64fa5fa48d8b57a39d481a161ca/FLAGd320ac749 [2022-10-17 16:46:33,375 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074b9bae-0751-4da6-9da2-fecb84788b21/bin/ukojak-92XMlrwhuB/data/a604f90ba/d574d64fa5fa48d8b57a39d481a161ca [2022-10-17 16:46:33,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:46:33,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:46:33,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:33,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:46:33,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:46:33,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:33" (1/1) ... [2022-10-17 16:46:33,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17072668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:33, skipping insertion in model container [2022-10-17 16:46:33,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:33" (1/1) ... [2022-10-17 16:46:33,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:46:33,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:46:33,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:33,788 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:46:33,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:33,878 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:46:33,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:33 WrapperNode [2022-10-17 16:46:33,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:33,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:33,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:46:33,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:46:33,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:33" (1/1) ... [2022-10-17 16:46:33,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:33" (1/1) ... [2022-10-17 16:46:33,930 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 29, calls inlined = 4, statements flattened = 21 [2022-10-17 16:46:33,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:33,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:46:33,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:46:33,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:46:33,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:33" (1/1) ... [2022-10-17 16:46:33,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:33" (1/1) ... [2022-10-17 16:46:33,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:33" (1/1) ... [2022-10-17 16:46:33,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:33" (1/1) ... [2022-10-17 16:46:33,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:33" (1/1) ... [2022-10-17 16:46:33,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:33" (1/1) ... [2022-10-17 16:46:33,967 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:33" (1/1) ... [2022-10-17 16:46:33,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:33" (1/1) ... [2022-10-17 16:46:33,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:46:33,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:46:33,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:46:33,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:46:33,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:33" (1/1) ... [2022-10-17 16:46:33,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:34,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074b9bae-0751-4da6-9da2-fecb84788b21/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:46:34,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074b9bae-0751-4da6-9da2-fecb84788b21/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:46:34,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074b9bae-0751-4da6-9da2-fecb84788b21/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:46:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:46:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:46:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:46:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:46:34,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:46:34,199 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:46:34,201 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:46:34,342 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:46:34,393 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:46:34,393 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:46:34,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:34 BoogieIcfgContainer [2022-10-17 16:46:34,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:46:34,400 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:46:34,401 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:46:34,414 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:46:34,414 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:34" (1/1) ... [2022-10-17 16:46:34,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:46:34,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:34,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-10-17 16:46:34,488 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-10-17 16:46:34,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:46:34,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:34,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:46:34,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:46:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:46:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:46:34,770 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:46:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:46:34,802 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-10-17 16:46:34,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:46:34 ImpRootNode [2022-10-17 16:46:34,833 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:46:34,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:46:34,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:46:34,834 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:46:34,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:34" (3/4) ... [2022-10-17 16:46:34,836 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:46:34,888 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074b9bae-0751-4da6-9da2-fecb84788b21/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:46:34,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:46:34,889 INFO L158 Benchmark]: Toolchain (without parser) took 1510.36ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 65.3MB in the beginning and 69.8MB in the end (delta: -4.5MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2022-10-17 16:46:34,891 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 63.5MB in the end (delta: 40.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:46:34,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 499.52ms. Allocated memory is still 88.1MB. Free memory was 65.1MB in the beginning and 44.0MB in the end (delta: 21.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 16:46:34,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.41ms. Allocated memory is still 88.1MB. Free memory was 44.0MB in the beginning and 42.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:46:34,895 INFO L158 Benchmark]: Boogie Preprocessor took 38.62ms. Allocated memory is still 88.1MB. Free memory was 42.0MB in the beginning and 40.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:46:34,896 INFO L158 Benchmark]: RCFGBuilder took 428.12ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 40.7MB in the beginning and 82.9MB in the end (delta: -42.2MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2022-10-17 16:46:34,899 INFO L158 Benchmark]: CodeCheck took 433.19ms. Allocated memory is still 111.1MB. Free memory was 82.9MB in the beginning and 71.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:46:34,900 INFO L158 Benchmark]: Witness Printer took 54.93ms. Allocated memory is still 111.1MB. Free memory was 71.0MB in the beginning and 69.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:46:34,904 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , 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, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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: 763]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L766] CALL entry_point() [L762] CALL, EXPR h_unsafe() [L759] return (int *)__VERIFIER_nondet_ulong(); [L762] RET, EXPR h_unsafe() [L762] int *p = h_unsafe(); [L763] COND TRUE \read(*p) VAL [ldv_global_msg_list={1:0}, p={0:1}] [L763] free(p) VAL [ldv_global_msg_list={1:0}, p={0:1}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 63.5MB in the end (delta: 40.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 499.52ms. Allocated memory is still 88.1MB. Free memory was 65.1MB in the beginning and 44.0MB in the end (delta: 21.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.41ms. Allocated memory is still 88.1MB. Free memory was 44.0MB in the beginning and 42.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.62ms. Allocated memory is still 88.1MB. Free memory was 42.0MB in the beginning and 40.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 428.12ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 40.7MB in the beginning and 82.9MB in the end (delta: -42.2MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * CodeCheck took 433.19ms. Allocated memory is still 111.1MB. Free memory was 82.9MB in the beginning and 71.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 54.93ms. Allocated memory is still 111.1MB. Free memory was 71.0MB in the beginning and 69.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:46:34,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_074b9bae-0751-4da6-9da2-fecb84788b21/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free)