./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.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_daba5ef0-97d1-4f62-bc23-a0b7ca65e71f/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba5ef0-97d1-4f62-bc23-a0b7ca65e71f/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_daba5ef0-97d1-4f62-bc23-a0b7ca65e71f/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba5ef0-97d1-4f62-bc23-a0b7ca65e71f/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba5ef0-97d1-4f62-bc23-a0b7ca65e71f/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_daba5ef0-97d1-4f62-bc23-a0b7ca65e71f/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 d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23 --- 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 17:02:02,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:02,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:03,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:03,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:03,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:03,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:03,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:03,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:03,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:03,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:03,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:03,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:03,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:03,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:03,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:03,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:03,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:03,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:03,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:03,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:03,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:03,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:03,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:03,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:03,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:03,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:03,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:03,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:03,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:03,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:03,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:03,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:03,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:03,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:03,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:03,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:03,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:03,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:03,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:03,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:03,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba5ef0-97d1-4f62-bc23-a0b7ca65e71f/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 17:02:03,124 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:03,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:03,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:03,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:03,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:03,128 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:03,129 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:02:03,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:03,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:03,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:03,131 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:02:03,131 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:02:03,131 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 17:02:03,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:03,132 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:03,132 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:03,132 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:03,132 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:03,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:03,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:03,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:03,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:03,134 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:03,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:03,134 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_daba5ef0-97d1-4f62-bc23-a0b7ca65e71f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba5ef0-97d1-4f62-bc23-a0b7ca65e71f/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23 [2022-10-17 17:02:03,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:03,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:03,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:03,475 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:03,476 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:03,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba5ef0-97d1-4f62-bc23-a0b7ca65e71f/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2022-10-17 17:02:03,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba5ef0-97d1-4f62-bc23-a0b7ca65e71f/bin/ukojak-92XMlrwhuB/data/4ea4c055c/bc718315beef43f0ba4132c9d5fff3af/FLAGeb452bdca [2022-10-17 17:02:04,185 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:04,186 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba5ef0-97d1-4f62-bc23-a0b7ca65e71f/sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2022-10-17 17:02:04,211 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba5ef0-97d1-4f62-bc23-a0b7ca65e71f/bin/ukojak-92XMlrwhuB/data/4ea4c055c/bc718315beef43f0ba4132c9d5fff3af/FLAGeb452bdca [2022-10-17 17:02:04,472 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba5ef0-97d1-4f62-bc23-a0b7ca65e71f/bin/ukojak-92XMlrwhuB/data/4ea4c055c/bc718315beef43f0ba4132c9d5fff3af [2022-10-17 17:02:04,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:04,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:04,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:04,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:04,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:04,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:04" (1/1) ... [2022-10-17 17:02:04,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb9f080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:04, skipping insertion in model container [2022-10-17 17:02:04,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:04" (1/1) ... [2022-10-17 17:02:04,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:04,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:04,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:04,873 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:04,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:04,942 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:04,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:04 WrapperNode [2022-10-17 17:02:04,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:04,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:04,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:04,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:04,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:04" (1/1) ... [2022-10-17 17:02:04,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:04" (1/1) ... [2022-10-17 17:02:04,988 INFO L138 Inliner]: procedures = 116, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2022-10-17 17:02:04,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:04,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:04,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:04,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:04,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:04" (1/1) ... [2022-10-17 17:02:04,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:04" (1/1) ... [2022-10-17 17:02:05,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:04" (1/1) ... [2022-10-17 17:02:05,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:04" (1/1) ... [2022-10-17 17:02:05,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:04" (1/1) ... [2022-10-17 17:02:05,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:04" (1/1) ... [2022-10-17 17:02:05,012 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:04" (1/1) ... [2022-10-17 17:02:05,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:04" (1/1) ... [2022-10-17 17:02:05,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:05,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:05,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:05,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:05,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:04" (1/1) ... [2022-10-17 17:02:05,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:05,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba5ef0-97d1-4f62-bc23-a0b7ca65e71f/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:05,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba5ef0-97d1-4f62-bc23-a0b7ca65e71f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:05,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba5ef0-97d1-4f62-bc23-a0b7ca65e71f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:02:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:02:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:02:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:05,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:05,248 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:05,250 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:05,444 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:05,513 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:05,514 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:02:05,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:05 BoogieIcfgContainer [2022-10-17 17:02:05,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:05,519 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:05,519 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:05,529 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:05,530 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:05" (1/1) ... [2022-10-17 17:02:05,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:05,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:05,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2022-10-17 17:02:05,608 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-10-17 17:02:05,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:02:05,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:05,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:05,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:05,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:05,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-10-17 17:02:05,835 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-10-17 17:02:05,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:02:05,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:05,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:05,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:05,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:05,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-10-17 17:02:05,946 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-10-17 17:02:05,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:02:05,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:05,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:06,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:06,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:06,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-10-17 17:02:06,283 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-10-17 17:02:06,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:02:06,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:06,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:06,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:07,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:07,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2022-10-17 17:02:07,159 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2022-10-17 17:02:07,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:02:07,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:07,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:07,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:08,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:08,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-10-17 17:02:08,004 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-10-17 17:02:08,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:02:08,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:08,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:08,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:02:08,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:08,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2022-10-17 17:02:08,240 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2022-10-17 17:02:08,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:02:08,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:08,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:09,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:11,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:11,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2022-10-17 17:02:11,124 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2022-10-17 17:02:11,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:02:11,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:11,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:11,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:02:12,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:12,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 32 states and 59 transitions. [2022-10-17 17:02:12,774 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 59 transitions. [2022-10-17 17:02:12,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:02:12,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:12,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:12,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:02:13,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:13,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 63 transitions. [2022-10-17 17:02:13,576 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2022-10-17 17:02:13,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:02:13,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:13,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:15,046 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:19,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:19,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 79 transitions. [2022-10-17 17:02:19,595 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2022-10-17 17:02:19,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:02:19,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:19,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:19,762 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:02:20,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:20,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 36 states and 72 transitions. [2022-10-17 17:02:20,711 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 72 transitions. [2022-10-17 17:02:20,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:02:20,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:20,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:21,521 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:22,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:22,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 37 states and 74 transitions. [2022-10-17 17:02:22,368 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2022-10-17 17:02:22,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:02:22,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:22,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:23,330 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:25,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:25,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 40 states and 82 transitions. [2022-10-17 17:02:25,677 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 82 transitions. [2022-10-17 17:02:25,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:02:25,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:25,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:25,746 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:02:26,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:26,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2022-10-17 17:02:26,640 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2022-10-17 17:02:26,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:02:26,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:26,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:26,710 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:02:27,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:27,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 85 transitions. [2022-10-17 17:02:27,149 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2022-10-17 17:02:27,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:02:27,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:27,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:28,143 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:30,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:30,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2022-10-17 17:02:30,197 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2022-10-17 17:02:30,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 17:02:30,198 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2022-10-17 17:02:30,208 INFO L754 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2022-10-17 17:02:30,470 INFO L560 CodeCheckObserver]: Invariant with dag size 34 [2022-10-17 17:02:30,505 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-10-17 17:02:30,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:02:30 ImpRootNode [2022-10-17 17:02:30,513 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:02:30,513 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:02:30,514 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:02:30,515 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:02:30,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:05" (3/4) ... [2022-10-17 17:02:30,526 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 17:02:30,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-10-17 17:02:30,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-10-17 17:02:30,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 17:02:30,538 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:02:30,566 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-10-17 17:02:30,566 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\valid[p] == 1 && length <= unknown-#length-unknown[p]) && length <= 2147483647) && p == 0) && 1 <= length) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) || (((\valid[p] == 1 && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && length + p <= length / 4294967296 * 4294967296 + unknown-#length-unknown[p]) && 2 <= p)) || ((((\valid[p] == 1 && 1 <= p) && length + p <= unknown-#length-unknown[p]) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 0 <= length) [2022-10-17 17:02:30,583 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba5ef0-97d1-4f62-bc23-a0b7ca65e71f/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:02:30,583 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:02:30,585 INFO L158 Benchmark]: Toolchain (without parser) took 26107.51ms. Allocated memory was 98.6MB in the beginning and 209.7MB in the end (delta: 111.1MB). Free memory was 74.1MB in the beginning and 143.3MB in the end (delta: -69.2MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2022-10-17 17:02:30,585 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 98.6MB. Free memory is still 69.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:02:30,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.55ms. Allocated memory is still 98.6MB. Free memory was 73.9MB in the beginning and 64.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 17:02:30,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.96ms. Allocated memory is still 98.6MB. Free memory was 64.3MB in the beginning and 62.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:30,588 INFO L158 Benchmark]: Boogie Preprocessor took 26.40ms. Allocated memory is still 98.6MB. Free memory was 62.5MB in the beginning and 61.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:02:30,588 INFO L158 Benchmark]: RCFGBuilder took 501.70ms. Allocated memory is still 98.6MB. Free memory was 61.2MB in the beginning and 49.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 17:02:30,589 INFO L158 Benchmark]: CodeCheck took 24994.28ms. Allocated memory was 98.6MB in the beginning and 209.7MB in the end (delta: 111.1MB). Free memory was 49.1MB in the beginning and 145.8MB in the end (delta: -96.7MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-10-17 17:02:30,590 INFO L158 Benchmark]: Witness Printer took 70.12ms. Allocated memory is still 209.7MB. Free memory was 145.8MB in the beginning and 143.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:30,594 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, 11 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 24.6s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 236 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 274 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 130 mSDsCounter, 1239 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2894 IncrementalHoareTripleChecker+Invalid, 4133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1239 mSolverCounterUnsat, 144 mSDtfsCounter, 2894 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1530 GetRequests, 1275 SyntacticMatches, 25 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20796 ImplicationChecksByTransitivity, 19.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 1257 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 9 PerfectInterpolantSequences, 28/78 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 - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: ((((((\valid[p] == 1 && length <= unknown-#length-unknown[p]) && length <= 2147483647) && p == 0) && 1 <= length) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) || (((\valid[p] == 1 && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && length + p <= length / 4294967296 * 4294967296 + unknown-#length-unknown[p]) && 2 <= p)) || ((((\valid[p] == 1 && 1 <= p) && length + p <= unknown-#length-unknown[p]) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 0 <= length) - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 98.6MB. Free memory is still 69.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.55ms. Allocated memory is still 98.6MB. Free memory was 73.9MB in the beginning and 64.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.96ms. Allocated memory is still 98.6MB. Free memory was 64.3MB in the beginning and 62.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.40ms. Allocated memory is still 98.6MB. Free memory was 62.5MB in the beginning and 61.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 501.70ms. Allocated memory is still 98.6MB. Free memory was 61.2MB in the beginning and 49.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 24994.28ms. Allocated memory was 98.6MB in the beginning and 209.7MB in the end (delta: 111.1MB). Free memory was 49.1MB in the beginning and 145.8MB in the end (delta: -96.7MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Witness Printer took 70.12ms. Allocated memory is still 209.7MB. Free memory was 145.8MB in the beginning and 143.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 17:02:30,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daba5ef0-97d1-4f62-bc23-a0b7ca65e71f/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 Result: TRUE