./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memset3.c --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_0bf42551-5c7a-4350-96e2-3a2f16c1bb28/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf42551-5c7a-4350-96e2-3a2f16c1bb28/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_0bf42551-5c7a-4350-96e2-3a2f16c1bb28/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf42551-5c7a-4350-96e2-3a2f16c1bb28/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memset3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf42551-5c7a-4350-96e2-3a2f16c1bb28/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_0bf42551-5c7a-4350-96e2-3a2f16c1bb28/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 0e16460170daade69818450e1395d982497f59eca845b3ed1031565545c18793 --- 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 16:43:38,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:43:38,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:43:38,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:43:38,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:43:38,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:43:38,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:43:38,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:43:38,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:43:38,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:43:38,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:43:38,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:43:38,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:43:38,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:43:38,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:43:38,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:43:38,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:43:38,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:43:38,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:43:38,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:43:38,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:43:38,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:43:38,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:43:38,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:43:38,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:43:38,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:43:38,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:43:38,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:43:38,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:43:38,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:43:38,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:43:38,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:43:38,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:43:38,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:43:38,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:43:38,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:43:38,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:43:38,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:43:38,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:43:38,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:43:38,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:43:38,709 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf42551-5c7a-4350-96e2-3a2f16c1bb28/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:43:38,734 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:43:38,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:43:38,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:43:38,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:43:38,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:43:38,737 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:43:38,737 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:43:38,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:43:38,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:43:38,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:43:38,738 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:43:38,738 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:43:38,738 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:43:38,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:43:38,738 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:43:38,739 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:43:38,739 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:43:38,739 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:43:38,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:43:38,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:38,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:43:38,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:43:38,740 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:43:38,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:43:38,741 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_0bf42551-5c7a-4350-96e2-3a2f16c1bb28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf42551-5c7a-4350-96e2-3a2f16c1bb28/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e16460170daade69818450e1395d982497f59eca845b3ed1031565545c18793 [2022-10-17 16:43:39,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:43:39,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:43:39,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:43:39,113 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:43:39,115 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:43:39,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf42551-5c7a-4350-96e2-3a2f16c1bb28/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-memsafety/memset3.c [2022-10-17 16:43:39,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf42551-5c7a-4350-96e2-3a2f16c1bb28/bin/ukojak-92XMlrwhuB/data/434d7da65/e6301dc49cbb4ef59d693bde077fd9e7/FLAGbf1c80179 [2022-10-17 16:43:39,727 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:43:39,728 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf42551-5c7a-4350-96e2-3a2f16c1bb28/sv-benchmarks/c/ldv-memsafety/memset3.c [2022-10-17 16:43:39,736 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf42551-5c7a-4350-96e2-3a2f16c1bb28/bin/ukojak-92XMlrwhuB/data/434d7da65/e6301dc49cbb4ef59d693bde077fd9e7/FLAGbf1c80179 [2022-10-17 16:43:40,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf42551-5c7a-4350-96e2-3a2f16c1bb28/bin/ukojak-92XMlrwhuB/data/434d7da65/e6301dc49cbb4ef59d693bde077fd9e7 [2022-10-17 16:43:40,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:43:40,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:43:40,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:40,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:43:40,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:43:40,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:40" (1/1) ... [2022-10-17 16:43:40,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a283dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:40, skipping insertion in model container [2022-10-17 16:43:40,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:40" (1/1) ... [2022-10-17 16:43:40,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:43:40,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:43:40,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:40,356 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:43:40,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:40,387 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:43:40,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:40 WrapperNode [2022-10-17 16:43:40,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:40,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:40,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:43:40,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:43:40,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:40" (1/1) ... [2022-10-17 16:43:40,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:40" (1/1) ... [2022-10-17 16:43:40,424 INFO L138 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2022-10-17 16:43:40,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:40,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:43:40,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:43:40,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:43:40,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:40" (1/1) ... [2022-10-17 16:43:40,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:40" (1/1) ... [2022-10-17 16:43:40,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:40" (1/1) ... [2022-10-17 16:43:40,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:40" (1/1) ... [2022-10-17 16:43:40,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:40" (1/1) ... [2022-10-17 16:43:40,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:40" (1/1) ... [2022-10-17 16:43:40,445 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:40" (1/1) ... [2022-10-17 16:43:40,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:40" (1/1) ... [2022-10-17 16:43:40,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:43:40,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:43:40,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:43:40,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:43:40,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:40" (1/1) ... [2022-10-17 16:43:40,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:40,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf42551-5c7a-4350-96e2-3a2f16c1bb28/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:43:40,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf42551-5c7a-4350-96e2-3a2f16c1bb28/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:43:40,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf42551-5c7a-4350-96e2-3a2f16c1bb28/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:43:40,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:43:40,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:43:40,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:43:40,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:43:40,583 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:43:40,585 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:43:40,718 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:43:40,750 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:43:40,750 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:43:40,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:40 BoogieIcfgContainer [2022-10-17 16:43:40,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:43:40,758 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:43:40,758 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:43:40,769 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:43:40,770 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:40" (1/1) ... [2022-10-17 16:43:40,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:43:40,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:40,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-10-17 16:43:40,875 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-10-17 16:43:40,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:43:40,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:40,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:41,186 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 16:43:41,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:41,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2022-10-17 16:43:41,238 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2022-10-17 16:43:41,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:43:41,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:41,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:41,391 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 16:43:41,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:41,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2022-10-17 16:43:41,507 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2022-10-17 16:43:41,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:43:41,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:41,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:41,665 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 16:43:41,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:41,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2022-10-17 16:43:41,936 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2022-10-17 16:43:41,936 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:43:41,937 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2022-10-17 16:43:41,947 INFO L754 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2022-10-17 16:43:41,972 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-10-17 16:43:41,983 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-10-17 16:43:41,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:43:41 ImpRootNode [2022-10-17 16:43:41,985 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:43:41,986 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:43:41,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:43:41,986 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:43:41,987 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:40" (3/4) ... [2022-10-17 16:43:41,990 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:43:42,002 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-10-17 16:43:42,002 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-10-17 16:43:42,002 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:43:42,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:43:42,030 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown) [2022-10-17 16:43:42,030 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-10-17 16:43:42,038 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf42551-5c7a-4350-96e2-3a2f16c1bb28/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:43:42,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:43:42,039 INFO L158 Benchmark]: Toolchain (without parser) took 1935.14ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 45.7MB in the beginning and 63.6MB in the end (delta: -17.9MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2022-10-17 16:43:42,040 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 83.9MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:43:42,041 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.41ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 45.4MB in the beginning and 79.5MB in the end (delta: -34.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:43:42,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.09ms. Allocated memory is still 102.8MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:43:42,042 INFO L158 Benchmark]: Boogie Preprocessor took 23.33ms. Allocated memory is still 102.8MB. Free memory was 78.0MB in the beginning and 76.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:43:42,043 INFO L158 Benchmark]: RCFGBuilder took 304.13ms. Allocated memory is still 102.8MB. Free memory was 76.8MB in the beginning and 66.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:43:42,044 INFO L158 Benchmark]: CodeCheck took 1226.81ms. Allocated memory is still 102.8MB. Free memory was 66.8MB in the beginning and 66.3MB in the end (delta: 471.9kB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2022-10-17 16:43:42,045 INFO L158 Benchmark]: Witness Printer took 52.55ms. Allocated memory is still 102.8MB. Free memory was 66.3MB in the beginning and 63.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:43:42,048 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. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 0 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - 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: 25]: 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: 25]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 83.9MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.41ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 45.4MB in the beginning and 79.5MB in the end (delta: -34.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.09ms. Allocated memory is still 102.8MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.33ms. Allocated memory is still 102.8MB. Free memory was 78.0MB in the beginning and 76.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 304.13ms. Allocated memory is still 102.8MB. Free memory was 76.8MB in the beginning and 66.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1226.81ms. Allocated memory is still 102.8MB. Free memory was 66.8MB in the beginning and 66.3MB in the end (delta: 471.9kB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Witness Printer took 52.55ms. Allocated memory is still 102.8MB. Free memory was 66.3MB in the beginning and 63.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:43:42,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf42551-5c7a-4350-96e2-3a2f16c1bb28/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