./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memsetNonZero.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_82349bf4-201a-4afc-afdd-faa0c2f7df75/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82349bf4-201a-4afc-afdd-faa0c2f7df75/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_82349bf4-201a-4afc-afdd-faa0c2f7df75/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82349bf4-201a-4afc-afdd-faa0c2f7df75/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memsetNonZero.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82349bf4-201a-4afc-afdd-faa0c2f7df75/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_82349bf4-201a-4afc-afdd-faa0c2f7df75/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 efd89e7b390064d688e1eebb599a77ec99587f4751caf8bf660f2bf53e476dd2 --- 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 16:47:04,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:47:04,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:47:04,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:47:04,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:47:04,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:47:04,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:47:04,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:47:04,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:47:04,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:47:04,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:47:04,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:47:04,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:47:04,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:47:04,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:47:04,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:47:04,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:47:04,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:47:04,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:47:04,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:47:04,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:47:04,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:47:04,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:47:04,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:47:04,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:47:04,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:47:04,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:47:04,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:47:04,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:47:04,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:47:04,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:47:04,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:47:04,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:47:04,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:47:04,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:47:04,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:47:04,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:47:04,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:47:04,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:47:04,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:47:04,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:47:04,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82349bf4-201a-4afc-afdd-faa0c2f7df75/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:47:04,749 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:47:04,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:47:04,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:47:04,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:47:04,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:47:04,752 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:47:04,752 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:47:04,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:47:04,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:47:04,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:47:04,754 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:47:04,754 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:47:04,754 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:47:04,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:47:04,755 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:47:04,755 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:47:04,755 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:47:04,755 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:47:04,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:47:04,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:04,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:47:04,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:47:04,757 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:47:04,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:47:04,757 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_82349bf4-201a-4afc-afdd-faa0c2f7df75/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82349bf4-201a-4afc-afdd-faa0c2f7df75/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efd89e7b390064d688e1eebb599a77ec99587f4751caf8bf660f2bf53e476dd2 [2022-10-17 16:47:05,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:47:05,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:47:05,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:47:05,082 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:47:05,083 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:47:05,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82349bf4-201a-4afc-afdd-faa0c2f7df75/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-memsafety/memsetNonZero.c [2022-10-17 16:47:05,157 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82349bf4-201a-4afc-afdd-faa0c2f7df75/bin/ukojak-92XMlrwhuB/data/211d3f6e3/9f049d4c81ba4d4fbc6e8c3e0e904a5e/FLAG9b331dd1b [2022-10-17 16:47:05,554 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:47:05,555 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82349bf4-201a-4afc-afdd-faa0c2f7df75/sv-benchmarks/c/ldv-memsafety/memsetNonZero.c [2022-10-17 16:47:05,562 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82349bf4-201a-4afc-afdd-faa0c2f7df75/bin/ukojak-92XMlrwhuB/data/211d3f6e3/9f049d4c81ba4d4fbc6e8c3e0e904a5e/FLAG9b331dd1b [2022-10-17 16:47:05,982 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82349bf4-201a-4afc-afdd-faa0c2f7df75/bin/ukojak-92XMlrwhuB/data/211d3f6e3/9f049d4c81ba4d4fbc6e8c3e0e904a5e [2022-10-17 16:47:05,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:47:05,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:47:05,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:05,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:47:05,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:47:05,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:05" (1/1) ... [2022-10-17 16:47:05,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73bf3fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:05, skipping insertion in model container [2022-10-17 16:47:05,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:05" (1/1) ... [2022-10-17 16:47:06,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:47:06,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:47:06,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:06,236 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:47:06,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:06,263 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:47:06,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:06 WrapperNode [2022-10-17 16:47:06,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:06,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:06,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:47:06,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:47:06,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:06" (1/1) ... [2022-10-17 16:47:06,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:06" (1/1) ... [2022-10-17 16:47:06,303 INFO L138 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 17 [2022-10-17 16:47:06,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:06,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:47:06,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:47:06,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:47:06,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:06" (1/1) ... [2022-10-17 16:47:06,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:06" (1/1) ... [2022-10-17 16:47:06,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:06" (1/1) ... [2022-10-17 16:47:06,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:06" (1/1) ... [2022-10-17 16:47:06,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:06" (1/1) ... [2022-10-17 16:47:06,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:06" (1/1) ... [2022-10-17 16:47:06,326 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:06" (1/1) ... [2022-10-17 16:47:06,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:06" (1/1) ... [2022-10-17 16:47:06,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:47:06,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:47:06,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:47:06,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:47:06,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:06" (1/1) ... [2022-10-17 16:47:06,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:06,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82349bf4-201a-4afc-afdd-faa0c2f7df75/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:47:06,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82349bf4-201a-4afc-afdd-faa0c2f7df75/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:47:06,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82349bf4-201a-4afc-afdd-faa0c2f7df75/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:47:06,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:47:06,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:47:06,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:47:06,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:47:06,471 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:47:06,474 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:47:06,575 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:47:06,595 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:47:06,596 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:47:06,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:06 BoogieIcfgContainer [2022-10-17 16:47:06,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:47:06,599 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:47:06,600 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:47:06,610 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:47:06,611 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:06" (1/1) ... [2022-10-17 16:47:06,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:47:06,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:06,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-10-17 16:47:06,679 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-10-17 16:47:06,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:47:06,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:06,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:06,892 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 16:47:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:06,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2022-10-17 16:47:06,932 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2022-10-17 16:47:06,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:47:06,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:06,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:07,181 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 16:47:07,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:07,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2022-10-17 16:47:07,316 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2022-10-17 16:47:07,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:47:07,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:07,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:07,530 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 16:47:07,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:07,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2022-10-17 16:47:07,815 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2022-10-17 16:47:07,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:47:07,815 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2022-10-17 16:47:07,828 INFO L754 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2022-10-17 16:47:07,859 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-10-17 16:47:07,875 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-10-17 16:47:07,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:47:07 ImpRootNode [2022-10-17 16:47:07,878 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:47:07,879 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:47:07,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:47:07,880 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:47:07,881 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:06" (3/4) ... [2022-10-17 16:47:07,884 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:47:07,896 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-10-17 16:47:07,896 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-10-17 16:47:07,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:47:07,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:47:07,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown) [2022-10-17 16:47:07,924 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-10-17 16:47:07,938 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82349bf4-201a-4afc-afdd-faa0c2f7df75/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:47:07,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:47:07,940 INFO L158 Benchmark]: Toolchain (without parser) took 1951.02ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 53.5MB in the beginning and 41.3MB in the end (delta: 12.2MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2022-10-17 16:47:07,941 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 90.2MB. Free memory was 69.5MB in the beginning and 69.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:47:07,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.29ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 53.3MB in the beginning and 103.4MB in the end (delta: -50.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:47:07,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.41ms. Allocated memory is still 125.8MB. Free memory was 103.4MB in the beginning and 102.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:47:07,946 INFO L158 Benchmark]: Boogie Preprocessor took 24.14ms. Allocated memory is still 125.8MB. Free memory was 102.1MB in the beginning and 100.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:47:07,949 INFO L158 Benchmark]: RCFGBuilder took 269.28ms. Allocated memory is still 125.8MB. Free memory was 100.7MB in the beginning and 90.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:47:07,950 INFO L158 Benchmark]: CodeCheck took 1278.40ms. Allocated memory is still 125.8MB. Free memory was 90.2MB in the beginning and 43.4MB in the end (delta: 46.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-10-17 16:47:07,951 INFO L158 Benchmark]: Witness Printer took 59.40ms. Allocated memory is still 125.8MB. Free memory was 43.4MB in the beginning and 41.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:47:07,957 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: 1.2s, 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: -1]: Loop Invariant Derived loop invariant: \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown) - InvariantResult [Line: 25]: 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 0.54ms. Allocated memory is still 90.2MB. Free memory was 69.5MB in the beginning and 69.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.29ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 53.3MB in the beginning and 103.4MB in the end (delta: -50.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.41ms. Allocated memory is still 125.8MB. Free memory was 103.4MB in the beginning and 102.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.14ms. Allocated memory is still 125.8MB. Free memory was 102.1MB in the beginning and 100.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 269.28ms. Allocated memory is still 125.8MB. Free memory was 100.7MB in the beginning and 90.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1278.40ms. Allocated memory is still 125.8MB. Free memory was 90.2MB in the beginning and 43.4MB in the end (delta: 46.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 59.40ms. Allocated memory is still 125.8MB. Free memory was 43.4MB in the beginning and 41.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:47:08,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82349bf4-201a-4afc-afdd-faa0c2f7df75/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