./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/array17_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1b9137-e797-4c3b-9c04-ffbb60d23a84/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1b9137-e797-4c3b-9c04-ffbb60d23a84/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1b9137-e797-4c3b-9c04-ffbb60d23a84/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1b9137-e797-4c3b-9c04-ffbb60d23a84/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/array17_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1b9137-e797-4c3b-9c04-ffbb60d23a84/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1b9137-e797-4c3b-9c04-ffbb60d23a84/bin/ukojak-rkRKPMF4O4 --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 64bit --witnessprinter.graph.data.programhash c64c4370fd8b6e918e28e5e9f3a24e52a6875ae7268f4c7e3f97f19ee293047c --- 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-2329fc7 [2022-12-15 01:56:10,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:56:10,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:56:10,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:56:10,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:56:10,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:56:10,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:56:10,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:56:10,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:56:10,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:56:10,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:56:10,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:56:10,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:56:10,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:56:10,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:56:10,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:56:10,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:56:10,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:56:10,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:56:10,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:56:10,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:56:10,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:56:10,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:56:10,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:56:10,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:56:10,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:56:10,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:56:10,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:56:10,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:56:10,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:56:10,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:56:10,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:56:10,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:56:10,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:56:10,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:56:10,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:56:10,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:56:10,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:56:10,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:56:10,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:56:10,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:56:10,967 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1b9137-e797-4c3b-9c04-ffbb60d23a84/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-15 01:56:10,986 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:56:10,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:56:10,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:56:10,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:56:10,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:56:10,988 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:56:10,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:56:10,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:56:10,996 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 01:56:10,996 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 01:56:10,997 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-15 01:56:10,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:56:10,997 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:56:10,997 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:56:10,997 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:56:10,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:56:10,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:56:10,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:56:10,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:56:10,998 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:56:10,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:56:10,998 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_cc1b9137-e797-4c3b-9c04-ffbb60d23a84/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1b9137-e797-4c3b-9c04-ffbb60d23a84/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c64c4370fd8b6e918e28e5e9f3a24e52a6875ae7268f4c7e3f97f19ee293047c [2022-12-15 01:56:11,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:56:11,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:56:11,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:56:11,182 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:56:11,183 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:56:11,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1b9137-e797-4c3b-9c04-ffbb60d23a84/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-15/array17_alloca.i [2022-12-15 01:56:13,748 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:56:13,925 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:56:13,926 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1b9137-e797-4c3b-9c04-ffbb60d23a84/sv-benchmarks/c/termination-15/array17_alloca.i [2022-12-15 01:56:13,934 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1b9137-e797-4c3b-9c04-ffbb60d23a84/bin/ukojak-rkRKPMF4O4/data/7a0a41e5a/f45d4790daed49b089d9e08b26b6611a/FLAGa0a344ed0 [2022-12-15 01:56:13,946 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1b9137-e797-4c3b-9c04-ffbb60d23a84/bin/ukojak-rkRKPMF4O4/data/7a0a41e5a/f45d4790daed49b089d9e08b26b6611a [2022-12-15 01:56:13,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:56:13,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:56:13,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:56:13,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:56:13,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:56:13,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:56:13" (1/1) ... [2022-12-15 01:56:13,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2baad298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:56:13, skipping insertion in model container [2022-12-15 01:56:13,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:56:13" (1/1) ... [2022-12-15 01:56:13,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:56:13,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:56:14,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:56:14,172 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:56:14,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:56:14,227 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:56:14,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:56:14 WrapperNode [2022-12-15 01:56:14,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:56:14,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:56:14,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:56:14,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:56:14,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:56:14" (1/1) ... [2022-12-15 01:56:14,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:56:14" (1/1) ... [2022-12-15 01:56:14,261 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 66 [2022-12-15 01:56:14,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:56:14,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:56:14,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:56:14,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:56:14,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:56:14" (1/1) ... [2022-12-15 01:56:14,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:56:14" (1/1) ... [2022-12-15 01:56:14,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:56:14" (1/1) ... [2022-12-15 01:56:14,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:56:14" (1/1) ... [2022-12-15 01:56:14,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:56:14" (1/1) ... [2022-12-15 01:56:14,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:56:14" (1/1) ... [2022-12-15 01:56:14,279 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:56:14" (1/1) ... [2022-12-15 01:56:14,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:56:14" (1/1) ... [2022-12-15 01:56:14,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:56:14,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:56:14,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:56:14,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:56:14,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:56:14" (1/1) ... [2022-12-15 01:56:14,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:56:14,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1b9137-e797-4c3b-9c04-ffbb60d23a84/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:56:14,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1b9137-e797-4c3b-9c04-ffbb60d23a84/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:56:14,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1b9137-e797-4c3b-9c04-ffbb60d23a84/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:56:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 01:56:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:56:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:56:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:56:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:56:14,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:56:14,396 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:56:14,398 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:56:14,522 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:56:14,558 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:56:14,558 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 01:56:14,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:56:14 BoogieIcfgContainer [2022-12-15 01:56:14,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:56:14,561 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:56:14,561 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:56:14,568 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:56:14,568 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:56:14" (1/1) ... [2022-12-15 01:56:14,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:56:14,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:14,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2022-12-15 01:56:14,614 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-12-15 01:56:14,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 01:56:14,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:14,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:14,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:14,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:14,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2022-12-15 01:56:14,783 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2022-12-15 01:56:14,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 01:56:14,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:14,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:14,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:14,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:14,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2022-12-15 01:56:14,887 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-12-15 01:56:14,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:56:14,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:14,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:15,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:15,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:15,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-12-15 01:56:15,083 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-12-15 01:56:15,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 01:56:15,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:15,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:15,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:15,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:15,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2022-12-15 01:56:15,313 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-12-15 01:56:15,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 01:56:15,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:15,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:15,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:16,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:16,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2022-12-15 01:56:16,117 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2022-12-15 01:56:16,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:56:16,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:16,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:16,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:16,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:16,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-12-15 01:56:16,876 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-12-15 01:56:16,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:56:16,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:16,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:17,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:17,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:17,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2022-12-15 01:56:17,984 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2022-12-15 01:56:17,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:56:17,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:17,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:18,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:56:18,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:18,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2022-12-15 01:56:18,595 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2022-12-15 01:56:18,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:56:18,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:18,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:18,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:18,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:18,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2022-12-15 01:56:18,636 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2022-12-15 01:56:18,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:56:18,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:18,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:19,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:19,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2022-12-15 01:56:19,346 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2022-12-15 01:56:19,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:56:19,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:19,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:19,654 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:20,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:20,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2022-12-15 01:56:20,583 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2022-12-15 01:56:20,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:56:20,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:20,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:20,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:21,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:21,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2022-12-15 01:56:21,848 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2022-12-15 01:56:21,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:56:21,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:21,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:22,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:56:23,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:23,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2022-12-15 01:56:23,332 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2022-12-15 01:56:23,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:56:23,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:23,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:23,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:56:23,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:23,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 68 transitions. [2022-12-15 01:56:23,530 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2022-12-15 01:56:23,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:56:23,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:23,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:23,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:24,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:24,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 37 states and 70 transitions. [2022-12-15 01:56:24,309 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 70 transitions. [2022-12-15 01:56:24,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:56:24,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:24,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:24,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:56:24,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:24,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2022-12-15 01:56:24,340 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2022-12-15 01:56:24,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:56:24,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:24,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:24,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:56:25,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:25,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 75 transitions. [2022-12-15 01:56:25,073 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 75 transitions. [2022-12-15 01:56:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:56:25,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:25,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:25,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:56:25,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:25,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2022-12-15 01:56:25,507 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2022-12-15 01:56:25,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:56:25,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:25,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:25,972 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:26,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:26,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 78 transitions. [2022-12-15 01:56:26,649 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 78 transitions. [2022-12-15 01:56:26,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:56:26,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:26,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:27,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:27,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:27,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 82 transitions. [2022-12-15 01:56:27,818 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 82 transitions. [2022-12-15 01:56:27,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:56:27,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:27,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:28,147 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:28,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:28,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 42 states and 86 transitions. [2022-12-15 01:56:28,963 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 86 transitions. [2022-12-15 01:56:28,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:56:28,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:28,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 01:56:29,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:29,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2022-12-15 01:56:29,719 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2022-12-15 01:56:29,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:56:29,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:29,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:30,048 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:32,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:32,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 99 transitions. [2022-12-15 01:56:32,225 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2022-12-15 01:56:32,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:56:32,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:32,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:32,752 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:33,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:33,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2022-12-15 01:56:33,536 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2022-12-15 01:56:33,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:56:33,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:33,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 01:56:33,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:33,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 53 states and 108 transitions. [2022-12-15 01:56:33,871 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 108 transitions. [2022-12-15 01:56:33,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:56:33,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:33,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:34,343 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:35,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:35,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 56 states and 115 transitions. [2022-12-15 01:56:35,551 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 115 transitions. [2022-12-15 01:56:35,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:56:35,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:35,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:36,103 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:37,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:37,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2022-12-15 01:56:37,131 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2022-12-15 01:56:37,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:56:37,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:37,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:37,169 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 01:56:37,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:37,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2022-12-15 01:56:37,689 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2022-12-15 01:56:37,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:56:37,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:37,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:37,726 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 01:56:38,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:38,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 45 states and 83 transitions. [2022-12-15 01:56:38,193 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2022-12-15 01:56:38,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:56:38,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:38,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:38,236 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:56:38,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:38,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2022-12-15 01:56:38,764 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2022-12-15 01:56:38,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:56:38,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:38,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:38,804 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-15 01:56:39,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:39,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 48 states and 87 transitions. [2022-12-15 01:56:39,115 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2022-12-15 01:56:39,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:56:39,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:56:39,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:56:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:56:39,147 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-15 01:56:39,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:56:39,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2022-12-15 01:56:39,656 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2022-12-15 01:56:39,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:56:39,656 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2022-12-15 01:56:39,663 INFO L754 CodeCheckObserver]: All specifications hold 7 specifications checked. All of them hold [2022-12-15 01:56:39,913 INFO L560 CodeCheckObserver]: Invariant with dag size 38 [2022-12-15 01:56:39,922 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2022-12-15 01:56:39,923 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-15 01:56:39,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:56:39 ImpRootNode [2022-12-15 01:56:39,924 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:56:39,924 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:56:39,924 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:56:39,924 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:56:39,924 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:56:14" (3/4) ... [2022-12-15 01:56:39,927 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:56:39,933 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-15 01:56:39,933 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-15 01:56:39,933 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-15 01:56:39,934 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:56:39,952 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-15 01:56:39,952 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\valid[arr] == 1 && 1 <= i) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && arr == 0) && i <= 1) || ((((((i == 0 && \valid[arr] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && arr == 0) && 1 <= length)) || ((((((\valid[arr] == 1 && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && arr == 0) && 2 <= i) && arr + i * 4 <= unknown-#length-unknown[arr]) [2022-12-15 01:56:39,952 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((length <= 1 && \valid[arr] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && j == 1) || (((\valid[arr] == 1 && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && arr + length * 4 <= unknown-#length-unknown[arr]) && arr == 0) [2022-12-15 01:56:39,963 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1b9137-e797-4c3b-9c04-ffbb60d23a84/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:56:39,963 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:56:39,964 INFO L158 Benchmark]: Toolchain (without parser) took 26013.67ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 110.1MB in the beginning and 91.9MB in the end (delta: 18.2MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2022-12-15 01:56:39,964 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:56:39,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.98ms. Allocated memory is still 151.0MB. Free memory was 110.1MB in the beginning and 92.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 01:56:39,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.73ms. Allocated memory is still 151.0MB. Free memory was 92.3MB in the beginning and 90.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:56:39,965 INFO L158 Benchmark]: Boogie Preprocessor took 20.07ms. Allocated memory is still 151.0MB. Free memory was 90.7MB in the beginning and 89.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:56:39,965 INFO L158 Benchmark]: RCFGBuilder took 277.92ms. Allocated memory is still 151.0MB. Free memory was 89.1MB in the beginning and 74.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 01:56:39,965 INFO L158 Benchmark]: CodeCheck took 25362.69ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 74.9MB in the beginning and 95.0MB in the end (delta: -20.1MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-12-15 01:56:39,965 INFO L158 Benchmark]: Witness Printer took 39.39ms. Allocated memory is still 182.5MB. Free memory was 95.0MB in the beginning and 91.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:56:39,967 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, 18 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 25.1s, OverallIterations: 33, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2353 SdHoareTripleChecker+Valid, 12.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1942 mSDsluCounter, 755 SdHoareTripleChecker+Invalid, 11.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 390 mSDsCounter, 2214 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9137 IncrementalHoareTripleChecker+Invalid, 11351 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2214 mSolverCounterUnsat, 365 mSDtfsCounter, 9137 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3748 GetRequests, 3330 SyntacticMatches, 102 SemanticMatches, 316 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50471 ImplicationChecksByTransitivity, 22.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 371 NumberOfCodeBlocks, 371 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 3327 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 16 PerfectInterpolantSequences, 122/212 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: -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: -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: 364]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: (((((((\valid[arr] == 1 && 1 <= i) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && arr == 0) && i <= 1) || ((((((i == 0 && \valid[arr] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && arr == 0) && 1 <= length)) || ((((((\valid[arr] == 1 && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && arr == 0) && 2 <= i) && arr + i * 4 <= unknown-#length-unknown[arr]) - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (((length <= 1 && \valid[arr] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && j == 1) || (((\valid[arr] == 1 && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && arr + length * 4 <= unknown-#length-unknown[arr]) && arr == 0) - InvariantResult [Line: 364]: 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 0.19ms. Allocated memory is still 151.0MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.98ms. Allocated memory is still 151.0MB. Free memory was 110.1MB in the beginning and 92.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.73ms. Allocated memory is still 151.0MB. Free memory was 92.3MB in the beginning and 90.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.07ms. Allocated memory is still 151.0MB. Free memory was 90.7MB in the beginning and 89.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 277.92ms. Allocated memory is still 151.0MB. Free memory was 89.1MB in the beginning and 74.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 25362.69ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 74.9MB in the beginning and 95.0MB in the end (delta: -20.1MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Witness Printer took 39.39ms. Allocated memory is still 182.5MB. Free memory was 95.0MB in the beginning and 91.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:56:39,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1b9137-e797-4c3b-9c04-ffbb60d23a84/bin/ukojak-rkRKPMF4O4/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