./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b 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_9a4259cb-f7fa-484a-befc-624d129297a3/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4259cb-f7fa-484a-befc-624d129297a3/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4259cb-f7fa-484a-befc-624d129297a3/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4259cb-f7fa-484a-befc-624d129297a3/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4259cb-f7fa-484a-befc-624d129297a3/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4259cb-f7fa-484a-befc-624d129297a3/bin/ukojak-pZX7IvK2PQ --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 cf36d0c9351c4c2fb1711d3f7c837e0253db9403415afa1c4469ec7ba9a72414 --- 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-6b4ec56 [2022-11-20 16:45:19,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:45:19,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:45:19,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:45:19,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:45:19,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:45:19,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:45:19,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:45:19,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:45:19,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:45:19,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:45:19,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:45:19,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:45:19,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:45:19,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:45:19,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:45:19,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:45:19,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:45:19,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:45:19,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:45:19,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:45:19,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:45:19,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:45:19,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:45:19,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:45:19,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:45:19,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:45:19,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:45:19,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:45:19,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:45:19,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:45:19,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:45:19,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:45:19,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:45:19,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:45:19,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:45:19,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:45:19,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:45:19,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:45:19,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:45:19,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:45:19,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4259cb-f7fa-484a-befc-624d129297a3/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-11-20 16:45:19,431 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:45:19,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:45:19,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:45:19,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:45:19,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:45:19,435 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:45:19,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:45:19,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:45:19,435 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 16:45:19,435 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 16:45:19,437 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 16:45:19,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:45:19,437 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:45:19,437 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:45:19,438 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:45:19,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:45:19,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:45:19,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:45:19,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:45:19,439 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:45:19,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:45:19,439 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_9a4259cb-f7fa-484a-befc-624d129297a3/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4259cb-f7fa-484a-befc-624d129297a3/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf36d0c9351c4c2fb1711d3f7c837e0253db9403415afa1c4469ec7ba9a72414 [2022-11-20 16:45:19,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:45:19,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:45:19,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:45:19,772 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:45:19,772 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:45:19,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4259cb-f7fa-484a-befc-624d129297a3/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i [2022-11-20 16:45:22,840 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:45:23,112 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:45:23,112 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4259cb-f7fa-484a-befc-624d129297a3/sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i [2022-11-20 16:45:23,125 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4259cb-f7fa-484a-befc-624d129297a3/bin/ukojak-pZX7IvK2PQ/data/c07181e6d/bedd38cf69c342339483ab96594639f7/FLAGa5e1b7568 [2022-11-20 16:45:23,143 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4259cb-f7fa-484a-befc-624d129297a3/bin/ukojak-pZX7IvK2PQ/data/c07181e6d/bedd38cf69c342339483ab96594639f7 [2022-11-20 16:45:23,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:45:23,147 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:45:23,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:45:23,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:45:23,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:45:23,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:45:23" (1/1) ... [2022-11-20 16:45:23,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7197b213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:23, skipping insertion in model container [2022-11-20 16:45:23,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:45:23" (1/1) ... [2022-11-20 16:45:23,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:45:23,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:45:23,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:45:23,562 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:45:23,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:45:23,669 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:45:23,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:23 WrapperNode [2022-11-20 16:45:23,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:45:23,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:45:23,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:45:23,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:45:23,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:23" (1/1) ... [2022-11-20 16:45:23,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:23" (1/1) ... [2022-11-20 16:45:23,725 INFO L138 Inliner]: procedures = 152, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-11-20 16:45:23,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:45:23,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:45:23,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:45:23,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:45:23,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:23" (1/1) ... [2022-11-20 16:45:23,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:23" (1/1) ... [2022-11-20 16:45:23,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:23" (1/1) ... [2022-11-20 16:45:23,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:23" (1/1) ... [2022-11-20 16:45:23,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:23" (1/1) ... [2022-11-20 16:45:23,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:23" (1/1) ... [2022-11-20 16:45:23,761 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:23" (1/1) ... [2022-11-20 16:45:23,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:23" (1/1) ... [2022-11-20 16:45:23,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:45:23,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:45:23,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:45:23,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:45:23,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:23" (1/1) ... [2022-11-20 16:45:23,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:45:23,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4259cb-f7fa-484a-befc-624d129297a3/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:45:23,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4259cb-f7fa-484a-befc-624d129297a3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:45:23,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4259cb-f7fa-484a-befc-624d129297a3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:45:23,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:45:23,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:45:23,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:45:23,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:45:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:45:23,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:45:23,968 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:45:23,972 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:45:24,198 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:45:24,240 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:45:24,240 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 16:45:24,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:45:24 BoogieIcfgContainer [2022-11-20 16:45:24,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:45:24,244 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:45:24,244 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:45:24,255 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:45:24,255 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:45:24" (1/1) ... [2022-11-20 16:45:24,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:45:24,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:24,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-11-20 16:45:24,346 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-20 16:45:24,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 16:45:24,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:24,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:24,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:24,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:24,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-11-20 16:45:24,628 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-11-20 16:45:24,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 16:45:24,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:24,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:24,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:24,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:24,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-11-20 16:45:24,992 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-20 16:45:24,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 16:45:24,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:24,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:25,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:25,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:25,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2022-11-20 16:45:25,554 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-11-20 16:45:25,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:45:25,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:25,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:25,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:25,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:25,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-11-20 16:45:25,802 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-11-20 16:45:25,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:45:25,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:25,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:26,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:27,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:27,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2022-11-20 16:45:27,078 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-11-20 16:45:27,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:45:27,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:27,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:27,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:28,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:28,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2022-11-20 16:45:28,302 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-20 16:45:28,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:45:28,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:28,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:28,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:30,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:30,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2022-11-20 16:45:30,808 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-11-20 16:45:30,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:45:30,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:30,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:33,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:33,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2022-11-20 16:45:33,163 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-11-20 16:45:33,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:45:33,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:33,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:34,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:37,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:37,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2022-11-20 16:45:37,165 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2022-11-20 16:45:37,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:45:37,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:37,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:37,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:45:39,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:39,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2022-11-20 16:45:39,151 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2022-11-20 16:45:39,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:45:39,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:39,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:39,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:41,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:41,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2022-11-20 16:45:41,565 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2022-11-20 16:45:41,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:45:41,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:41,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:42,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:47,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:47,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2022-11-20 16:45:47,992 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2022-11-20 16:45:47,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:45:47,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:47,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:48,074 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:45:50,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:50,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2022-11-20 16:45:50,388 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2022-11-20 16:45:50,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:45:50,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:50,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:52,473 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:46:02,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:02,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 63 transitions. [2022-11-20 16:46:02,842 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2022-11-20 16:46:02,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:46:02,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:02,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:05,719 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:46:09,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:09,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2022-11-20 16:46:09,253 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2022-11-20 16:46:09,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:46:09,254 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2022-11-20 16:46:09,263 INFO L754 CodeCheckObserver]: All specifications hold 7 specifications checked. All of them hold [2022-11-20 16:46:09,441 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-20 16:46:09,451 INFO L560 CodeCheckObserver]: Invariant with dag size 39 [2022-11-20 16:46:09,455 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-11-20 16:46:09,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:46:09 ImpRootNode [2022-11-20 16:46:09,458 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:46:09,458 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:46:09,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:46:09,459 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:46:09,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:45:24" (3/4) ... [2022-11-20 16:46:09,462 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:46:09,472 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-20 16:46:09,472 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 16:46:09,472 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 16:46:09,473 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:46:09,499 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-11-20 16:46:09,499 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(src == dst) && !(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char)))) && 0 == unknown-#memory_int-unknown[src][0]) && \valid[dst] == 1) && src <= dst) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length2 * sizeof(char))] == 0) && src + 1 <= unknown-#length-unknown[src]) && \valid[src] == 1) && \valid[__builtin_alloca(length1 * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length1 * sizeof(char))]][__builtin_alloca(length2 * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length2 * sizeof(char))]] == \old(unknown-main_\old_#valid#1-unknown)) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length1 * sizeof(char))] == 0) && 0 <= src) && dst + 1 <= unknown-#length-unknown[dst] [2022-11-20 16:46:09,500 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char))) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length2 * sizeof(char))] == 0) && \valid[__builtin_alloca(length1 * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length1 * sizeof(char))]][__builtin_alloca(length2 * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length2 * sizeof(char))]] == \old(unknown-main_\old_#valid#1-unknown)) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length1 * sizeof(char))] == 0 [2022-11-20 16:46:09,514 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4259cb-f7fa-484a-befc-624d129297a3/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:46:09,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:46:09,515 INFO L158 Benchmark]: Toolchain (without parser) took 46367.80ms. Allocated memory was 169.9MB in the beginning and 297.8MB in the end (delta: 127.9MB). Free memory was 124.6MB in the beginning and 186.6MB in the end (delta: -62.0MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2022-11-20 16:46:09,516 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 123.7MB. Free memory was 90.1MB in the beginning and 90.0MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:46:09,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.65ms. Allocated memory is still 169.9MB. Free memory was 124.6MB in the beginning and 107.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 16:46:09,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.77ms. Allocated memory is still 169.9MB. Free memory was 107.2MB in the beginning and 105.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:46:09,518 INFO L158 Benchmark]: Boogie Preprocessor took 37.63ms. Allocated memory is still 169.9MB. Free memory was 105.1MB in the beginning and 103.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:46:09,518 INFO L158 Benchmark]: RCFGBuilder took 478.50ms. Allocated memory is still 169.9MB. Free memory was 103.7MB in the beginning and 89.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 16:46:09,519 INFO L158 Benchmark]: CodeCheck took 45213.78ms. Allocated memory was 169.9MB in the beginning and 297.8MB in the end (delta: 127.9MB). Free memory was 89.7MB in the beginning and 189.8MB in the end (delta: -100.1MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2022-11-20 16:46:09,519 INFO L158 Benchmark]: Witness Printer took 56.14ms. Allocated memory is still 297.8MB. Free memory was 189.8MB in the beginning and 186.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:46:09,523 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, 17 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 45.0s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 362 SdHoareTripleChecker+Valid, 6.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 316 mSDsluCounter, 286 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 240 mSDsCounter, 620 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2166 IncrementalHoareTripleChecker+Invalid, 2786 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 620 mSolverCounterUnsat, 46 mSDtfsCounter, 2166 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1258 GetRequests, 962 SyntacticMatches, 20 SemanticMatches, 276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28182 ImplicationChecksByTransitivity, 40.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 1125 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 8 PerfectInterpolantSequences, 10/44 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: 372]: 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: 372]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: ((((((((((!(src == dst) && !(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char)))) && 0 == unknown-#memory_int-unknown[src][0]) && \valid[dst] == 1) && src <= dst) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length2 * sizeof(char))] == 0) && src + 1 <= unknown-#length-unknown[src]) && \valid[src] == 1) && \valid[__builtin_alloca(length1 * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length1 * sizeof(char))]][__builtin_alloca(length2 * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length2 * sizeof(char))]] == \old(unknown-main_\old_#valid#1-unknown)) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length1 * sizeof(char))] == 0) && 0 <= src) && dst + 1 <= unknown-#length-unknown[dst] - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: ((!(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char))) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length2 * sizeof(char))] == 0) && \valid[__builtin_alloca(length1 * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length1 * sizeof(char))]][__builtin_alloca(length2 * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length2 * sizeof(char))]] == \old(unknown-main_\old_#valid#1-unknown)) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length1 * sizeof(char))] == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 123.7MB. Free memory was 90.1MB in the beginning and 90.0MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.65ms. Allocated memory is still 169.9MB. Free memory was 124.6MB in the beginning and 107.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.77ms. Allocated memory is still 169.9MB. Free memory was 107.2MB in the beginning and 105.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.63ms. Allocated memory is still 169.9MB. Free memory was 105.1MB in the beginning and 103.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 478.50ms. Allocated memory is still 169.9MB. Free memory was 103.7MB in the beginning and 89.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 45213.78ms. Allocated memory was 169.9MB in the beginning and 297.8MB in the end (delta: 127.9MB). Free memory was 89.7MB in the beginning and 189.8MB in the end (delta: -100.1MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Witness Printer took 56.14ms. Allocated memory is still 297.8MB. Free memory was 189.8MB in the beginning and 186.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:46:09,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a4259cb-f7fa-484a-befc-624d129297a3/bin/ukojak-pZX7IvK2PQ/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