./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3592857-9080-4593-a515-ee6279ed77b9/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3592857-9080-4593-a515-ee6279ed77b9/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3592857-9080-4593-a515-ee6279ed77b9/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3592857-9080-4593-a515-ee6279ed77b9/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3592857-9080-4593-a515-ee6279ed77b9/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3592857-9080-4593-a515-ee6279ed77b9/bin/ukojak-2xVlg8857e --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 32689ae30ae51ecba7c5b43dcb93819b27d0e14fbdff3ab2701407818eca0145 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:28:19,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:28:19,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:28:19,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:28:19,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:28:19,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:28:19,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:28:19,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:28:19,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:28:19,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:28:19,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:28:19,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:28:19,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:28:19,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:28:19,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:28:19,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:28:19,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:28:19,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:28:19,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:28:19,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:28:19,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:28:19,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:28:19,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:28:19,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:28:19,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:28:19,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:28:19,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:28:19,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:28:19,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:28:19,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:28:19,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:28:19,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:28:19,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:28:19,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:28:19,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:28:19,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:28:19,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:28:19,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:28:19,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:28:19,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:28:19,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:28:19,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3592857-9080-4593-a515-ee6279ed77b9/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2021-11-13 23:28:19,703 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:28:19,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:28:19,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:28:19,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:28:19,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:28:19,706 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:28:19,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:28:19,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:28:19,706 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 23:28:19,706 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 23:28:19,707 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 23:28:19,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:28:19,707 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:28:19,707 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:28:19,707 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:28:19,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:28:19,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:28:19,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:28:19,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:28:19,708 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:28:19,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:28:19,709 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_e3592857-9080-4593-a515-ee6279ed77b9/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3592857-9080-4593-a515-ee6279ed77b9/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32689ae30ae51ecba7c5b43dcb93819b27d0e14fbdff3ab2701407818eca0145 [2021-11-13 23:28:19,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:28:20,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:28:20,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:28:20,036 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:28:20,037 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:28:20,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3592857-9080-4593-a515-ee6279ed77b9/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2021-11-13 23:28:20,129 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3592857-9080-4593-a515-ee6279ed77b9/bin/ukojak-2xVlg8857e/data/140a79e28/d010b6d8ed3a45b7ba8e5f6d5554f92b/FLAG098dc2e35 [2021-11-13 23:28:20,603 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:28:20,604 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3592857-9080-4593-a515-ee6279ed77b9/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2021-11-13 23:28:20,610 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3592857-9080-4593-a515-ee6279ed77b9/bin/ukojak-2xVlg8857e/data/140a79e28/d010b6d8ed3a45b7ba8e5f6d5554f92b/FLAG098dc2e35 [2021-11-13 23:28:20,980 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3592857-9080-4593-a515-ee6279ed77b9/bin/ukojak-2xVlg8857e/data/140a79e28/d010b6d8ed3a45b7ba8e5f6d5554f92b [2021-11-13 23:28:20,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:28:20,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:28:20,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:28:20,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:28:20,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:28:20,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:28:20" (1/1) ... [2021-11-13 23:28:20,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb374f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:20, skipping insertion in model container [2021-11-13 23:28:20,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:28:20" (1/1) ... [2021-11-13 23:28:21,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:28:21,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:28:21,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:28:21,201 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:28:21,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:28:21,227 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:28:21,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:21 WrapperNode [2021-11-13 23:28:21,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:28:21,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:28:21,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:28:21,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:28:21,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:21" (1/1) ... [2021-11-13 23:28:21,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:21" (1/1) ... [2021-11-13 23:28:21,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:28:21,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:28:21,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:28:21,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:28:21,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:21" (1/1) ... [2021-11-13 23:28:21,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:21" (1/1) ... [2021-11-13 23:28:21,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:21" (1/1) ... [2021-11-13 23:28:21,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:21" (1/1) ... [2021-11-13 23:28:21,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:21" (1/1) ... [2021-11-13 23:28:21,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:21" (1/1) ... [2021-11-13 23:28:21,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:21" (1/1) ... [2021-11-13 23:28:21,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:28:21,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:28:21,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:28:21,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:28:21,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:28:21" (1/1) ... [2021-11-13 23:28:21,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:28:21,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3592857-9080-4593-a515-ee6279ed77b9/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:28:21,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3592857-9080-4593-a515-ee6279ed77b9/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:28:21,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3592857-9080-4593-a515-ee6279ed77b9/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:28:21,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:28:21,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 23:28:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:28:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:28:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:28:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:28:21,608 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:28:21,608 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:28:21,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:28:21 BoogieIcfgContainer [2021-11-13 23:28:21,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:28:21,612 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:28:21,612 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:28:21,622 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:28:21,622 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:28:21" (1/1) ... [2021-11-13 23:28:21,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:28:21,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:21,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2021-11-13 23:28:21,689 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-11-13 23:28:21,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-13 23:28:21,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:21,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:28:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-11-13 23:28:21,871 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-11-13 23:28:21,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-13 23:28:21,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:21,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:21,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:28:22,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:22,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2021-11-13 23:28:22,020 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-11-13 23:28:22,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:28:22,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:22,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:22,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:28:22,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:22,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2021-11-13 23:28:22,133 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-11-13 23:28:22,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:28:22,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:22,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:22,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:28:22,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:22,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2021-11-13 23:28:22,273 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2021-11-13 23:28:22,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:28:22,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:22,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:22,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:28:22,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:22,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2021-11-13 23:28:22,474 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-11-13 23:28:22,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:28:22,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:22,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:22,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:28:22,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:22,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2021-11-13 23:28:22,810 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-11-13 23:28:22,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:28:22,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:22,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:22,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:28:22,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:22,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2021-11-13 23:28:22,894 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2021-11-13 23:28:22,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:28:22,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:22,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:22,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:28:22,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:22,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2021-11-13 23:28:22,947 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-11-13 23:28:22,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:28:22,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:22,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:22,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:28:23,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:23,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2021-11-13 23:28:23,129 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2021-11-13 23:28:23,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:28:23,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:23,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:23,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:28:23,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:23,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2021-11-13 23:28:23,255 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-11-13 23:28:23,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:28:23,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:23,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:28:24,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:24,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2021-11-13 23:28:24,004 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2021-11-13 23:28:24,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:28:24,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:24,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:24,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:28:24,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:24,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2021-11-13 23:28:24,076 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2021-11-13 23:28:24,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:28:24,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:24,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:24,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:28:24,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:24,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2021-11-13 23:28:24,253 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2021-11-13 23:28:24,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:28:24,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:24,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:24,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:28:24,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:24,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-11-13 23:28:24,303 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-13 23:28:24,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:28:24,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:24,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:24,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:28:24,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:24,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2021-11-13 23:28:24,490 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-11-13 23:28:24,490 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 23:28:24,491 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2021-11-13 23:28:24,504 INFO L754 CodeCheckObserver]: All specifications hold 10 specifications checked. All of them hold [2021-11-13 23:28:24,582 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2021-11-13 23:28:24,593 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-13 23:28:24,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:28:24 ImpRootNode [2021-11-13 23:28:24,594 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:28:24,594 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:28:24,594 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:28:24,594 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:28:24,595 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:28:21" (3/4) ... [2021-11-13 23:28:24,598 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 23:28:24,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-13 23:28:24,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 23:28:24,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 23:28:24,609 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 23:28:24,633 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((p < unknown-#StackHeapBarrier-unknown && \valid[p := 0] == \old(unknown-main_\old_#valid#1-unknown)) && p + 4 <= unknown-#length-unknown[p]) && p == 0) && \valid[p] == 1 [2021-11-13 23:28:24,634 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2021-11-13 23:28:24,645 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3592857-9080-4593-a515-ee6279ed77b9/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:28:24,645 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:28:24,646 INFO L158 Benchmark]: Toolchain (without parser) took 3660.90ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 65.7MB in the beginning and 79.6MB in the end (delta: -13.9MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2021-11-13 23:28:24,646 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 77.6MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:28:24,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.43ms. Allocated memory is still 98.6MB. Free memory was 65.5MB in the beginning and 75.0MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:28:24,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.74ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 73.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:28:24,648 INFO L158 Benchmark]: Boogie Preprocessor took 22.91ms. Allocated memory is still 98.6MB. Free memory was 73.6MB in the beginning and 72.9MB in the end (delta: 756.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:28:24,648 INFO L158 Benchmark]: RCFGBuilder took 324.04ms. Allocated memory is still 98.6MB. Free memory was 72.5MB in the beginning and 62.8MB in the end (delta: 9.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 23:28:24,649 INFO L158 Benchmark]: CodeCheck took 2981.87ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 62.8MB in the beginning and 81.7MB in the end (delta: -18.9MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-13 23:28:24,649 INFO L158 Benchmark]: Witness Printer took 50.91ms. Allocated memory is still 121.6MB. Free memory was 81.7MB in the beginning and 79.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:28:24,652 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, 20 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 482 SdHoareTripleChecker+Valid, 2050.81ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 450 mSDsluCounter, 428 SdHoareTripleChecker+Invalid, 1705.81ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 352 mSDsCounter, 245 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 953 IncrementalHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 245 mSolverCounterUnsat, 76 mSDtfsCounter, 953 mSolverCounterSat, 67.71ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 737 GetRequests, 640 SyntacticMatches, 19 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2767 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 386 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 9/9 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: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 18]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 18]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 13]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: (((p < unknown-#StackHeapBarrier-unknown && \valid[p := 0] == \old(unknown-main_\old_#valid#1-unknown)) && p + 4 <= unknown-#length-unknown[p]) && p == 0) && \valid[p] == 1 - InvariantResult [Line: 13]: 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 0.29ms. Allocated memory is still 77.6MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.43ms. Allocated memory is still 98.6MB. Free memory was 65.5MB in the beginning and 75.0MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.74ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 73.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.91ms. Allocated memory is still 98.6MB. Free memory was 73.6MB in the beginning and 72.9MB in the end (delta: 756.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 324.04ms. Allocated memory is still 98.6MB. Free memory was 72.5MB in the beginning and 62.8MB in the end (delta: 9.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 2981.87ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 62.8MB in the beginning and 81.7MB in the end (delta: -18.9MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Witness Printer took 50.91ms. Allocated memory is still 121.6MB. Free memory was 81.7MB in the beginning and 79.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-13 23:28:24,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3592857-9080-4593-a515-ee6279ed77b9/bin/ukojak-2xVlg8857e/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