./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fa3d11-d3d3-43dd-bcbc-293d1230723c/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fa3d11-d3d3-43dd-bcbc-293d1230723c/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fa3d11-d3d3-43dd-bcbc-293d1230723c/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fa3d11-d3d3-43dd-bcbc-293d1230723c/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fa3d11-d3d3-43dd-bcbc-293d1230723c/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fa3d11-d3d3-43dd-bcbc-293d1230723c/bin/ukojak-Rh5K9KB4LI --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 4ce5b36ec45142454df368b1219eecfd99c0ab690f893f50424ec8a6183a262e ................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:23:24,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:23:24,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:23:24,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:23:24,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:23:24,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:23:24,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:23:24,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:23:24,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:23:24,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:23:24,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:23:24,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:23:24,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:23:24,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:23:24,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:23:24,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:23:24,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:23:24,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:23:24,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:23:24,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:23:24,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:23:24,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:23:24,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:23:24,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:23:24,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:23:24,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:23:24,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:23:24,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:23:24,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:23:24,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:23:24,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:23:24,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:23:24,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:23:24,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:23:24,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:23:24,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:23:24,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:23:24,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:23:24,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:23:24,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:23:24,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:23:24,373 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fa3d11-d3d3-43dd-bcbc-293d1230723c/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2021-10-29 04:23:24,418 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:23:24,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:23:24,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:23:24,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:23:24,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:23:24,421 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:23:24,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:23:24,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:23:24,421 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:23:24,422 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:23:24,422 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:23:24,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:23:24,422 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:23:24,423 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:23:24,423 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:23:24,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:23:24,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:23:24,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:23:24,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:23:24,424 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:23:24,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:23:24,425 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_49fa3d11-d3d3-43dd-bcbc-293d1230723c/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fa3d11-d3d3-43dd-bcbc-293d1230723c/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ce5b36ec45142454df368b1219eecfd99c0ab690f893f50424ec8a6183a262e [2021-10-29 04:23:24,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:23:24,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:23:24,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:23:24,744 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:23:24,745 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:23:24,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fa3d11-d3d3-43dd-bcbc-293d1230723c/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2021-10-29 04:23:24,829 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fa3d11-d3d3-43dd-bcbc-293d1230723c/bin/ukojak-Rh5K9KB4LI/data/452f1ab1b/2eea995e95e64b45acc1300ec7af86b3/FLAG1a6727276 [2021-10-29 04:23:25,376 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:23:25,379 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fa3d11-d3d3-43dd-bcbc-293d1230723c/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2021-10-29 04:23:25,390 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fa3d11-d3d3-43dd-bcbc-293d1230723c/bin/ukojak-Rh5K9KB4LI/data/452f1ab1b/2eea995e95e64b45acc1300ec7af86b3/FLAG1a6727276 [2021-10-29 04:23:25,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fa3d11-d3d3-43dd-bcbc-293d1230723c/bin/ukojak-Rh5K9KB4LI/data/452f1ab1b/2eea995e95e64b45acc1300ec7af86b3 [2021-10-29 04:23:25,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:23:25,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:23:25,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:23:25,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:23:25,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:23:25,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:23:25" (1/1) ... [2021-10-29 04:23:25,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e9352c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:25, skipping insertion in model container [2021-10-29 04:23:25,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:23:25" (1/1) ... [2021-10-29 04:23:25,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:23:25,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:23:25,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:23:25,978 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:23:25,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:23:26,005 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:23:26,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:26 WrapperNode [2021-10-29 04:23:26,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:23:26,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:23:26,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:23:26,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:23:26,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:26" (1/1) ... [2021-10-29 04:23:26,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:26" (1/1) ... [2021-10-29 04:23:26,047 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:23:26,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:23:26,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:23:26,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:23:26,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:26" (1/1) ... [2021-10-29 04:23:26,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:26" (1/1) ... [2021-10-29 04:23:26,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:26" (1/1) ... [2021-10-29 04:23:26,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:26" (1/1) ... [2021-10-29 04:23:26,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:26" (1/1) ... [2021-10-29 04:23:26,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:26" (1/1) ... [2021-10-29 04:23:26,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:26" (1/1) ... [2021-10-29 04:23:26,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:23:26,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:23:26,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:23:26,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:23:26,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:23:26" (1/1) ... [2021-10-29 04:23:26,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:23:26,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fa3d11-d3d3-43dd-bcbc-293d1230723c/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:23:26,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fa3d11-d3d3-43dd-bcbc-293d1230723c/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:23:26,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fa3d11-d3d3-43dd-bcbc-293d1230723c/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:23:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 04:23:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:23:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:23:26,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:23:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 04:23:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:23:26,398 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:23:26,399 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:23:26,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:23:26 BoogieIcfgContainer [2021-10-29 04:23:26,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:23:26,403 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:23:26,403 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:23:26,421 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:23:26,421 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:23:26" (1/1) ... [2021-10-29 04:23:26,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:23:26,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:26,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2021-10-29 04:23:26,470 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2021-10-29 04:23:26,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 04:23:26,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:26,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:26,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:26,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:26,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2021-10-29 04:23:26,637 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2021-10-29 04:23:26,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 04:23:26,637 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:26,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:26,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:26,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:26,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2021-10-29 04:23:26,815 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-10-29 04:23:26,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 04:23:26,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:26,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:26,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:26,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:26,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2021-10-29 04:23:26,879 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2021-10-29 04:23:26,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 04:23:26,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:26,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:26,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:27,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:27,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2021-10-29 04:23:27,069 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-10-29 04:23:27,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:23:27,070 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:27,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:27,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:27,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:27,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2021-10-29 04:23:27,158 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2021-10-29 04:23:27,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:23:27,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:27,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:27,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:27,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:27,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2021-10-29 04:23:27,278 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2021-10-29 04:23:27,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:23:27,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:27,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:27,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:27,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:27,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2021-10-29 04:23:27,416 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2021-10-29 04:23:27,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:23:27,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:27,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:27,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:27,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:27,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2021-10-29 04:23:27,822 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2021-10-29 04:23:27,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:23:27,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:27,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:27,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:27,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:27,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2021-10-29 04:23:27,868 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2021-10-29 04:23:27,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:23:27,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:27,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:27,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:27,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:27,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2021-10-29 04:23:27,905 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-10-29 04:23:27,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:23:27,905 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:27,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:27,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:28,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:28,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2021-10-29 04:23:28,100 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2021-10-29 04:23:28,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:23:28,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:28,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:28,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:23:28,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:28,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2021-10-29 04:23:28,954 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2021-10-29 04:23:28,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:23:28,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:28,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:28,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:23:28,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:28,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2021-10-29 04:23:28,993 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-10-29 04:23:28,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:23:28,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:28,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:29,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:23:29,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:29,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-10-29 04:23:29,058 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-10-29 04:23:29,058 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:23:29,058 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2021-10-29 04:23:29,065 INFO L759 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2021-10-29 04:23:29,151 INFO L565 CodeCheckObserver]: Invariant with dag size 21 [2021-10-29 04:23:29,169 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 04:23:29,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:23:29 ImpRootNode [2021-10-29 04:23:29,170 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:23:29,171 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:23:29,171 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:23:29,171 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:23:29,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:23:26" (3/4) ... [2021-10-29 04:23:29,181 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:23:29,195 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 04:23:29,195 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-29 04:23:29,196 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:23:29,224 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((p < unknown-#StackHeapBarrier-unknown && \valid[p] == 1) && \valid[p := \old(unknown-main_\old_#valid-unknown)[p]] == \old(unknown-main_\old_#valid-unknown)) && p + 4 <= unknown-#length-unknown[p]) && p == 0) && \old(unknown-main_\old_#valid-unknown)[p] == 0 [2021-10-29 04:23:29,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2021-10-29 04:23:29,238 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fa3d11-d3d3-43dd-bcbc-293d1230723c/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:23:29,239 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:23:29,240 INFO L168 Benchmark]: Toolchain (without parser) took 3486.19 ms. Allocated memory was 98.6 MB in the beginning and 132.1 MB in the end (delta: 33.6 MB). Free memory was 66.1 MB in the beginning and 41.3 MB in the end (delta: 24.8 MB). Peak memory consumption was 56.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:23:29,241 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 98.6 MB. Free memory is still 52.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:23:29,241 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.22 ms. Allocated memory is still 98.6 MB. Free memory was 65.9 MB in the beginning and 74.1 MB in the end (delta: -8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:23:29,242 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.99 ms. Allocated memory is still 98.6 MB. Free memory was 74.1 MB in the beginning and 72.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:23:29,243 INFO L168 Benchmark]: Boogie Preprocessor took 33.81 ms. Allocated memory is still 98.6 MB. Free memory was 72.8 MB in the beginning and 71.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:23:29,243 INFO L168 Benchmark]: RCFGBuilder took 318.67 ms. Allocated memory is still 98.6 MB. Free memory was 71.4 MB in the beginning and 60.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:23:29,244 INFO L168 Benchmark]: CodeCheck took 2767.83 ms. Allocated memory was 98.6 MB in the beginning and 132.1 MB in the end (delta: 33.6 MB). Free memory was 60.9 MB in the beginning and 44.3 MB in the end (delta: 16.6 MB). Peak memory consumption was 50.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:23:29,244 INFO L168 Benchmark]: Witness Printer took 67.76 ms. Allocated memory is still 132.1 MB. Free memory was 43.4 MB in the beginning and 41.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:23:29,248 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, 23 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 5120 SDtfs, 17612 SDslu, 8320 SDs, 0 SdLazy, 130048 SolverSat, 60184 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 630 GetRequests, 543 SyntacticMatches, 19 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2077 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 464 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 4/4 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: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 19]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 19]: 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 12 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: ((((p < unknown-#StackHeapBarrier-unknown && \valid[p] == 1) && \valid[p := \old(unknown-main_\old_#valid-unknown)[p]] == \old(unknown-main_\old_#valid-unknown)) && p + 4 <= unknown-#length-unknown[p]) && p == 0) && \old(unknown-main_\old_#valid-unknown)[p] == 0 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 98.6 MB. Free memory is still 52.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 250.22 ms. Allocated memory is still 98.6 MB. Free memory was 65.9 MB in the beginning and 74.1 MB in the end (delta: -8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.99 ms. Allocated memory is still 98.6 MB. Free memory was 74.1 MB in the beginning and 72.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.81 ms. Allocated memory is still 98.6 MB. Free memory was 72.8 MB in the beginning and 71.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 318.67 ms. Allocated memory is still 98.6 MB. Free memory was 71.4 MB in the beginning and 60.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 2767.83 ms. Allocated memory was 98.6 MB in the beginning and 132.1 MB in the end (delta: 33.6 MB). Free memory was 60.9 MB in the beginning and 44.3 MB in the end (delta: 16.6 MB). Peak memory consumption was 50.4 MB. Max. memory is 16.1 GB. * Witness Printer took 67.76 ms. Allocated memory is still 132.1 MB. Free memory was 43.4 MB in the beginning and 41.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:23:29,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49fa3d11-d3d3-43dd-bcbc-293d1230723c/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...