./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6610f5df-4301-46c1-beaf-747f640001f7/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6610f5df-4301-46c1-beaf-747f640001f7/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6610f5df-4301-46c1-beaf-747f640001f7/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6610f5df-4301-46c1-beaf-747f640001f7/bin/ukojak-fKGseLULKY/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6610f5df-4301-46c1-beaf-747f640001f7/bin/ukojak-fKGseLULKY/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6610f5df-4301-46c1-beaf-747f640001f7/bin/ukojak-fKGseLULKY --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 3f34751565a9d43a481fab038d13037e70cdccbf ....................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:34:51,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:34:51,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:34:51,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:34:51,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:34:51,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:34:51,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:34:51,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:34:51,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:34:51,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:34:51,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:34:51,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:34:51,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:34:51,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:34:51,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:34:51,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:34:51,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:34:51,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:34:51,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:34:51,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:34:51,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:34:51,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:34:51,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:34:51,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:34:51,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:34:51,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:34:51,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:34:51,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:34:51,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:34:51,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:34:51,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:34:51,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:34:51,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:34:51,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:34:51,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:34:51,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:34:51,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:34:51,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:34:51,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:34:51,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:34:51,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:34:51,280 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6610f5df-4301-46c1-beaf-747f640001f7/bin/ukojak-fKGseLULKY/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2021-10-13 04:34:51,322 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:34:51,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:34:51,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:34:51,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:34:51,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:34:51,326 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:34:51,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:34:51,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:34:51,332 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 04:34:51,333 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 04:34:51,334 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 04:34:51,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:34:51,334 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:34:51,335 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:34:51,335 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:34:51,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:34:51,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:34:51,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:34:51,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:34:51,336 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:34:51,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:34:51,337 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_6610f5df-4301-46c1-beaf-747f640001f7/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6610f5df-4301-46c1-beaf-747f640001f7/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f34751565a9d43a481fab038d13037e70cdccbf [2021-10-13 04:34:51,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:34:51,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:34:51,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:34:51,632 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:34:51,633 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:34:51,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6610f5df-4301-46c1-beaf-747f640001f7/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2021-10-13 04:34:51,704 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6610f5df-4301-46c1-beaf-747f640001f7/bin/ukojak-fKGseLULKY/data/97da40945/b8f578bb527345e6aa90163707e4fbe9/FLAG10af32786 [2021-10-13 04:34:52,153 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:34:52,154 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6610f5df-4301-46c1-beaf-747f640001f7/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2021-10-13 04:34:52,170 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6610f5df-4301-46c1-beaf-747f640001f7/bin/ukojak-fKGseLULKY/data/97da40945/b8f578bb527345e6aa90163707e4fbe9/FLAG10af32786 [2021-10-13 04:34:52,553 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6610f5df-4301-46c1-beaf-747f640001f7/bin/ukojak-fKGseLULKY/data/97da40945/b8f578bb527345e6aa90163707e4fbe9 [2021-10-13 04:34:52,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:34:52,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:34:52,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:34:52,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:34:52,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:34:52,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:34:52" (1/1) ... [2021-10-13 04:34:52,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2547c884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:52, skipping insertion in model container [2021-10-13 04:34:52,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:34:52" (1/1) ... [2021-10-13 04:34:52,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:34:52,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:34:52,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:34:52,738 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:34:52,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:34:52,761 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:34:52,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:52 WrapperNode [2021-10-13 04:34:52,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:34:52,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:34:52,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:34:52,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:34:52,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:52" (1/1) ... [2021-10-13 04:34:52,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:52" (1/1) ... [2021-10-13 04:34:52,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:34:52,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:34:52,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:34:52,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:34:52,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:52" (1/1) ... [2021-10-13 04:34:52,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:52" (1/1) ... [2021-10-13 04:34:52,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:52" (1/1) ... [2021-10-13 04:34:52,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:52" (1/1) ... [2021-10-13 04:34:52,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:52" (1/1) ... [2021-10-13 04:34:52,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:52" (1/1) ... [2021-10-13 04:34:52,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:52" (1/1) ... [2021-10-13 04:34:52,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:34:52,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:34:52,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:34:52,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:34:52,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:52" (1/1) ... [2021-10-13 04:34:52,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:34:52,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6610f5df-4301-46c1-beaf-747f640001f7/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:34:52,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6610f5df-4301-46c1-beaf-747f640001f7/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:34:52,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6610f5df-4301-46c1-beaf-747f640001f7/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:34:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 04:34:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 04:34:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:34:52,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:34:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 04:34:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 04:34:53,117 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:34:53,117 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 04:34:53,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:34:53 BoogieIcfgContainer [2021-10-13 04:34:53,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:34:53,120 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:34:53,120 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:34:53,129 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:34:53,129 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:34:53" (1/1) ... [2021-10-13 04:34:53,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:34:53,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:53,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2021-10-13 04:34:53,169 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-10-13 04:34:53,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-13 04:34:53,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:53,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:34:53,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:34:53,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:53,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-10-13 04:34:53,327 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-10-13 04:34:53,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-13 04:34:53,327 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:53,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:34:53,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:34:53,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:53,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2021-10-13 04:34:53,455 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-10-13 04:34:53,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 04:34:53,455 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:53,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:34:53,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:34:53,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:53,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2021-10-13 04:34:53,539 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-10-13 04:34:53,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 04:34:53,540 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:53,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:34:53,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:34:53,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:53,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2021-10-13 04:34:53,696 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2021-10-13 04:34:53,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 04:34:53,697 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:53,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:34:53,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:34:53,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:53,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2021-10-13 04:34:53,934 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-10-13 04:34:53,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:34:53,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:53,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:34:53,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:34:54,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:54,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2021-10-13 04:34:54,272 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-10-13 04:34:54,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:34:54,272 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:54,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:34:54,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:34:54,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:54,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2021-10-13 04:34:54,334 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2021-10-13 04:34:54,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:34:54,335 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:54,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:34:54,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:34:54,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:54,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2021-10-13 04:34:54,375 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-10-13 04:34:54,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 04:34:54,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:54,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:34:54,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:34:54,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:54,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2021-10-13 04:34:54,569 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2021-10-13 04:34:54,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 04:34:54,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:54,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:34:54,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:34:54,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:54,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2021-10-13 04:34:54,703 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-10-13 04:34:54,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 04:34:54,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:54,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:34:54,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:34:55,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:55,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2021-10-13 04:34:55,485 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2021-10-13 04:34:55,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 04:34:55,486 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:55,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:34:55,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:34:55,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:55,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2021-10-13 04:34:55,560 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2021-10-13 04:34:55,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 04:34:55,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:55,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:34:55,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:34:55,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:55,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2021-10-13 04:34:55,741 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2021-10-13 04:34:55,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 04:34:55,742 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:55,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:34:55,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:34:55,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:55,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-10-13 04:34:55,811 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-10-13 04:34:55,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 04:34:55,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:55,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:34:55,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:34:56,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2021-10-13 04:34:56,024 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-10-13 04:34:56,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 04:34:56,025 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2021-10-13 04:34:56,031 INFO L759 CodeCheckObserver]: All specifications hold 10 specifications checked. All of them hold [2021-10-13 04:34:56,159 INFO L565 CodeCheckObserver]: Invariant with dag size 21 [2021-10-13 04:34:56,174 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-13 04:34:56,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:34:56 ImpRootNode [2021-10-13 04:34:56,174 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:34:56,175 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:34:56,175 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:34:56,175 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:34:56,175 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:34:53" (3/4) ... [2021-10-13 04:34:56,177 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 04:34:56,190 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-13 04:34:56,190 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-13 04:34:56,190 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 04:34:56,216 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 [2021-10-13 04:34:56,216 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2021-10-13 04:34:56,232 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6610f5df-4301-46c1-beaf-747f640001f7/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:34:56,232 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:34:56,234 INFO L168 Benchmark]: Toolchain (without parser) took 3675.91 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.2 MB in the beginning and 79.0 MB in the end (delta: -27.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:34:56,234 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 67.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:34:56,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.83 ms. Allocated memory is still 88.1 MB. Free memory was 51.0 MB in the beginning and 65.5 MB in the end (delta: -14.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:34:56,235 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.21 ms. Allocated memory is still 88.1 MB. Free memory was 65.5 MB in the beginning and 64.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:34:56,236 INFO L168 Benchmark]: Boogie Preprocessor took 20.24 ms. Allocated memory is still 88.1 MB. Free memory was 64.1 MB in the beginning and 63.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:34:56,236 INFO L168 Benchmark]: RCFGBuilder took 306.27 ms. Allocated memory is still 88.1 MB. Free memory was 63.1 MB in the beginning and 52.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 04:34:56,237 INFO L168 Benchmark]: CodeCheck took 3054.19 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 52.7 MB in the beginning and 81.0 MB in the end (delta: -28.3 MB). Peak memory consumption was 36.5 MB. Max. memory is 16.1 GB. [2021-10-13 04:34:56,238 INFO L168 Benchmark]: Witness Printer took 57.38 ms. Allocated memory is still 107.0 MB. Free memory was 81.0 MB in the beginning and 79.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:34:56,241 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: 2877.5ms, OverallIterations: 16, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 40960 SDtfs, 60552 SDslu, 66232 SDs, 0 SdLazy, 296448 SolverSat, 131168 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1488.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 737 GetRequests, 625 SyntacticMatches, 34 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2767 ImplicationChecksByTransitivity, 1780.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 26.0ms SsaConstructionTime, 198.7ms SatisfiabilityAnalysisTime, 500.2ms InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 570 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, 0.0ms 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] == 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 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 67.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 203.83 ms. Allocated memory is still 88.1 MB. Free memory was 51.0 MB in the beginning and 65.5 MB in the end (delta: -14.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.21 ms. Allocated memory is still 88.1 MB. Free memory was 65.5 MB in the beginning and 64.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.24 ms. Allocated memory is still 88.1 MB. Free memory was 64.1 MB in the beginning and 63.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 306.27 ms. Allocated memory is still 88.1 MB. Free memory was 63.1 MB in the beginning and 52.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 3054.19 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 52.7 MB in the beginning and 81.0 MB in the end (delta: -28.3 MB). Peak memory consumption was 36.5 MB. Max. memory is 16.1 GB. * Witness Printer took 57.38 ms. Allocated memory is still 107.0 MB. Free memory was 81.0 MB in the beginning and 79.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 04:34:56,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6610f5df-4301-46c1-beaf-747f640001f7/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...