./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 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f07fcf1-45e5-4fff-8336-9ad1d1955186/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f07fcf1-45e5-4fff-8336-9ad1d1955186/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f07fcf1-45e5-4fff-8336-9ad1d1955186/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f07fcf1-45e5-4fff-8336-9ad1d1955186/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f07fcf1-45e5-4fff-8336-9ad1d1955186/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f07fcf1-45e5-4fff-8336-9ad1d1955186/bin/ukojak-CwSLpZB5Qu --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 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:32,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:32,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:32,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:32,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:32,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:32,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:32,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:32,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:32,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:32,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:32,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:32,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:32,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:32,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:32,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:32,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:32,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:32,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:32,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:32,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:32,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:32,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:32,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:32,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:32,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:32,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:32,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:32,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:32,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:32,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:32,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:32,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:32,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:32,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:32,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:32,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:32,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:32,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:32,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:32,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:32,740 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f07fcf1-45e5-4fff-8336-9ad1d1955186/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2021-11-23 15:56:32,788 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:32,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:32,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:32,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:32,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:32,793 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:56:32,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:56:32,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:32,797 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:56:32,798 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:56:32,798 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:56:32,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:32,799 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:32,800 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:32,800 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:32,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:32,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:32,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:32,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:32,802 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:56:32,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:56:32,802 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_1f07fcf1-45e5-4fff-8336-9ad1d1955186/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f07fcf1-45e5-4fff-8336-9ad1d1955186/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ce5b36ec45142454df368b1219eecfd99c0ab690f893f50424ec8a6183a262e [2021-11-23 15:56:33,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:33,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:33,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:33,123 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:33,124 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:33,125 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f07fcf1-45e5-4fff-8336-9ad1d1955186/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2021-11-23 15:56:33,208 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f07fcf1-45e5-4fff-8336-9ad1d1955186/bin/ukojak-CwSLpZB5Qu/data/a8f646943/f51f905b54864ba5b3db2520afda2e86/FLAG2b8e7deca [2021-11-23 15:56:33,740 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:33,743 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f07fcf1-45e5-4fff-8336-9ad1d1955186/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2021-11-23 15:56:33,754 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f07fcf1-45e5-4fff-8336-9ad1d1955186/bin/ukojak-CwSLpZB5Qu/data/a8f646943/f51f905b54864ba5b3db2520afda2e86/FLAG2b8e7deca [2021-11-23 15:56:34,089 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f07fcf1-45e5-4fff-8336-9ad1d1955186/bin/ukojak-CwSLpZB5Qu/data/a8f646943/f51f905b54864ba5b3db2520afda2e86 [2021-11-23 15:56:34,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:34,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:34,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:34,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:34,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:34,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:34" (1/1) ... [2021-11-23 15:56:34,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636be3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:34, skipping insertion in model container [2021-11-23 15:56:34,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:34" (1/1) ... [2021-11-23 15:56:34,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:34,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:34,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:34,329 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:34,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:34,370 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:34,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:34 WrapperNode [2021-11-23 15:56:34,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:34,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:34,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:34,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:34,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:34" (1/1) ... [2021-11-23 15:56:34,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:34" (1/1) ... [2021-11-23 15:56:34,414 INFO L137 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2021-11-23 15:56:34,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:34,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:34,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:34,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:34,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:34" (1/1) ... [2021-11-23 15:56:34,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:34" (1/1) ... [2021-11-23 15:56:34,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:34" (1/1) ... [2021-11-23 15:56:34,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:34" (1/1) ... [2021-11-23 15:56:34,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:34" (1/1) ... [2021-11-23 15:56:34,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:34" (1/1) ... [2021-11-23 15:56:34,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:34" (1/1) ... [2021-11-23 15:56:34,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:34,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:34,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:34,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:34,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:34" (1/1) ... [2021-11-23 15:56:34,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:34,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f07fcf1-45e5-4fff-8336-9ad1d1955186/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:34,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f07fcf1-45e5-4fff-8336-9ad1d1955186/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:34,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f07fcf1-45e5-4fff-8336-9ad1d1955186/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:56:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:56:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:56:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:56:34,646 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:34,647 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:34,827 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:34,850 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:56:34,851 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 15:56:34,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:34 BoogieIcfgContainer [2021-11-23 15:56:34,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:56:34,857 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:56:34,857 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:56:34,874 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:56:34,874 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:34" (1/1) ... [2021-11-23 15:56:34,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:56:34,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:34,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2021-11-23 15:56:34,960 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2021-11-23 15:56:34,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 15:56:34,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:34,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:35,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:35,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:35,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2021-11-23 15:56:35,235 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2021-11-23 15:56:35,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 15:56:35,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:35,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:35,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:35,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:35,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2021-11-23 15:56:35,462 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-11-23 15:56:35,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 15:56:35,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:35,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:35,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:35,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:35,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2021-11-23 15:56:35,519 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2021-11-23 15:56:35,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 15:56:35,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:35,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:35,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:35,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:35,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-11-23 15:56:35,652 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-11-23 15:56:35,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 15:56:35,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:35,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:35,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:35,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:35,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2021-11-23 15:56:35,798 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2021-11-23 15:56:35,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 15:56:35,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:35,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:35,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:35,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:35,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2021-11-23 15:56:35,890 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2021-11-23 15:56:35,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 15:56:35,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:35,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:35,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:35,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:35,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2021-11-23 15:56:35,980 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2021-11-23 15:56:35,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:56:35,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:35,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:36,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:36,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:36,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2021-11-23 15:56:36,242 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2021-11-23 15:56:36,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:56:36,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:36,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:36,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:36,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:36,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2021-11-23 15:56:36,305 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2021-11-23 15:56:36,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:56:36,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:36,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:36,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:36,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:36,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2021-11-23 15:56:36,373 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2021-11-23 15:56:36,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:56:36,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:36,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:36,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:36,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:36,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2021-11-23 15:56:36,597 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2021-11-23 15:56:36,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:56:36,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:36,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:36,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:56:37,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:37,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2021-11-23 15:56:37,267 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2021-11-23 15:56:37,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:56:37,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:37,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:37,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 15:56:37,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:37,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2021-11-23 15:56:37,310 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2021-11-23 15:56:37,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:56:37,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:37,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:37,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 15:56:37,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:37,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2021-11-23 15:56:37,376 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-11-23 15:56:37,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:56:37,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:56:37,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:56:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:56:37,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 15:56:37,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:56:37,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-11-23 15:56:37,438 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-11-23 15:56:37,438 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 15:56:37,439 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2021-11-23 15:56:37,448 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2021-11-23 15:56:37,527 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2021-11-23 15:56:37,541 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 15:56:37,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:56:37 ImpRootNode [2021-11-23 15:56:37,544 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 15:56:37,545 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 15:56:37,545 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 15:56:37,545 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 15:56:37,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:34" (3/4) ... [2021-11-23 15:56:37,552 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 15:56:37,579 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-23 15:56:37,579 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 15:56:37,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 15:56:37,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 15:56:37,610 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 [2021-11-23 15:56:37,610 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2021-11-23 15:56:37,624 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f07fcf1-45e5-4fff-8336-9ad1d1955186/bin/ukojak-CwSLpZB5Qu/witness.graphml [2021-11-23 15:56:37,624 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 15:56:37,625 INFO L158 Benchmark]: Toolchain (without parser) took 3531.84ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 60.4MB in the beginning and 78.6MB in the end (delta: -18.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:37,625 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 94.4MB. Free memory was 64.7MB in the beginning and 64.7MB in the end (delta: 31.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:37,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.03ms. Allocated memory is still 94.4MB. Free memory was 60.2MB in the beginning and 70.9MB in the end (delta: -10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:56:37,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.74ms. Allocated memory is still 94.4MB. Free memory was 70.9MB in the beginning and 69.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:37,627 INFO L158 Benchmark]: Boogie Preprocessor took 49.89ms. Allocated memory is still 94.4MB. Free memory was 69.5MB in the beginning and 68.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:37,628 INFO L158 Benchmark]: RCFGBuilder took 389.30ms. Allocated memory is still 94.4MB. Free memory was 68.4MB in the beginning and 58.4MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:56:37,628 INFO L158 Benchmark]: CodeCheck took 2687.24ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 58.0MB in the beginning and 80.6MB in the end (delta: -22.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:37,629 INFO L158 Benchmark]: Witness Printer took 79.42ms. Allocated memory is still 113.2MB. Free memory was 80.6MB in the beginning and 78.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:37,632 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: 2.5s, 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, 425 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 391 mSDsluCounter, 365 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 301 mSDsCounter, 295 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 885 IncrementalHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 295 mSolverCounterUnsat, 64 mSDtfsCounter, 885 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 683 GetRequests, 609 SyntacticMatches, 14 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1421 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 362 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 6/6 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 := 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 0.37ms. Allocated memory is still 94.4MB. Free memory was 64.7MB in the beginning and 64.7MB in the end (delta: 31.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.03ms. Allocated memory is still 94.4MB. Free memory was 60.2MB in the beginning and 70.9MB in the end (delta: -10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.74ms. Allocated memory is still 94.4MB. Free memory was 70.9MB in the beginning and 69.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.89ms. Allocated memory is still 94.4MB. Free memory was 69.5MB in the beginning and 68.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 389.30ms. Allocated memory is still 94.4MB. Free memory was 68.4MB in the beginning and 58.4MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2687.24ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 58.0MB in the beginning and 80.6MB in the end (delta: -22.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 79.42ms. Allocated memory is still 113.2MB. Free memory was 80.6MB in the beginning and 78.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 15:56:37,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f07fcf1-45e5-4fff-8336-9ad1d1955186/bin/ukojak-CwSLpZB5Qu/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