./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ef4621-43b7-4d32-b357-bba1a4674406/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ef4621-43b7-4d32-b357-bba1a4674406/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ef4621-43b7-4d32-b357-bba1a4674406/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ef4621-43b7-4d32-b357-bba1a4674406/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ef4621-43b7-4d32-b357-bba1a4674406/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ef4621-43b7-4d32-b357-bba1a4674406/bin/ukojak-92XMlrwhuB --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 32bit --witnessprinter.graph.data.programhash 68fe5d136456ecb82ea00426715bf936d3e38ca581ddd26cec97e5010ad5777c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:00:50,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:50,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:51,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:51,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:51,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:51,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:51,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:51,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:51,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:51,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:51,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:51,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:51,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:51,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:51,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:51,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:51,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:51,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:51,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:51,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:51,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:51,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:51,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:51,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:51,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:51,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:51,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:51,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:51,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:51,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:51,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:51,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:51,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:51,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:51,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:51,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:51,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:51,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:51,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:51,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:51,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ef4621-43b7-4d32-b357-bba1a4674406/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 17:00:51,098 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:51,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:51,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:51,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:51,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:51,105 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:51,105 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:00:51,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:00:51,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:51,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:51,107 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:00:51,107 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:00:51,107 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 17:00:51,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:51,108 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:51,108 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:51,108 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:51,109 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:51,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:51,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:51,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:51,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:51,110 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:00:51,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:00:51,111 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_48ef4621-43b7-4d32-b357-bba1a4674406/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ef4621-43b7-4d32-b357-bba1a4674406/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68fe5d136456ecb82ea00426715bf936d3e38ca581ddd26cec97e5010ad5777c [2022-10-17 17:00:51,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:51,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:51,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:51,399 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:51,401 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:51,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ef4621-43b7-4d32-b357-bba1a4674406/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c [2022-10-17 17:00:51,466 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ef4621-43b7-4d32-b357-bba1a4674406/bin/ukojak-92XMlrwhuB/data/ca8a3c457/f0d44e9ccb1e449284c7b290a1613629/FLAGabf82e862 [2022-10-17 17:00:51,867 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:51,867 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ef4621-43b7-4d32-b357-bba1a4674406/sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c [2022-10-17 17:00:51,873 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ef4621-43b7-4d32-b357-bba1a4674406/bin/ukojak-92XMlrwhuB/data/ca8a3c457/f0d44e9ccb1e449284c7b290a1613629/FLAGabf82e862 [2022-10-17 17:00:52,272 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ef4621-43b7-4d32-b357-bba1a4674406/bin/ukojak-92XMlrwhuB/data/ca8a3c457/f0d44e9ccb1e449284c7b290a1613629 [2022-10-17 17:00:52,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:52,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:52,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:52,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:52,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:52,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61ca57e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52, skipping insertion in model container [2022-10-17 17:00:52,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:52,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:52,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:52,518 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:52,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:52,551 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:52,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52 WrapperNode [2022-10-17 17:00:52,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:52,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:52,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:52,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:52,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,590 INFO L138 Inliner]: procedures = 9, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2022-10-17 17:00:52,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:52,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:52,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:52,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:52,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,614 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:52,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:52,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:52,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:52,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:52,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ef4621-43b7-4d32-b357-bba1a4674406/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:52,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ef4621-43b7-4d32-b357-bba1a4674406/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:52,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ef4621-43b7-4d32-b357-bba1a4674406/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:52,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:00:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:00:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:00:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:00:52,771 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:52,773 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:52,932 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:52,960 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:52,960 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:00:52,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:52 BoogieIcfgContainer [2022-10-17 17:00:52,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:00:52,967 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:00:52,967 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:00:52,977 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:00:52,977 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:00:53,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:53,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2022-10-17 17:00:53,069 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2022-10-17 17:00:53,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:00:53,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:53,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:53,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:53,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:53,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2022-10-17 17:00:53,458 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2022-10-17 17:00:53,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:00:53,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:53,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:53,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:53,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:53,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-10-17 17:00:53,865 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-10-17 17:00:53,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:00:53,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:53,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:54,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:54,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:54,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2022-10-17 17:00:54,369 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2022-10-17 17:00:54,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:00:54,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:54,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:54,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:54,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:54,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-10-17 17:00:54,532 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-10-17 17:00:54,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:00:54,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:54,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:54,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:55,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:55,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2022-10-17 17:00:55,206 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2022-10-17 17:00:55,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:00:55,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:55,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:55,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:55,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:55,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 23 states and 41 transitions. [2022-10-17 17:00:55,511 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 41 transitions. [2022-10-17 17:00:55,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:00:55,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:55,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:00:55,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:55,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 43 transitions. [2022-10-17 17:00:55,953 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 43 transitions. [2022-10-17 17:00:55,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:00:55,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:55,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:56,224 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:56,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:56,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2022-10-17 17:00:56,817 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-10-17 17:00:56,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 17:00:56,818 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-10-17 17:00:56,826 INFO L754 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2022-10-17 17:00:56,868 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2022-10-17 17:00:56,881 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-10-17 17:00:56,881 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-10-17 17:00:56,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:00:56 ImpRootNode [2022-10-17 17:00:56,882 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:00:56,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:00:56,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:00:56,884 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:00:56,884 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:52" (3/4) ... [2022-10-17 17:00:56,887 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 17:00:56,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 17:00:56,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 17:00:56,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 17:00:56,898 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:00:56,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((i == 0 && \valid[numbers := 0] == \old(unknown-main_\old_#valid#1-unknown)) && unknown-#memory_int-unknown[numbers][i * 4 + numbers] == 0) && 10 == unknown-#length-unknown[numbers]) && 0 <= numbers) && \valid[numbers] == 1) && i * 4 + numbers <= 0 [2022-10-17 17:00:56,924 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \valid[numbers := 0] == \old(unknown-main_\old_#valid#1-unknown) [2022-10-17 17:00:56,924 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-10-17 17:00:56,944 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ef4621-43b7-4d32-b357-bba1a4674406/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:00:56,944 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:00:56,945 INFO L158 Benchmark]: Toolchain (without parser) took 4668.65ms. Allocated memory was 83.9MB in the beginning and 136.3MB in the end (delta: 52.4MB). Free memory was 44.4MB in the beginning and 91.3MB in the end (delta: -46.9MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2022-10-17 17:00:56,949 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 60.4MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:56,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.50ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 44.2MB in the beginning and 87.9MB in the end (delta: -43.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 17:00:56,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.61ms. Allocated memory is still 111.1MB. Free memory was 87.9MB in the beginning and 86.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:00:56,951 INFO L158 Benchmark]: Boogie Preprocessor took 26.19ms. Allocated memory is still 111.1MB. Free memory was 86.3MB in the beginning and 85.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:00:56,951 INFO L158 Benchmark]: RCFGBuilder took 347.94ms. Allocated memory is still 111.1MB. Free memory was 85.2MB in the beginning and 73.8MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 17:00:56,953 INFO L158 Benchmark]: CodeCheck took 3915.61ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 73.8MB in the beginning and 94.4MB in the end (delta: -20.6MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-10-17 17:00:56,954 INFO L158 Benchmark]: Witness Printer took 61.43ms. Allocated memory is still 136.3MB. Free memory was 94.4MB in the beginning and 91.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:00:56,958 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, 10 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 107 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 487 IncrementalHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 104 mSolverCounterUnsat, 28 mSDtfsCounter, 487 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 454 GetRequests, 392 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1284 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 12/15 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: (((((i == 0 && \valid[numbers := 0] == \old(unknown-main_\old_#valid#1-unknown)) && unknown-#memory_int-unknown[numbers][i * 4 + numbers] == 0) && 10 == unknown-#length-unknown[numbers]) && 0 <= numbers) && \valid[numbers] == 1) && i * 4 + numbers <= 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: \valid[numbers := 0] == \old(unknown-main_\old_#valid#1-unknown) - InvariantResult [Line: 12]: 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 0.61ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 60.4MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.50ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 44.2MB in the beginning and 87.9MB in the end (delta: -43.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.61ms. Allocated memory is still 111.1MB. Free memory was 87.9MB in the beginning and 86.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.19ms. Allocated memory is still 111.1MB. Free memory was 86.3MB in the beginning and 85.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 347.94ms. Allocated memory is still 111.1MB. Free memory was 85.2MB in the beginning and 73.8MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 3915.61ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 73.8MB in the beginning and 94.4MB in the end (delta: -20.6MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Witness Printer took 61.43ms. Allocated memory is still 136.3MB. Free memory was 94.4MB in the beginning and 91.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 17:00:57,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ef4621-43b7-4d32-b357-bba1a4674406/bin/ukojak-92XMlrwhuB/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