./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_52_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad4fa52-6bf4-462a-9c03-b20d317a3d81/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad4fa52-6bf4-462a-9c03-b20d317a3d81/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad4fa52-6bf4-462a-9c03-b20d317a3d81/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad4fa52-6bf4-462a-9c03-b20d317a3d81/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_52_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad4fa52-6bf4-462a-9c03-b20d317a3d81/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad4fa52-6bf4-462a-9c03-b20d317a3d81/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ebadcfda7e831c6dd90fe2fd7f271c95eabc24003172605bf0abdd90081ecb35 --- 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-b5237d8 [2022-11-21 21:59:53,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:59:53,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:59:53,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:59:53,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:59:53,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:59:53,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:59:53,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:59:53,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:59:53,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:59:53,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:59:53,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:59:53,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:59:53,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:59:53,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:59:53,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:59:53,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:59:53,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:59:53,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:59:53,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:59:53,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:59:53,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:59:53,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:59:53,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:59:53,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:59:53,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:59:53,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:59:53,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:59:53,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:59:53,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:59:53,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:59:53,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:59:53,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:59:53,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:59:53,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:59:53,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:59:53,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:59:53,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:59:53,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:59:53,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:59:53,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:59:53,977 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad4fa52-6bf4-462a-9c03-b20d317a3d81/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 21:59:54,000 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:59:54,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:59:54,001 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:59:54,001 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:59:54,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:59:54,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:59:54,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:59:54,003 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:59:54,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:59:54,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:59:54,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:59:54,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:59:54,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:59:54,005 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:59:54,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:59:54,005 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:59:54,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:59:54,006 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:59:54,006 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:59:54,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:59:54,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:59:54,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:59:54,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:59:54,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:59:54,008 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:59:54,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:59:54,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:59:54,009 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_fad4fa52-6bf4-462a-9c03-b20d317a3d81/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad4fa52-6bf4-462a-9c03-b20d317a3d81/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebadcfda7e831c6dd90fe2fd7f271c95eabc24003172605bf0abdd90081ecb35 [2022-11-21 21:59:54,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:59:54,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:59:54,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:59:54,334 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:59:54,334 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:59:54,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad4fa52-6bf4-462a-9c03-b20d317a3d81/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_52_good.i [2022-11-21 21:59:57,354 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:59:57,740 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:59:57,741 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad4fa52-6bf4-462a-9c03-b20d317a3d81/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_52_good.i [2022-11-21 21:59:57,766 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad4fa52-6bf4-462a-9c03-b20d317a3d81/bin/ukojak-jW3SillKbg/data/148ca9931/c476524306cc47fcb9ad1c4129d88e19/FLAGd173009a8 [2022-11-21 21:59:57,790 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad4fa52-6bf4-462a-9c03-b20d317a3d81/bin/ukojak-jW3SillKbg/data/148ca9931/c476524306cc47fcb9ad1c4129d88e19 [2022-11-21 21:59:57,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:59:57,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:59:57,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:59:57,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:59:57,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:59:57,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:59:57" (1/1) ... [2022-11-21 21:59:57,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c85dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:57, skipping insertion in model container [2022-11-21 21:59:57,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:59:57" (1/1) ... [2022-11-21 21:59:57,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:59:57,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:59:58,282 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:59:58,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:59:58,988 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:59:59,021 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:59:59,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:59:59,302 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:59:59,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59 WrapperNode [2022-11-21 21:59:59,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:59:59,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:59:59,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:59:59,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:59:59,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 21:59:59,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 21:59:59,373 INFO L138 Inliner]: procedures = 506, calls = 71, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 69 [2022-11-21 21:59:59,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:59:59,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:59:59,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:59:59,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:59:59,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 21:59:59,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 21:59:59,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 21:59:59,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 21:59:59,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 21:59:59,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 21:59:59,405 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 21:59:59,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 21:59:59,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:59:59,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:59:59,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:59:59,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:59:59,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 21:59:59,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:59:59,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad4fa52-6bf4-462a-9c03-b20d317a3d81/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:59:59,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad4fa52-6bf4-462a-9c03-b20d317a3d81/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:59:59,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad4fa52-6bf4-462a-9c03-b20d317a3d81/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:59:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 21:59:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 21:59:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 21:59:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 21:59:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 21:59:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 21:59:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 21:59:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:59:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:59:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:59:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 21:59:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 21:59:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 21:59:59,651 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:59:59,653 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:59:59,896 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:59:59,944 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:59:59,945 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 21:59:59,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:59:59 BoogieIcfgContainer [2022-11-21 21:59:59,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 21:59:59,948 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 21:59:59,948 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 21:59:59,958 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 21:59:59,959 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:59:59" (1/1) ... [2022-11-21 21:59:59,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:00:00,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:00,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2022-11-21 22:00:00,013 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-11-21 22:00:00,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 22:00:00,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:00,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:00,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:00,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:00,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-21 22:00:00,373 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-21 22:00:00,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:00:00,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:00,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:00,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:00,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:00,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-11-21 22:00:00,575 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-11-21 22:00:00,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:00:00,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:00,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:00,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:00,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:00,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-11-21 22:00:00,736 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-11-21 22:00:00,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:00:00,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:00,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:01,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:00:01,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:01,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2022-11-21 22:00:01,110 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-11-21 22:00:01,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:00:01,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:00:01,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:00:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:00:01,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:00:01,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:00:01,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 28 transitions. [2022-11-21 22:00:01,337 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-11-21 22:00:01,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:00:01,338 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-11-21 22:00:01,347 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 22:00:01,382 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:00:01,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:00:01 ImpRootNode [2022-11-21 22:00:01,388 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:00:01,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:00:01,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:00:01,390 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:00:01,392 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:59:59" (3/4) ... [2022-11-21 22:00:01,397 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:00:01,407 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 22:00:01,407 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 22:00:01,415 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-21 22:00:01,416 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-21 22:00:01,416 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 22:00:01,416 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:00:01,472 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad4fa52-6bf4-462a-9c03-b20d317a3d81/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:00:01,480 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:00:01,481 INFO L158 Benchmark]: Toolchain (without parser) took 3686.81ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 87.0MB in the beginning and 114.6MB in the end (delta: -27.6MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2022-11-21 22:00:01,482 INFO L158 Benchmark]: CDTParser took 1.56ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 105.1MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:00:01,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1506.69ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 87.0MB in the beginning and 137.4MB in the end (delta: -50.3MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2022-11-21 22:00:01,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.99ms. Allocated memory is still 195.0MB. Free memory was 137.4MB in the beginning and 134.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:00:01,483 INFO L158 Benchmark]: Boogie Preprocessor took 34.71ms. Allocated memory is still 195.0MB. Free memory was 134.2MB in the beginning and 132.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:00:01,484 INFO L158 Benchmark]: RCFGBuilder took 537.72ms. Allocated memory is still 195.0MB. Free memory was 132.1MB in the beginning and 116.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 22:00:01,484 INFO L158 Benchmark]: CodeCheck took 1439.84ms. Allocated memory is still 195.0MB. Free memory was 116.4MB in the beginning and 117.8MB in the end (delta: -1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:00:01,484 INFO L158 Benchmark]: Witness Printer took 91.07ms. Allocated memory is still 195.0MB. Free memory was 117.8MB in the beginning and 114.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:00:01,486 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 3 procedures, 27 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 165 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 82 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 76 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 434 GetRequests, 416 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 94 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 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: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1584]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.56ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 105.1MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1506.69ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 87.0MB in the beginning and 137.4MB in the end (delta: -50.3MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.99ms. Allocated memory is still 195.0MB. Free memory was 137.4MB in the beginning and 134.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.71ms. Allocated memory is still 195.0MB. Free memory was 134.2MB in the beginning and 132.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 537.72ms. Allocated memory is still 195.0MB. Free memory was 132.1MB in the beginning and 116.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1439.84ms. Allocated memory is still 195.0MB. Free memory was 116.4MB in the beginning and 117.8MB in the end (delta: -1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 91.07ms. Allocated memory is still 195.0MB. Free memory was 117.8MB in the beginning and 114.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:00:01,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad4fa52-6bf4-462a-9c03-b20d317a3d81/bin/ukojak-jW3SillKbg/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