./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4de01f5-d19b-43a8-9c5c-e42b06c68246/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4de01f5-d19b-43a8-9c5c-e42b06c68246/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_d4de01f5-d19b-43a8-9c5c-e42b06c68246/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4de01f5-d19b-43a8-9c5c-e42b06c68246/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4de01f5-d19b-43a8-9c5c-e42b06c68246/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_d4de01f5-d19b-43a8-9c5c-e42b06c68246/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 7c3324437e341d7b098e9dbe6dd9e58a346a05f3c2760e7195364eab0a0f1d45 --- 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 23:30:06,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:30:06,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:30:06,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:30:06,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:30:06,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:30:06,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:30:06,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:30:06,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:30:06,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:30:06,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:30:06,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:30:06,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:30:06,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:30:06,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:30:06,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:30:06,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:30:06,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:30:06,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:30:06,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:30:06,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:30:06,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:30:06,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:30:06,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:30:06,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:30:06,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:30:06,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:30:06,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:30:06,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:30:06,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:30:06,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:30:06,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:30:06,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:30:06,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:30:06,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:30:06,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:30:06,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:30:06,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:30:06,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:30:06,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:30:06,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:30:06,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4de01f5-d19b-43a8-9c5c-e42b06c68246/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:30:06,773 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:30:06,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:30:06,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:30:06,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:30:06,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:30:06,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:30:06,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:30:06,776 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:30:06,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:30:06,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:30:06,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:30:06,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:30:06,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:30:06,777 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:30:06,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:30:06,777 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:30:06,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:30:06,778 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:30:06,778 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:30:06,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:30:06,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:30:06,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:30:06,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:30:06,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:30:06,780 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:30:06,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:30:06,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:30:06,780 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_d4de01f5-d19b-43a8-9c5c-e42b06c68246/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4de01f5-d19b-43a8-9c5c-e42b06c68246/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c3324437e341d7b098e9dbe6dd9e58a346a05f3c2760e7195364eab0a0f1d45 [2022-11-21 23:30:07,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:30:07,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:30:07,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:30:07,067 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:30:07,067 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:30:07,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4de01f5-d19b-43a8-9c5c-e42b06c68246/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_good.i [2022-11-21 23:30:10,024 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:30:10,474 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:30:10,475 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4de01f5-d19b-43a8-9c5c-e42b06c68246/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_good.i [2022-11-21 23:30:10,493 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4de01f5-d19b-43a8-9c5c-e42b06c68246/bin/ukojak-jW3SillKbg/data/f08f6850a/e29d948a6c56438ca05b081be0a8bffa/FLAGb47f1a9de [2022-11-21 23:30:10,515 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4de01f5-d19b-43a8-9c5c-e42b06c68246/bin/ukojak-jW3SillKbg/data/f08f6850a/e29d948a6c56438ca05b081be0a8bffa [2022-11-21 23:30:10,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:30:10,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:30:10,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:30:10,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:30:10,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:30:10,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:30:10" (1/1) ... [2022-11-21 23:30:10,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ff8eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:10, skipping insertion in model container [2022-11-21 23:30:10,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:30:10" (1/1) ... [2022-11-21 23:30:10,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:30:10,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:30:10,988 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:30:11,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:30:11,537 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:30:11,575 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:30:11,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:30:11,800 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:30:11,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:11 WrapperNode [2022-11-21 23:30:11,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:30:11,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:30:11,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:30:11,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:30:11,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:11" (1/1) ... [2022-11-21 23:30:11,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:11" (1/1) ... [2022-11-21 23:30:11,889 INFO L138 Inliner]: procedures = 505, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 72 [2022-11-21 23:30:11,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:30:11,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:30:11,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:30:11,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:30:11,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:11" (1/1) ... [2022-11-21 23:30:11,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:11" (1/1) ... [2022-11-21 23:30:11,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:11" (1/1) ... [2022-11-21 23:30:11,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:11" (1/1) ... [2022-11-21 23:30:11,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:11" (1/1) ... [2022-11-21 23:30:11,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:11" (1/1) ... [2022-11-21 23:30:11,913 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:11" (1/1) ... [2022-11-21 23:30:11,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:11" (1/1) ... [2022-11-21 23:30:11,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:30:11,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:30:11,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:30:11,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:30:11,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:11" (1/1) ... [2022-11-21 23:30:11,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:30:11,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4de01f5-d19b-43a8-9c5c-e42b06c68246/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:30:11,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4de01f5-d19b-43a8-9c5c-e42b06c68246/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:30:11,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4de01f5-d19b-43a8-9c5c-e42b06c68246/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:30:12,007 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:30:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:30:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 23:30:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:30:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:30:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:30:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 23:30:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:30:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-21 23:30:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-21 23:30:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:30:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:30:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:30:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:30:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:30:12,260 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:30:12,263 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:30:12,520 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:30:12,573 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:30:12,573 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:30:12,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:30:12 BoogieIcfgContainer [2022-11-21 23:30:12,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:30:12,588 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:30:12,588 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:30:12,599 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:30:12,599 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:30:12" (1/1) ... [2022-11-21 23:30:12,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:30:12,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:12,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2022-11-21 23:30:12,686 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-11-21 23:30:12,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:30:12,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:12,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:13,144 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 23:30:13,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:13,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 47 transitions. [2022-11-21 23:30:13,275 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-11-21 23:30:13,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:30:13,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:13,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:13,418 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 23:30:13,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:13,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 48 transitions. [2022-11-21 23:30:13,435 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2022-11-21 23:30:13,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:30:13,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:13,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:13,568 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 23:30:13,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:13,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2022-11-21 23:30:13,611 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2022-11-21 23:30:13,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:30:13,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:13,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:13,721 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 23:30:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:13,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 51 transitions. [2022-11-21 23:30:13,754 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2022-11-21 23:30:13,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:30:13,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:13,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:14,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:14,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:14,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 57 transitions. [2022-11-21 23:30:14,441 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2022-11-21 23:30:14,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:30:14,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:14,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:14,536 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 23:30:14,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:14,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 45 states and 56 transitions. [2022-11-21 23:30:14,630 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2022-11-21 23:30:14,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:30:14,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:14,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:14,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:15,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:15,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 65 transitions. [2022-11-21 23:30:15,736 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2022-11-21 23:30:15,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:30:15,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:15,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:15,993 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:30:17,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:17,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 53 transitions. [2022-11-21 23:30:17,241 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2022-11-21 23:30:17,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:30:17,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:17,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:17,341 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:30:17,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:17,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 52 transitions. [2022-11-21 23:30:17,364 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2022-11-21 23:30:17,370 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:30:17,371 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2022-11-21 23:30:17,384 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 23:30:17,545 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:30:17,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:30:17 ImpRootNode [2022-11-21 23:30:17,549 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:30:17,550 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:30:17,550 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:30:17,550 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:30:17,551 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:30:12" (3/4) ... [2022-11-21 23:30:17,554 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:30:17,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:30:17,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:30:17,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-21 23:30:17,562 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-21 23:30:17,563 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-21 23:30:17,563 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 23:30:17,563 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:30:17,607 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4de01f5-d19b-43a8-9c5c-e42b06c68246/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:30:17,607 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:30:17,608 INFO L158 Benchmark]: Toolchain (without parser) took 7085.88ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 169.0MB in the beginning and 204.1MB in the end (delta: -35.1MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2022-11-21 23:30:17,608 INFO L158 Benchmark]: CDTParser took 1.44ms. Allocated memory is still 146.8MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:30:17,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1274.37ms. Allocated memory is still 205.5MB. Free memory was 169.0MB in the beginning and 106.1MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-21 23:30:17,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.57ms. Allocated memory is still 205.5MB. Free memory was 106.1MB in the beginning and 103.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:30:17,610 INFO L158 Benchmark]: Boogie Preprocessor took 26.11ms. Allocated memory is still 205.5MB. Free memory was 103.2MB in the beginning and 101.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:30:17,610 INFO L158 Benchmark]: RCFGBuilder took 670.59ms. Allocated memory is still 205.5MB. Free memory was 101.2MB in the beginning and 162.7MB in the end (delta: -61.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:30:17,611 INFO L158 Benchmark]: CodeCheck took 4961.17ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 162.7MB in the beginning and 207.0MB in the end (delta: -44.3MB). Peak memory consumption was 105.5MB. Max. memory is 16.1GB. [2022-11-21 23:30:17,611 INFO L158 Benchmark]: Witness Printer took 57.24ms. Allocated memory is still 247.5MB. Free memory was 207.0MB in the beginning and 204.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:30:17,614 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 4 procedures, 35 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 427 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 100 mSDsluCounter, 288 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 68 mSDsCounter, 206 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 557 IncrementalHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 206 mSolverCounterUnsat, 220 mSDtfsCounter, 557 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1288 GetRequests, 1212 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1569 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 18/18 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: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: 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: 1586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44ms. Allocated memory is still 146.8MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1274.37ms. Allocated memory is still 205.5MB. Free memory was 169.0MB in the beginning and 106.1MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.57ms. Allocated memory is still 205.5MB. Free memory was 106.1MB in the beginning and 103.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.11ms. Allocated memory is still 205.5MB. Free memory was 103.2MB in the beginning and 101.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 670.59ms. Allocated memory is still 205.5MB. Free memory was 101.2MB in the beginning and 162.7MB in the end (delta: -61.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 4961.17ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 162.7MB in the beginning and 207.0MB in the end (delta: -44.3MB). Peak memory consumption was 105.5MB. Max. memory is 16.1GB. * Witness Printer took 57.24ms. Allocated memory is still 247.5MB. Free memory was 207.0MB in the beginning and 204.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:30:17,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4de01f5-d19b-43a8-9c5c-e42b06c68246/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