./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_1c31134b-9a15-4e3d-b154-1e2675150c1f/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c31134b-9a15-4e3d-b154-1e2675150c1f/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c31134b-9a15-4e3d-b154-1e2675150c1f/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c31134b-9a15-4e3d-b154-1e2675150c1f/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c31134b-9a15-4e3d-b154-1e2675150c1f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c31134b-9a15-4e3d-b154-1e2675150c1f/bin/ukojak-pZX7IvK2PQ --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 b11bfb6752733e78d591457c9b0279a11f997cc80f6508959d8479efcd9d1828 --- 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-6b4ec56 [2022-11-20 16:38:12,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:38:12,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:38:12,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:38:12,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:38:12,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:38:12,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:38:12,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:38:12,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:38:12,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:38:12,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:38:12,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:38:12,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:38:12,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:38:12,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:38:12,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:38:12,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:38:12,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:38:12,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:38:12,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:38:12,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:38:12,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:38:12,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:38:12,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:38:12,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:38:12,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:38:12,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:38:12,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:38:12,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:38:12,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:38:12,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:38:12,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:38:12,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:38:12,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:38:12,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:38:12,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:38:12,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:38:12,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:38:12,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:38:12,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:38:12,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:38:12,844 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c31134b-9a15-4e3d-b154-1e2675150c1f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:38:12,869 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:38:12,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:38:12,870 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:38:12,870 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:38:12,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:38:12,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:38:12,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:38:12,871 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:38:12,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:38:12,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:38:12,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:38:12,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:38:12,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:38:12,872 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:38:12,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:38:12,873 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:38:12,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:38:12,873 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:38:12,873 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:38:12,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:38:12,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:38:12,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:38:12,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:38:12,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:38:12,878 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:38:12,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:38:12,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:38:12,879 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_1c31134b-9a15-4e3d-b154-1e2675150c1f/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c31134b-9a15-4e3d-b154-1e2675150c1f/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b11bfb6752733e78d591457c9b0279a11f997cc80f6508959d8479efcd9d1828 [2022-11-20 16:38:13,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:38:13,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:38:13,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:38:13,227 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:38:13,230 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:38:13,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c31134b-9a15-4e3d-b154-1e2675150c1f/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_good.i [2022-11-20 16:38:16,245 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:38:16,631 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:38:16,631 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c31134b-9a15-4e3d-b154-1e2675150c1f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_good.i [2022-11-20 16:38:16,660 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c31134b-9a15-4e3d-b154-1e2675150c1f/bin/ukojak-pZX7IvK2PQ/data/86d8cf9bf/3f2865e5da3744a7adfc759cf9f804c8/FLAGac80788d3 [2022-11-20 16:38:16,711 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c31134b-9a15-4e3d-b154-1e2675150c1f/bin/ukojak-pZX7IvK2PQ/data/86d8cf9bf/3f2865e5da3744a7adfc759cf9f804c8 [2022-11-20 16:38:16,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:38:16,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:38:16,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:38:16,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:38:16,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:38:16,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:38:16" (1/1) ... [2022-11-20 16:38:16,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14744aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:16, skipping insertion in model container [2022-11-20 16:38:16,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:38:16" (1/1) ... [2022-11-20 16:38:16,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:38:16,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:38:17,158 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:38:17,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:38:17,702 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:38:17,719 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:38:17,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:38:17,931 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:38:17,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:17 WrapperNode [2022-11-20 16:38:17,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:38:17,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:38:17,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:38:17,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:38:17,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:17" (1/1) ... [2022-11-20 16:38:17,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:17" (1/1) ... [2022-11-20 16:38:18,024 INFO L138 Inliner]: procedures = 505, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 74 [2022-11-20 16:38:18,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:38:18,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:38:18,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:38:18,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:38:18,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:17" (1/1) ... [2022-11-20 16:38:18,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:17" (1/1) ... [2022-11-20 16:38:18,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:17" (1/1) ... [2022-11-20 16:38:18,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:17" (1/1) ... [2022-11-20 16:38:18,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:17" (1/1) ... [2022-11-20 16:38:18,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:17" (1/1) ... [2022-11-20 16:38:18,073 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:17" (1/1) ... [2022-11-20 16:38:18,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:17" (1/1) ... [2022-11-20 16:38:18,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:38:18,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:38:18,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:38:18,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:38:18,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:17" (1/1) ... [2022-11-20 16:38:18,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:38:18,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c31134b-9a15-4e3d-b154-1e2675150c1f/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:38:18,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c31134b-9a15-4e3d-b154-1e2675150c1f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:38:18,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c31134b-9a15-4e3d-b154-1e2675150c1f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:38:18,201 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 16:38:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 16:38:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 16:38:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:38:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:38:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:38:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 16:38:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:38:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-20 16:38:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-20 16:38:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:38:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:38:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:38:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:38:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:38:18,352 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:38:18,354 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:38:18,582 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:38:18,613 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:38:18,613 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:38:18,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:38:18 BoogieIcfgContainer [2022-11-20 16:38:18,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:38:18,622 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:38:18,622 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:38:18,632 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:38:18,632 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:38:18" (1/1) ... [2022-11-20 16:38:18,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:38:18,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:38:18,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2022-11-20 16:38:18,701 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2022-11-20 16:38:18,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:38:18,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:38:18,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:38:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:38:19,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:38:19,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:38:19,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 41 states and 52 transitions. [2022-11-20 16:38:19,149 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2022-11-20 16:38:19,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:38:19,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:38:19,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:38:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:38:19,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:38:19,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:38:19,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 44 states and 55 transitions. [2022-11-20 16:38:19,417 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2022-11-20 16:38:19,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:38:19,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:38:19,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:38:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:38:19,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:38:19,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:38:19,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 45 states and 56 transitions. [2022-11-20 16:38:19,542 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2022-11-20 16:38:19,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:38:19,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:38:19,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:38:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:38:19,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:38:19,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:38:19,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 57 transitions. [2022-11-20 16:38:19,620 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2022-11-20 16:38:19,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:38:19,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:38:19,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:38:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:38:19,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:38:20,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:38:20,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 63 transitions. [2022-11-20 16:38:20,253 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2022-11-20 16:38:20,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 16:38:20,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:38:20,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:38:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:38:20,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:38:20,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:38:20,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 62 transitions. [2022-11-20 16:38:20,458 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2022-11-20 16:38:20,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:38:20,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:38:20,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:38:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:38:20,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:38:20,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:38:20,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 48 states and 61 transitions. [2022-11-20 16:38:20,726 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2022-11-20 16:38:20,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 16:38:20,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:38:20,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:38:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:38:20,969 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:38:21,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:38:21,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 55 transitions. [2022-11-20 16:38:21,938 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2022-11-20 16:38:21,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:38:21,939 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-20 16:38:21,947 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 16:38:22,064 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:38:22,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:38:22 ImpRootNode [2022-11-20 16:38:22,069 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:38:22,069 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:38:22,069 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:38:22,070 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:38:22,070 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:38:18" (3/4) ... [2022-11-20 16:38:22,073 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:38:22,084 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 16:38:22,085 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 16:38:22,086 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-20 16:38:22,090 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-20 16:38:22,092 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 16:38:22,093 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 16:38:22,093 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:38:22,136 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c31134b-9a15-4e3d-b154-1e2675150c1f/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:38:22,137 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:38:22,137 INFO L158 Benchmark]: Toolchain (without parser) took 5422.13ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 148.3MB in the beginning and 122.3MB in the end (delta: 26.0MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2022-11-20 16:38:22,138 INFO L158 Benchmark]: CDTParser took 1.53ms. Allocated memory is still 138.4MB. Free memory was 107.8MB in the beginning and 107.7MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:38:22,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1215.49ms. Allocated memory is still 178.3MB. Free memory was 148.1MB in the beginning and 86.9MB in the end (delta: 61.2MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2022-11-20 16:38:22,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.11ms. Allocated memory is still 178.3MB. Free memory was 86.9MB in the beginning and 84.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:38:22,139 INFO L158 Benchmark]: Boogie Preprocessor took 51.21ms. Allocated memory is still 178.3MB. Free memory was 84.0MB in the beginning and 145.5MB in the end (delta: -61.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2022-11-20 16:38:22,140 INFO L158 Benchmark]: RCFGBuilder took 543.88ms. Allocated memory is still 178.3MB. Free memory was 145.5MB in the beginning and 128.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 16:38:22,140 INFO L158 Benchmark]: CodeCheck took 3447.06ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 128.7MB in the beginning and 125.5MB in the end (delta: 3.2MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2022-11-20 16:38:22,141 INFO L158 Benchmark]: Witness Printer took 67.32ms. Allocated memory is still 213.9MB. Free memory was 125.5MB in the beginning and 122.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:38:22,144 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, 37 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 370 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 216 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 161 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 487 IncrementalHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 161 mSolverCounterUnsat, 178 mSDtfsCounter, 487 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1145 GetRequests, 1087 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 280 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 14/14 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: 1603]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1603]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: 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 1.53ms. Allocated memory is still 138.4MB. Free memory was 107.8MB in the beginning and 107.7MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1215.49ms. Allocated memory is still 178.3MB. Free memory was 148.1MB in the beginning and 86.9MB in the end (delta: 61.2MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.11ms. Allocated memory is still 178.3MB. Free memory was 86.9MB in the beginning and 84.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.21ms. Allocated memory is still 178.3MB. Free memory was 84.0MB in the beginning and 145.5MB in the end (delta: -61.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * RCFGBuilder took 543.88ms. Allocated memory is still 178.3MB. Free memory was 145.5MB in the beginning and 128.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3447.06ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 128.7MB in the beginning and 125.5MB in the end (delta: 3.2MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. * Witness Printer took 67.32ms. Allocated memory is still 213.9MB. Free memory was 125.5MB in the beginning and 122.3MB 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! [2022-11-20 16:38:22,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c31134b-9a15-4e3d-b154-1e2675150c1f/bin/ukojak-pZX7IvK2PQ/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