./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_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_55117542-5c75-4e70-8d78-1cc0a35c33c1/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55117542-5c75-4e70-8d78-1cc0a35c33c1/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_55117542-5c75-4e70-8d78-1cc0a35c33c1/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55117542-5c75-4e70-8d78-1cc0a35c33c1/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55117542-5c75-4e70-8d78-1cc0a35c33c1/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_55117542-5c75-4e70-8d78-1cc0a35c33c1/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 fb6f1be3a13abac556b91a0a20039ffd57d26fd4e1ffb1026522e652d56baf48 --- 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 16:54:25,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:54:25,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:54:25,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:54:25,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:54:25,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:54:25,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:54:25,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:54:25,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:54:25,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:54:25,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:54:25,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:54:25,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:54:25,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:54:25,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:54:25,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:54:25,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:54:25,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:54:25,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:54:25,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:54:25,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:54:25,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:54:25,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:54:25,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:54:25,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:54:25,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:54:25,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:54:25,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:54:25,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:54:25,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:54:25,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:54:25,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:54:25,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:54:25,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:54:25,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:54:25,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:54:25,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:54:25,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:54:25,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:54:25,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:54:25,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:54:25,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55117542-5c75-4e70-8d78-1cc0a35c33c1/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:54:25,971 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:54:25,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:54:25,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:54:25,973 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:54:25,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:54:25,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:54:25,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:54:25,975 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:54:25,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:54:25,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:54:25,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:54:25,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:54:25,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:54:25,977 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:54:25,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:54:25,977 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:54:25,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:54:25,977 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:54:25,977 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:54:25,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:54:25,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:54:25,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:54:25,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:54:25,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:54:25,979 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:54:25,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:54:25,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:54:25,979 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_55117542-5c75-4e70-8d78-1cc0a35c33c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55117542-5c75-4e70-8d78-1cc0a35c33c1/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb6f1be3a13abac556b91a0a20039ffd57d26fd4e1ffb1026522e652d56baf48 [2022-11-20 16:54:26,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:54:26,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:54:26,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:54:26,320 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:54:26,320 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:54:26,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55117542-5c75-4e70-8d78-1cc0a35c33c1/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_good.i [2022-11-20 16:54:29,395 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:54:29,783 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:54:29,784 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55117542-5c75-4e70-8d78-1cc0a35c33c1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_good.i [2022-11-20 16:54:29,803 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55117542-5c75-4e70-8d78-1cc0a35c33c1/bin/ukojak-pZX7IvK2PQ/data/8e00f77f1/fbb7bd7ad7bb4aa8ab1de4610be89a06/FLAG68b8c2c23 [2022-11-20 16:54:29,818 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55117542-5c75-4e70-8d78-1cc0a35c33c1/bin/ukojak-pZX7IvK2PQ/data/8e00f77f1/fbb7bd7ad7bb4aa8ab1de4610be89a06 [2022-11-20 16:54:29,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:54:29,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:54:29,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:54:29,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:54:29,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:54:29,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:54:29" (1/1) ... [2022-11-20 16:54:29,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64249fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:29, skipping insertion in model container [2022-11-20 16:54:29,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:54:29" (1/1) ... [2022-11-20 16:54:29,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:54:29,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:54:30,399 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:54:31,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:31,035 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:54:31,058 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:54:31,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:31,260 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:54:31,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:31 WrapperNode [2022-11-20 16:54:31,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:54:31,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:54:31,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:54:31,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:54:31,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:31" (1/1) ... [2022-11-20 16:54:31,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:31" (1/1) ... [2022-11-20 16:54:31,351 INFO L138 Inliner]: procedures = 505, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 72 [2022-11-20 16:54:31,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:54:31,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:54:31,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:54:31,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:54:31,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:31" (1/1) ... [2022-11-20 16:54:31,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:31" (1/1) ... [2022-11-20 16:54:31,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:31" (1/1) ... [2022-11-20 16:54:31,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:31" (1/1) ... [2022-11-20 16:54:31,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:31" (1/1) ... [2022-11-20 16:54:31,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:31" (1/1) ... [2022-11-20 16:54:31,399 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:31" (1/1) ... [2022-11-20 16:54:31,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:31" (1/1) ... [2022-11-20 16:54:31,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:54:31,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:54:31,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:54:31,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:54:31,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:31" (1/1) ... [2022-11-20 16:54:31,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:54:31,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55117542-5c75-4e70-8d78-1cc0a35c33c1/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:54:31,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55117542-5c75-4e70-8d78-1cc0a35c33c1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:54:31,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55117542-5c75-4e70-8d78-1cc0a35c33c1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:54:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 16:54:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 16:54:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 16:54:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:54:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:54:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:54:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 16:54:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:54:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-20 16:54:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-20 16:54:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:54:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:54:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:54:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:54:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:54:31,654 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:54:31,656 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:54:31,870 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:54:31,939 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:54:31,939 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:54:31,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:54:31 BoogieIcfgContainer [2022-11-20 16:54:31,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:54:31,943 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:54:31,943 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:54:31,953 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:54:31,956 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:54:31" (1/1) ... [2022-11-20 16:54:31,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:54:32,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:32,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2022-11-20 16:54:32,029 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-11-20 16:54:32,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:54:32,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:32,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:32,382 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 16:54:32,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:32,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 47 transitions. [2022-11-20 16:54:32,505 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-11-20 16:54:32,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:54:32,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:32,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:32,713 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 16:54:32,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:32,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 48 transitions. [2022-11-20 16:54:32,747 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2022-11-20 16:54:32,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:54:32,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:32,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:32,880 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 16:54:32,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:32,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2022-11-20 16:54:32,933 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2022-11-20 16:54:32,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:54:32,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:32,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:33,046 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 16:54:33,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:33,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 51 transitions. [2022-11-20 16:54:33,075 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2022-11-20 16:54:33,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 16:54:33,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:33,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:33,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:33,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:33,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 57 transitions. [2022-11-20 16:54:33,712 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2022-11-20 16:54:33,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:54:33,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:33,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:33,784 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 16:54:33,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:33,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 45 states and 56 transitions. [2022-11-20 16:54:33,901 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2022-11-20 16:54:33,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:54:33,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:33,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:34,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:34,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:34,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 65 transitions. [2022-11-20 16:54:34,995 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2022-11-20 16:54:34,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 16:54:34,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:34,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:35,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:54:36,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:36,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 53 transitions. [2022-11-20 16:54:36,369 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2022-11-20 16:54:36,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:54:36,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:36,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:36,450 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 16:54:36,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:36,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 52 transitions. [2022-11-20 16:54:36,474 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2022-11-20 16:54:36,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:54:36,482 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2022-11-20 16:54:36,492 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 16:54:36,611 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:54:36,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:54:36 ImpRootNode [2022-11-20 16:54:36,617 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:54:36,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:54:36,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:54:36,618 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:54:36,619 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:54:31" (3/4) ... [2022-11-20 16:54:36,622 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:54:36,629 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 16:54:36,629 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 16:54:36,630 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-20 16:54:36,638 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-20 16:54:36,638 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 16:54:36,638 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 16:54:36,639 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:54:36,701 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55117542-5c75-4e70-8d78-1cc0a35c33c1/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:54:36,702 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:54:36,703 INFO L158 Benchmark]: Toolchain (without parser) took 6876.30ms. Allocated memory is still 207.6MB. Free memory was 149.3MB in the beginning and 78.2MB in the end (delta: 71.1MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2022-11-20 16:54:36,704 INFO L158 Benchmark]: CDTParser took 1.18ms. Allocated memory is still 121.6MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:54:36,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1432.89ms. Allocated memory is still 207.6MB. Free memory was 148.7MB in the beginning and 86.4MB in the end (delta: 62.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-20 16:54:36,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.19ms. Allocated memory is still 207.6MB. Free memory was 86.4MB in the beginning and 83.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:54:36,705 INFO L158 Benchmark]: Boogie Preprocessor took 52.95ms. Allocated memory is still 207.6MB. Free memory was 83.5MB in the beginning and 81.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:54:36,706 INFO L158 Benchmark]: RCFGBuilder took 536.46ms. Allocated memory is still 207.6MB. Free memory was 81.6MB in the beginning and 175.8MB in the end (delta: -94.2MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2022-11-20 16:54:36,707 INFO L158 Benchmark]: CodeCheck took 4674.92ms. Allocated memory is still 207.6MB. Free memory was 175.8MB in the beginning and 81.4MB in the end (delta: 94.4MB). Peak memory consumption was 94.0MB. Max. memory is 16.1GB. [2022-11-20 16:54:36,707 INFO L158 Benchmark]: Witness Printer took 84.89ms. Allocated memory is still 207.6MB. Free memory was 81.4MB in the beginning and 78.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:54:36,710 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: 4.5s, 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, 1.3s 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, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1288 GetRequests, 1212 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1569 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s 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: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: 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: 1603]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18ms. Allocated memory is still 121.6MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1432.89ms. Allocated memory is still 207.6MB. Free memory was 148.7MB in the beginning and 86.4MB in the end (delta: 62.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.19ms. Allocated memory is still 207.6MB. Free memory was 86.4MB in the beginning and 83.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.95ms. Allocated memory is still 207.6MB. Free memory was 83.5MB in the beginning and 81.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.46ms. Allocated memory is still 207.6MB. Free memory was 81.6MB in the beginning and 175.8MB in the end (delta: -94.2MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * CodeCheck took 4674.92ms. Allocated memory is still 207.6MB. Free memory was 175.8MB in the beginning and 81.4MB in the end (delta: 94.4MB). Peak memory consumption was 94.0MB. Max. memory is 16.1GB. * Witness Printer took 84.89ms. Allocated memory is still 207.6MB. Free memory was 81.4MB in the beginning and 78.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:54:36,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55117542-5c75-4e70-8d78-1cc0a35c33c1/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