./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_22_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7945e49c-b43d-4560-b274-9454f8dc1ee3/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7945e49c-b43d-4560-b274-9454f8dc1ee3/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7945e49c-b43d-4560-b274-9454f8dc1ee3/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7945e49c-b43d-4560-b274-9454f8dc1ee3/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7945e49c-b43d-4560-b274-9454f8dc1ee3/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7945e49c-b43d-4560-b274-9454f8dc1ee3/bin/ukojak-rkRKPMF4O4 --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 03f60858934cb7a5b8876be8695f2a74c94924101ebe2704d88bc5536c223d7f --- 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-2329fc7 [2022-12-15 00:31:58,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:31:58,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:31:58,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:31:58,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:31:58,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:31:58,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:31:58,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:31:58,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:31:58,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:31:58,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:31:58,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:31:58,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:31:58,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:31:58,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:31:58,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:31:58,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:31:58,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:31:58,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:31:58,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:31:58,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:31:58,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:31:58,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:31:58,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:31:58,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:31:58,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:31:58,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:31:58,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:31:58,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:31:58,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:31:58,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:31:58,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:31:58,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:31:58,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:31:58,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:31:58,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:31:58,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:31:58,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:31:58,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:31:58,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:31:58,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:31:58,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7945e49c-b43d-4560-b274-9454f8dc1ee3/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 00:31:58,974 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:31:58,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:31:58,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:31:58,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:31:58,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:31:58,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:31:58,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:31:58,976 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:31:58,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:31:58,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:31:58,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:31:58,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:31:58,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:31:58,978 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:31:58,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:31:58,978 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:31:58,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:31:58,978 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:31:58,978 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:31:58,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:31:58,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:31:58,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:31:58,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:31:58,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:31:58,980 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:31:58,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:31:58,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:31:58,980 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_7945e49c-b43d-4560-b274-9454f8dc1ee3/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7945e49c-b43d-4560-b274-9454f8dc1ee3/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03f60858934cb7a5b8876be8695f2a74c94924101ebe2704d88bc5536c223d7f [2022-12-15 00:31:59,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:31:59,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:31:59,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:31:59,212 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:31:59,213 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:31:59,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7945e49c-b43d-4560-b274-9454f8dc1ee3/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_22_good.i [2022-12-15 00:32:01,801 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:32:02,050 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:32:02,051 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7945e49c-b43d-4560-b274-9454f8dc1ee3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_22_good.i [2022-12-15 00:32:02,066 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7945e49c-b43d-4560-b274-9454f8dc1ee3/bin/ukojak-rkRKPMF4O4/data/3f0951631/75bab91ea432402a868aec42412cb732/FLAG59993fc2e [2022-12-15 00:32:02,079 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7945e49c-b43d-4560-b274-9454f8dc1ee3/bin/ukojak-rkRKPMF4O4/data/3f0951631/75bab91ea432402a868aec42412cb732 [2022-12-15 00:32:02,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:32:02,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:32:02,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:32:02,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:32:02,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:32:02,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:32:02" (1/1) ... [2022-12-15 00:32:02,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ea7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:02, skipping insertion in model container [2022-12-15 00:32:02,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:32:02" (1/1) ... [2022-12-15 00:32:02,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:32:02,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:32:02,373 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 00:32:02,640 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 00:32:02,645 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:32:02,646 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:32:02,648 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:32:02,648 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:32:02,665 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 00:32:02,669 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 00:32:02,674 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 00:32:02,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:32:02,686 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:32:02,699 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 00:32:02,728 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 00:32:02,729 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:32:02,730 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:32:02,732 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:32:02,732 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:32:02,736 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 00:32:02,737 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 00:32:02,739 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 00:32:02,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:32:02,845 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:32:02,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:02 WrapperNode [2022-12-15 00:32:02,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:32:02,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:32:02,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:32:02,846 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:32:02,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:02" (1/1) ... [2022-12-15 00:32:02,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:02" (1/1) ... [2022-12-15 00:32:02,899 INFO L138 Inliner]: procedures = 506, calls = 84, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 107 [2022-12-15 00:32:02,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:32:02,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:32:02,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:32:02,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:32:02,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:02" (1/1) ... [2022-12-15 00:32:02,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:02" (1/1) ... [2022-12-15 00:32:02,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:02" (1/1) ... [2022-12-15 00:32:02,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:02" (1/1) ... [2022-12-15 00:32:02,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:02" (1/1) ... [2022-12-15 00:32:02,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:02" (1/1) ... [2022-12-15 00:32:02,921 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:02" (1/1) ... [2022-12-15 00:32:02,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:02" (1/1) ... [2022-12-15 00:32:02,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:32:02,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:32:02,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:32:02,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:32:02,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:02" (1/1) ... [2022-12-15 00:32:02,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:32:02,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7945e49c-b43d-4560-b274-9454f8dc1ee3/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:32:02,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7945e49c-b43d-4560-b274-9454f8dc1ee3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:32:02,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7945e49c-b43d-4560-b274-9454f8dc1ee3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:32:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 00:32:02,992 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 00:32:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-15 00:32:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 00:32:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 00:32:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:32:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-15 00:32:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:32:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:32:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:32:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 00:32:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 00:32:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:32:03,102 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:32:03,104 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:32:03,258 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:32:03,280 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:32:03,281 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 00:32:03,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:03 BoogieIcfgContainer [2022-12-15 00:32:03,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:32:03,283 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:32:03,283 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:32:03,290 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:32:03,290 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:03" (1/1) ... [2022-12-15 00:32:03,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:32:03,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:03,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2022-12-15 00:32:03,334 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2022-12-15 00:32:03,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:32:03,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:03,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:03,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:32:03,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:03,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2022-12-15 00:32:03,543 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2022-12-15 00:32:03,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:32:03,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:03,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:03,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:32:03,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:03,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2022-12-15 00:32:03,646 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2022-12-15 00:32:03,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:32:03,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:03,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:03,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:32:03,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:03,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2022-12-15 00:32:03,730 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2022-12-15 00:32:03,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 00:32:03,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:03,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:03,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:32:03,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:03,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2022-12-15 00:32:03,814 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2022-12-15 00:32:03,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 00:32:03,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:03,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:03,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:32:03,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:03,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 41 states and 57 transitions. [2022-12-15 00:32:03,921 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2022-12-15 00:32:03,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 00:32:03,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:03,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:04,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:32:04,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:04,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 55 transitions. [2022-12-15 00:32:04,028 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2022-12-15 00:32:04,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 00:32:04,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:04,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:04,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:32:04,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:04,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2022-12-15 00:32:04,095 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2022-12-15 00:32:04,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 00:32:04,096 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-12-15 00:32:04,101 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-12-15 00:32:04,131 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:32:04,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:32:04 ImpRootNode [2022-12-15 00:32:04,136 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:32:04,136 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:32:04,136 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:32:04,137 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:32:04,137 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:03" (3/4) ... [2022-12-15 00:32:04,140 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 00:32:04,145 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 00:32:04,146 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 00:32:04,150 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-15 00:32:04,150 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-15 00:32:04,151 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 00:32:04,151 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 00:32:04,151 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 00:32:04,188 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7945e49c-b43d-4560-b274-9454f8dc1ee3/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:32:04,188 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:32:04,189 INFO L158 Benchmark]: Toolchain (without parser) took 2106.06ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 90.2MB in the beginning and 53.8MB in the end (delta: 36.4MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2022-12-15 00:32:04,189 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 130.0MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:32:04,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 761.90ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 89.8MB in the beginning and 115.5MB in the end (delta: -25.7MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2022-12-15 00:32:04,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.19ms. Allocated memory is still 165.7MB. Free memory was 115.5MB in the beginning and 112.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:32:04,190 INFO L158 Benchmark]: Boogie Preprocessor took 25.88ms. Allocated memory is still 165.7MB. Free memory was 112.5MB in the beginning and 110.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:32:04,190 INFO L158 Benchmark]: RCFGBuilder took 356.32ms. Allocated memory is still 165.7MB. Free memory was 110.4MB in the beginning and 92.5MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 00:32:04,190 INFO L158 Benchmark]: CodeCheck took 852.55ms. Allocated memory is still 165.7MB. Free memory was 92.5MB in the beginning and 57.9MB in the end (delta: 34.5MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2022-12-15 00:32:04,190 INFO L158 Benchmark]: Witness Printer took 51.95ms. Allocated memory is still 165.7MB. Free memory was 57.9MB in the beginning and 53.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 00:32:04,191 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 433 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 234 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 251 IncrementalHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 230 mSDtfsCounter, 251 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 909 GetRequests, 893 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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: 1627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1661]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1661]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1609]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 130.0MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 761.90ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 89.8MB in the beginning and 115.5MB in the end (delta: -25.7MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.19ms. Allocated memory is still 165.7MB. Free memory was 115.5MB in the beginning and 112.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.88ms. Allocated memory is still 165.7MB. Free memory was 112.5MB in the beginning and 110.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.32ms. Allocated memory is still 165.7MB. Free memory was 110.4MB in the beginning and 92.5MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 852.55ms. Allocated memory is still 165.7MB. Free memory was 92.5MB in the beginning and 57.9MB in the end (delta: 34.5MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Witness Printer took 51.95ms. Allocated memory is still 165.7MB. Free memory was 57.9MB in the beginning and 53.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 00:32:04,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7945e49c-b43d-4560-b274-9454f8dc1ee3/bin/ukojak-rkRKPMF4O4/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