./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0e213e4881a4fb7a4a271c29da39e29e45ce4201f3fcd8c2e6b516fd3e1e71f0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 09:08:03,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:08:03,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:08:03,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:08:03,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:08:03,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:08:03,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:08:03,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:08:03,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:08:03,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:08:03,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:08:03,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:08:03,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:08:03,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:08:03,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:08:03,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:08:03,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:08:03,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:08:03,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:08:03,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:08:03,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:08:03,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:08:03,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:08:03,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:08:03,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:08:03,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:08:03,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:08:03,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:08:03,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:08:03,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:08:03,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:08:03,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:08:03,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:08:03,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:08:03,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:08:03,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:08:03,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:08:03,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:08:03,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:08:03,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:08:03,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:08:03,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-21 09:08:03,998 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:08:03,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:08:03,999 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:08:03,999 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:08:04,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:08:04,000 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:08:04,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:08:04,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:08:04,002 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:08:04,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:08:04,002 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 09:08:04,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:08:04,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:08:04,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:08:04,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:08:04,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:08:04,014 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 09:08:04,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:08:04,015 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:08:04,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:08:04,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:08:04,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:08:04,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:08:04,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:08:04,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:08:04,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:08:04,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:08:04,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:08:04,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 09:08:04,018 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:08:04,018 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:08:04,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:08:04,019 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_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e213e4881a4fb7a4a271c29da39e29e45ce4201f3fcd8c2e6b516fd3e1e71f0 [2022-11-21 09:08:04,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:08:04,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:08:04,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:08:04,394 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:08:04,394 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:08:04,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i [2022-11-21 09:08:07,633 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:08:08,086 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:08:08,087 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i [2022-11-21 09:08:08,110 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/data/8e60e14cb/3ac0c93f99bc4a7686abce352992d40a/FLAG97d158aef [2022-11-21 09:08:08,127 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/data/8e60e14cb/3ac0c93f99bc4a7686abce352992d40a [2022-11-21 09:08:08,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:08:08,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:08:08,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:08:08,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:08:08,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:08:08,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:08:08" (1/1) ... [2022-11-21 09:08:08,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a9f67ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:08, skipping insertion in model container [2022-11-21 09:08:08,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:08:08" (1/1) ... [2022-11-21 09:08:08,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:08:08,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:08:08,734 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 09:08:09,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:08:09,453 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:08:09,478 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 09:08:09,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:08:09,836 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:08:09,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:09 WrapperNode [2022-11-21 09:08:09,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:08:09,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:08:09,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:08:09,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:08:09,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:09" (1/1) ... [2022-11-21 09:08:09,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:09" (1/1) ... [2022-11-21 09:08:09,945 INFO L138 Inliner]: procedures = 501, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2022-11-21 09:08:09,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:08:09,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:08:09,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:08:09,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:08:09,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:09" (1/1) ... [2022-11-21 09:08:09,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:09" (1/1) ... [2022-11-21 09:08:09,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:09" (1/1) ... [2022-11-21 09:08:09,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:09" (1/1) ... [2022-11-21 09:08:09,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:09" (1/1) ... [2022-11-21 09:08:09,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:09" (1/1) ... [2022-11-21 09:08:09,996 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:09" (1/1) ... [2022-11-21 09:08:10,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:09" (1/1) ... [2022-11-21 09:08:10,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:08:10,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:08:10,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:08:10,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:08:10,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:09" (1/1) ... [2022-11-21 09:08:10,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:08:10,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:08:10,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:08:10,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:08:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 09:08:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 09:08:10,103 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 09:08:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 09:08:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 09:08:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:08:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:08:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:08:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 09:08:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 09:08:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 09:08:10,266 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:08:10,269 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:08:10,417 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:08:10,423 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:08:10,424 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 09:08:10,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:08:10 BoogieIcfgContainer [2022-11-21 09:08:10,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:08:10,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:08:10,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:08:10,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:08:10,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:08:08" (1/3) ... [2022-11-21 09:08:10,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a20de05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:08:10, skipping insertion in model container [2022-11-21 09:08:10,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:09" (2/3) ... [2022-11-21 09:08:10,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a20de05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:08:10, skipping insertion in model container [2022-11-21 09:08:10,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:08:10" (3/3) ... [2022-11-21 09:08:10,438 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_sub_45_bad.i [2022-11-21 09:08:10,478 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:08:10,479 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-21 09:08:10,590 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 09:08:10,602 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@55d1ee99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 09:08:10,603 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-21 09:08:10,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-21 09:08:10,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 09:08:10,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:08:10,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:08:10,620 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 09:08:10,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:08:10,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1073154618, now seen corresponding path program 1 times [2022-11-21 09:08:10,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:08:10,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585429021] [2022-11-21 09:08:10,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:08:10,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:08:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:08:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:11,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:08:11,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:08:11,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585429021] [2022-11-21 09:08:11,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585429021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:08:11,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:08:11,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:08:11,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042474530] [2022-11-21 09:08:11,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:08:11,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 09:08:11,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:08:11,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:08:11,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:08:11,309 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 09:08:11,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:08:11,363 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-11-21 09:08:11,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 09:08:11,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-21 09:08:11,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:08:11,375 INFO L225 Difference]: With dead ends: 23 [2022-11-21 09:08:11,375 INFO L226 Difference]: Without dead ends: 14 [2022-11-21 09:08:11,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:08:11,382 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 20 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:08:11,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 45 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:08:11,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-21 09:08:11,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-21 09:08:11,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 09:08:11,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2022-11-21 09:08:11,428 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2022-11-21 09:08:11,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:08:11,432 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-11-21 09:08:11,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 09:08:11,433 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-11-21 09:08:11,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 09:08:11,435 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:08:11,435 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:08:11,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 09:08:11,436 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 09:08:11,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:08:11,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1091945264, now seen corresponding path program 1 times [2022-11-21 09:08:11,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:08:11,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765524754] [2022-11-21 09:08:11,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:08:11,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:08:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:08:11,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:08:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:08:11,573 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:08:11,573 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 09:08:11,575 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-21 09:08:11,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-21 09:08:11,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 09:08:11,581 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-21 09:08:11,586 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 09:08:11,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:08:11 BoogieIcfgContainer [2022-11-21 09:08:11,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 09:08:11,622 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 09:08:11,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 09:08:11,623 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 09:08:11,623 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:08:10" (3/4) ... [2022-11-21 09:08:11,627 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 09:08:11,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 09:08:11,628 INFO L158 Benchmark]: Toolchain (without parser) took 3495.81ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 99.7MB in the beginning and 86.6MB in the end (delta: 13.1MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2022-11-21 09:08:11,628 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 144.7MB. Free memory was 114.3MB in the beginning and 114.2MB in the end (delta: 80.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:08:11,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1705.62ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 99.7MB in the beginning and 144.4MB in the end (delta: -44.6MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2022-11-21 09:08:11,630 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.89ms. Allocated memory is still 188.7MB. Free memory was 144.4MB in the beginning and 141.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 09:08:11,630 INFO L158 Benchmark]: Boogie Preprocessor took 55.29ms. Allocated memory is still 188.7MB. Free memory was 141.2MB in the beginning and 140.2MB in the end (delta: 977.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:08:11,631 INFO L158 Benchmark]: RCFGBuilder took 421.97ms. Allocated memory is still 188.7MB. Free memory was 140.2MB in the beginning and 126.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 09:08:11,632 INFO L158 Benchmark]: TraceAbstraction took 1191.97ms. Allocated memory is still 188.7MB. Free memory was 126.5MB in the beginning and 87.7MB in the end (delta: 38.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-21 09:08:11,632 INFO L158 Benchmark]: Witness Printer took 4.65ms. Allocated memory is still 188.7MB. Free memory was 87.7MB in the beginning and 86.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:08:11,635 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 144.7MB. Free memory was 114.3MB in the beginning and 114.2MB in the end (delta: 80.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1705.62ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 99.7MB in the beginning and 144.4MB in the end (delta: -44.6MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.89ms. Allocated memory is still 188.7MB. Free memory was 144.4MB in the beginning and 141.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.29ms. Allocated memory is still 188.7MB. Free memory was 141.2MB in the beginning and 140.2MB in the end (delta: 977.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 421.97ms. Allocated memory is still 188.7MB. Free memory was 140.2MB in the beginning and 126.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1191.97ms. Allocated memory is still 188.7MB. Free memory was 126.5MB in the beginning and 87.7MB in the end (delta: 38.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 4.65ms. Allocated memory is still 188.7MB. Free memory was 87.7MB in the beginning and 86.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_fgets_sub_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData; VAL [CWE191_Integer_Underflow__int_fgets_sub_45_badData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_sub_45_badData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [\old(argc)=1073741829, argc=1073741829, argv={1073741826:1073741830}, argv={1073741826:1073741830}, CWE191_Integer_Underflow__int_fgets_sub_45_badData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] CALL CWE191_Integer_Underflow__int_fgets_sub_45_bad() [L1561] int data; [L1562] data = 0 [L1564] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1565] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1567] data = atoi(inputBuffer) [L1564] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1574] CWE191_Integer_Underflow__int_fgets_sub_45_badData = data [L1575] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fgets_sub_45_badData; VAL [CWE191_Integer_Underflow__int_fgets_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData=0, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data - 1 VAL [CWE191_Integer_Underflow__int_fgets_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData=0, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 21 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 09:08:11,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0e213e4881a4fb7a4a271c29da39e29e45ce4201f3fcd8c2e6b516fd3e1e71f0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 09:08:14,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:08:14,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:08:14,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:08:14,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:08:14,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:08:14,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:08:14,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:08:14,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:08:14,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:08:14,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:08:14,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:08:14,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:08:14,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:08:14,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:08:14,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:08:14,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:08:14,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:08:14,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:08:14,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:08:14,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:08:14,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:08:14,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:08:14,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:08:14,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:08:14,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:08:14,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:08:14,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:08:14,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:08:14,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:08:14,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:08:14,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:08:14,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:08:14,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:08:14,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:08:14,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:08:14,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:08:14,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:08:14,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:08:14,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:08:14,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:08:14,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-21 09:08:14,220 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:08:14,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:08:14,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:08:14,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:08:14,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:08:14,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:08:14,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:08:14,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:08:14,224 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:08:14,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:08:14,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:08:14,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:08:14,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:08:14,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:08:14,225 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 09:08:14,226 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 09:08:14,226 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 09:08:14,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:08:14,227 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:08:14,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:08:14,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:08:14,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:08:14,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:08:14,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:08:14,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:08:14,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:08:14,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:08:14,229 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 09:08:14,230 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 09:08:14,230 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:08:14,230 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:08:14,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:08:14,238 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 09:08:14,238 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e213e4881a4fb7a4a271c29da39e29e45ce4201f3fcd8c2e6b516fd3e1e71f0 [2022-11-21 09:08:14,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:08:14,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:08:14,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:08:14,693 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:08:14,693 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:08:14,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i [2022-11-21 09:08:18,080 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:08:18,598 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:08:18,599 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i [2022-11-21 09:08:18,633 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/data/b98939019/2b21e6ed663b483e958a201dcf2ccd13/FLAGe24be9d48 [2022-11-21 09:08:18,655 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/data/b98939019/2b21e6ed663b483e958a201dcf2ccd13 [2022-11-21 09:08:18,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:08:18,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:08:18,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:08:18,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:08:18,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:08:18,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:08:18" (1/1) ... [2022-11-21 09:08:18,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106f5ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:18, skipping insertion in model container [2022-11-21 09:08:18,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:08:18" (1/1) ... [2022-11-21 09:08:18,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:08:18,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:08:19,233 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 09:08:19,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:08:19,859 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:08:19,891 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 09:08:19,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:08:20,195 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:08:20,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:20 WrapperNode [2022-11-21 09:08:20,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:08:20,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:08:20,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:08:20,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:08:20,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:20" (1/1) ... [2022-11-21 09:08:20,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:20" (1/1) ... [2022-11-21 09:08:20,259 INFO L138 Inliner]: procedures = 506, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 54 [2022-11-21 09:08:20,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:08:20,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:08:20,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:08:20,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:08:20,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:20" (1/1) ... [2022-11-21 09:08:20,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:20" (1/1) ... [2022-11-21 09:08:20,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:20" (1/1) ... [2022-11-21 09:08:20,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:20" (1/1) ... [2022-11-21 09:08:20,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:20" (1/1) ... [2022-11-21 09:08:20,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:20" (1/1) ... [2022-11-21 09:08:20,320 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:20" (1/1) ... [2022-11-21 09:08:20,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:20" (1/1) ... [2022-11-21 09:08:20,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:08:20,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:08:20,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:08:20,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:08:20,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:20" (1/1) ... [2022-11-21 09:08:20,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:08:20,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:08:20,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:08:20,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:08:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 09:08:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 09:08:20,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 09:08:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 09:08:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 09:08:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:08:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:08:20,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:08:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 09:08:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 09:08:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-21 09:08:20,669 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:08:20,671 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:08:20,921 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:08:20,938 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:08:20,939 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 09:08:20,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:08:20 BoogieIcfgContainer [2022-11-21 09:08:20,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:08:20,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:08:20,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:08:20,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:08:20,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:08:18" (1/3) ... [2022-11-21 09:08:20,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d8c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:08:20, skipping insertion in model container [2022-11-21 09:08:20,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:20" (2/3) ... [2022-11-21 09:08:20,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d8c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:08:20, skipping insertion in model container [2022-11-21 09:08:20,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:08:20" (3/3) ... [2022-11-21 09:08:20,958 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_sub_45_bad.i [2022-11-21 09:08:20,985 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:08:20,986 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-21 09:08:20,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d8c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:08:20, skipping insertion in model container [2022-11-21 09:08:20,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 09:08:20,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 09:08:20,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 09:08:20,990 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 09:08:20,991 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:08:20" (3/3) ... [2022-11-21 09:08:20,995 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 09:08:21,003 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 09:08:21,012 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-21 09:08:21,013 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 09:08:21,013 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 09:08:21,014 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 09:08:21,073 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 09:08:21,075 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 09:08:21,079 INFO L158 Benchmark]: Toolchain (without parser) took 2414.04ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 43.4MB in the beginning and 51.5MB in the end (delta: -8.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2022-11-21 09:08:21,083 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:08:21,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1532.22ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 43.3MB in the beginning and 48.1MB in the end (delta: -4.9MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2022-11-21 09:08:21,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.92ms. Allocated memory is still 94.4MB. Free memory was 48.1MB in the beginning and 45.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:08:21,085 INFO L158 Benchmark]: Boogie Preprocessor took 72.29ms. Allocated memory is still 94.4MB. Free memory was 45.1MB in the beginning and 43.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:08:21,085 INFO L158 Benchmark]: RCFGBuilder took 607.70ms. Allocated memory is still 94.4MB. Free memory was 43.0MB in the beginning and 57.3MB in the end (delta: -14.3MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-11-21 09:08:21,086 INFO L158 Benchmark]: TraceAbstraction took 44.57ms. Allocated memory is still 94.4MB. Free memory was 56.8MB in the beginning and 54.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:08:21,086 INFO L158 Benchmark]: Witness Printer took 86.20ms. Allocated memory is still 94.4MB. Free memory was 54.5MB in the beginning and 51.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 09:08:21,089 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1532.22ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 43.3MB in the beginning and 48.1MB in the end (delta: -4.9MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.92ms. Allocated memory is still 94.4MB. Free memory was 48.1MB in the beginning and 45.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.29ms. Allocated memory is still 94.4MB. Free memory was 45.1MB in the beginning and 43.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 607.70ms. Allocated memory is still 94.4MB. Free memory was 43.0MB in the beginning and 57.3MB in the end (delta: -14.3MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * TraceAbstraction took 44.57ms. Allocated memory is still 94.4MB. Free memory was 56.8MB in the beginning and 54.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 86.20ms. Allocated memory is still 94.4MB. Free memory was 54.5MB in the beginning and 51.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-21 09:08:21,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5269a0-b309-43a8-bb3f-7fc7c0168c39/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE