./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_22_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 569389b75efaacf04f7709ba3ff4854202f000a6e6c725ec82714ee6487a1f5e --- 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-4e7fbc6 [2022-11-23 14:24:26,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:24:26,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:24:26,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:24:26,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:24:26,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:24:26,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:24:26,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:24:26,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:24:26,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:24:26,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:24:26,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:24:26,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:24:26,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:24:26,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:24:26,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:24:26,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:24:26,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:24:26,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:24:26,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:24:26,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:24:26,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:24:26,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:24:26,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:24:26,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:24:26,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:24:26,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:24:26,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:24:26,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:24:26,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:24:26,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:24:26,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:24:26,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:24:26,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:24:26,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:24:26,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:24:26,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:24:26,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:24:26,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:24:26,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:24:26,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:24:26,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 14:24:26,145 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:24:26,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:24:26,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:24:26,146 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:24:26,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:24:26,147 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:24:26,147 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:24:26,147 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:24:26,147 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:24:26,148 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:24:26,148 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:24:26,148 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:24:26,148 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:24:26,149 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:24:26,149 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:24:26,149 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:24:26,149 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:24:26,150 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:24:26,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:24:26,151 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:24:26,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:24:26,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:24:26,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:24:26,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:24:26,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:24:26,152 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:24:26,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:24:26,152 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:24:26,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:24:26,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:24:26,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:24:26,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:24:26,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:24:26,153 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:24:26,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:24:26,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:24:26,154 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:24:26,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:24:26,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:24:26,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:24:26,155 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_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 569389b75efaacf04f7709ba3ff4854202f000a6e6c725ec82714ee6487a1f5e [2022-11-23 14:24:26,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:24:26,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:24:26,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:24:26,525 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:24:26,530 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:24:26,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_22_bad.i [2022-11-23 14:24:29,611 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:24:30,020 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:24:30,020 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_22_bad.i [2022-11-23 14:24:30,052 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/data/4133514f8/300dce79d18d44ddbc328509fe45ddb2/FLAG428209bf2 [2022-11-23 14:24:30,069 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/data/4133514f8/300dce79d18d44ddbc328509fe45ddb2 [2022-11-23 14:24:30,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:24:30,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:24:30,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:24:30,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:24:30,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:24:30,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:24:30" (1/1) ... [2022-11-23 14:24:30,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@778367e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:30, skipping insertion in model container [2022-11-23 14:24:30,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:24:30" (1/1) ... [2022-11-23 14:24:30,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:24:30,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:24:30,630 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 14:24:31,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:24:31,651 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:24:31,668 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 14:24:31,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:24:31,951 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:24:31,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31 WrapperNode [2022-11-23 14:24:31,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:24:31,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:24:31,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:24:31,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:24:31,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2022-11-23 14:24:31,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2022-11-23 14:24:32,013 INFO L138 Inliner]: procedures = 939, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2022-11-23 14:24:32,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:24:32,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:24:32,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:24:32,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:24:32,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2022-11-23 14:24:32,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2022-11-23 14:24:32,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2022-11-23 14:24:32,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2022-11-23 14:24:32,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2022-11-23 14:24:32,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2022-11-23 14:24:32,037 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2022-11-23 14:24:32,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2022-11-23 14:24:32,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:24:32,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:24:32,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:24:32,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:24:32,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2022-11-23 14:24:32,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:24:32,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:24:32,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:24:32,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:24:32,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:24:32,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:24:32,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:24:32,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:24:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 14:24:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-23 14:24:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 14:24:32,127 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 14:24:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:24:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 14:24:32,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:24:32,275 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:24:32,277 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:24:32,461 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:24:32,496 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:24:32,496 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:24:32,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:24:32 BoogieIcfgContainer [2022-11-23 14:24:32,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:24:32,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:24:32,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:24:32,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:24:32,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:24:30" (1/3) ... [2022-11-23 14:24:32,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526b4e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:24:32, skipping insertion in model container [2022-11-23 14:24:32,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (2/3) ... [2022-11-23 14:24:32,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526b4e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:24:32, skipping insertion in model container [2022-11-23 14:24:32,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:24:32" (3/3) ... [2022-11-23 14:24:32,508 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_22_bad.i [2022-11-23 14:24:32,527 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:24:32,527 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 14:24:32,577 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:24:32,584 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=FINITE_AUTOMATA, 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;@1421014c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:24:32,584 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 14:24:32,588 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 10 states have (on average 1.4) internal successors, (14), 13 states have internal predecessors, (14), 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) [2022-11-23 14:24:32,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 14:24:32,596 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:24:32,597 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:24:32,598 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 14:24:32,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:24:32,604 INFO L85 PathProgramCache]: Analyzing trace with hash -39611802, now seen corresponding path program 1 times [2022-11-23 14:24:32,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:24:32,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132814583] [2022-11-23 14:24:32,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:24:32,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:24:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:24:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:24:32,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:24:32,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132814583] [2022-11-23 14:24:32,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132814583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:24:32,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:24:32,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 14:24:32,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349463198] [2022-11-23 14:24:32,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:24:32,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 14:24:32,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:24:32,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 14:24:32,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:24:32,908 INFO L87 Difference]: Start difference. First operand has 17 states, 10 states have (on average 1.4) internal successors, (14), 13 states have internal predecessors, (14), 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 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-11-23 14:24:32,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:24:32,938 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2022-11-23 14:24:32,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 14:24:32,941 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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 9 [2022-11-23 14:24:32,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:24:32,955 INFO L225 Difference]: With dead ends: 17 [2022-11-23 14:24:32,956 INFO L226 Difference]: Without dead ends: 12 [2022-11-23 14:24:32,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:24:32,969 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:24:32,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:24:32,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-11-23 14:24:33,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-11-23 14:24:33,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.125) internal successors, (9), 9 states have internal predecessors, (9), 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) [2022-11-23 14:24:33,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2022-11-23 14:24:33,015 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 9 [2022-11-23 14:24:33,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:24:33,017 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2022-11-23 14:24:33,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-11-23 14:24:33,017 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-11-23 14:24:33,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 14:24:33,019 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:24:33,019 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:24:33,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:24:33,020 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 14:24:33,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:24:33,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1227965805, now seen corresponding path program 1 times [2022-11-23 14:24:33,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:24:33,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815498789] [2022-11-23 14:24:33,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:24:33,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:24:33,060 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:24:33,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1003237726] [2022-11-23 14:24:33,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:24:33,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:24:33,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:24:33,065 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:24:33,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:24:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:24:33,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 14:24:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:24:33,286 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 14:24:33,287 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 14:24:33,289 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 14:24:33,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 14:24:33,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:24:33,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:24:33,502 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 14:24:33,506 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:24:33,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:24:33 BoogieIcfgContainer [2022-11-23 14:24:33,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:24:33,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:24:33,552 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:24:33,552 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:24:33,553 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:24:32" (3/4) ... [2022-11-23 14:24:33,561 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 14:24:33,561 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:24:33,564 INFO L158 Benchmark]: Toolchain (without parser) took 3487.06ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 117.6MB in the beginning and 133.7MB in the end (delta: -16.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2022-11-23 14:24:33,570 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:24:33,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1872.38ms. Allocated memory is still 161.5MB. Free memory was 117.6MB in the beginning and 85.6MB in the end (delta: 32.0MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. [2022-11-23 14:24:33,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.15ms. Allocated memory is still 161.5MB. Free memory was 85.6MB in the beginning and 82.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 14:24:33,574 INFO L158 Benchmark]: Boogie Preprocessor took 26.57ms. Allocated memory is still 161.5MB. Free memory was 82.0MB in the beginning and 80.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:24:33,581 INFO L158 Benchmark]: RCFGBuilder took 457.40ms. Allocated memory is still 161.5MB. Free memory was 80.0MB in the beginning and 65.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 14:24:33,581 INFO L158 Benchmark]: TraceAbstraction took 1050.32ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 64.6MB in the beginning and 134.8MB in the end (delta: -70.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:24:33,582 INFO L158 Benchmark]: Witness Printer took 9.45ms. Allocated memory is still 195.0MB. Free memory was 134.8MB in the beginning and 133.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:24:33,584 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1872.38ms. Allocated memory is still 161.5MB. Free memory was 117.6MB in the beginning and 85.6MB in the end (delta: 32.0MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.15ms. Allocated memory is still 161.5MB. Free memory was 85.6MB in the beginning and 82.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.57ms. Allocated memory is still 161.5MB. Free memory was 82.0MB in the beginning and 80.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 457.40ms. Allocated memory is still 161.5MB. Free memory was 80.0MB in the beginning and 65.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1050.32ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 64.6MB in the beginning and 134.8MB in the end (delta: -70.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.45ms. Allocated memory is still 195.0MB. Free memory was 134.8MB in the beginning and 133.7MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1866]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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] int CWE190_Integer_Overflow__int_fgets_square_22_badGlobal = 0; [L1571] CALL printLine("Calling bad()...") VAL [#in~line={4:0}, CWE190_Integer_Overflow__int_fgets_square_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [#in~argv={27:26}, argc=28, argv={27:26}, CWE190_Integer_Overflow__int_fgets_square_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~argc-unknown=28] [L1572] CALL CWE190_Integer_Overflow__int_fgets_square_22_bad() [L1552] int data; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1565] CWE190_Integer_Overflow__int_fgets_square_22_badGlobal = 1 [L1566] CALL CWE190_Integer_Overflow__int_fgets_square_22_badSink(data) [L1863] COND TRUE \read(CWE190_Integer_Overflow__int_fgets_square_22_badGlobal) VAL [CWE190_Integer_Overflow__int_fgets_square_22_badGlobal=1, data=496574418, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~data-unknown=496574418] [L1866] data * data VAL [CWE190_Integer_Overflow__int_fgets_square_22_badGlobal=1, data=496574418, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~data-unknown=496574418] - UnprovableResult [Line: 1866]: 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 14 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 [2022-11-23 14:24:33,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/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_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 569389b75efaacf04f7709ba3ff4854202f000a6e6c725ec82714ee6487a1f5e --- 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-4e7fbc6 [2022-11-23 14:24:36,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:24:36,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:24:36,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:24:36,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:24:36,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:24:36,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:24:36,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:24:36,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:24:36,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:24:36,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:24:36,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:24:36,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:24:36,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:24:36,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:24:36,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:24:36,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:24:36,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:24:36,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:24:36,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:24:36,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:24:36,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:24:36,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:24:36,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:24:36,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:24:36,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:24:36,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:24:36,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:24:36,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:24:36,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:24:36,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:24:36,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:24:36,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:24:36,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:24:36,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:24:36,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:24:36,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:24:36,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:24:36,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:24:36,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:24:36,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:24:36,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-23 14:24:36,314 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:24:36,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:24:36,316 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:24:36,316 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:24:36,317 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:24:36,317 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:24:36,318 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:24:36,318 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:24:36,318 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:24:36,319 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:24:36,320 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:24:36,320 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:24:36,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:24:36,321 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:24:36,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:24:36,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:24:36,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:24:36,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:24:36,323 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:24:36,323 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 14:24:36,323 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:24:36,324 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 14:24:36,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:24:36,324 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:24:36,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:24:36,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:24:36,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 14:24:36,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:24:36,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:24:36,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:24:36,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:24:36,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:24:36,327 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 14:24:36,328 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 14:24:36,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:24:36,328 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:24:36,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 14:24:36,329 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_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 569389b75efaacf04f7709ba3ff4854202f000a6e6c725ec82714ee6487a1f5e [2022-11-23 14:24:36,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:24:36,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:24:36,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:24:36,744 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:24:36,745 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:24:36,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_22_bad.i [2022-11-23 14:24:40,025 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:24:40,480 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:24:40,481 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_22_bad.i [2022-11-23 14:24:40,509 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/data/bc7216de3/e7cfa398c3bb4e809d5a69f8f1758ba1/FLAG008203de3 [2022-11-23 14:24:40,528 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/data/bc7216de3/e7cfa398c3bb4e809d5a69f8f1758ba1 [2022-11-23 14:24:40,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:24:40,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:24:40,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:24:40,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:24:40,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:24:40,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:24:40" (1/1) ... [2022-11-23 14:24:40,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f42172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:40, skipping insertion in model container [2022-11-23 14:24:40,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:24:40" (1/1) ... [2022-11-23 14:24:40,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:24:40,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:24:41,131 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 14:24:42,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:24:42,610 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:24:42,628 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 14:24:42,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:24:42,928 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:24:42,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:42 WrapperNode [2022-11-23 14:24:42,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:24:42,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:24:42,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:24:42,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:24:42,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:42" (1/1) ... [2022-11-23 14:24:42,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:42" (1/1) ... [2022-11-23 14:24:42,995 INFO L138 Inliner]: procedures = 944, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 55 [2022-11-23 14:24:42,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:24:42,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:24:42,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:24:42,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:24:43,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:42" (1/1) ... [2022-11-23 14:24:43,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:42" (1/1) ... [2022-11-23 14:24:43,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:42" (1/1) ... [2022-11-23 14:24:43,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:42" (1/1) ... [2022-11-23 14:24:43,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:42" (1/1) ... [2022-11-23 14:24:43,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:42" (1/1) ... [2022-11-23 14:24:43,042 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:42" (1/1) ... [2022-11-23 14:24:43,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:42" (1/1) ... [2022-11-23 14:24:43,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:24:43,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:24:43,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:24:43,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:24:43,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:42" (1/1) ... [2022-11-23 14:24:43,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:24:43,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:24:43,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:24:43,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:24:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:24:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:24:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:24:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:24:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 14:24:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-23 14:24:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-23 14:24:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 14:24:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 14:24:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:24:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 14:24:43,312 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:24:43,314 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:24:44,217 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:24:44,224 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:24:44,225 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:24:44,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:24:44 BoogieIcfgContainer [2022-11-23 14:24:44,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:24:44,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:24:44,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:24:44,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:24:44,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:24:40" (1/3) ... [2022-11-23 14:24:44,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e0fb77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:24:44, skipping insertion in model container [2022-11-23 14:24:44,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:42" (2/3) ... [2022-11-23 14:24:44,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e0fb77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:24:44, skipping insertion in model container [2022-11-23 14:24:44,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:24:44" (3/3) ... [2022-11-23 14:24:44,235 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_22_bad.i [2022-11-23 14:24:44,253 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:24:44,253 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 14:24:44,308 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:24:44,314 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=FINITE_AUTOMATA, 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;@43c6be58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:24:44,314 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 14:24:44,322 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 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) [2022-11-23 14:24:44,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 14:24:44,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:24:44,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:24:44,331 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 14:24:44,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:24:44,337 INFO L85 PathProgramCache]: Analyzing trace with hash 252523526, now seen corresponding path program 1 times [2022-11-23 14:24:44,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:24:44,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [754885368] [2022-11-23 14:24:44,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:24:44,351 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:24:44,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:24:44,352 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:24:44,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 14:24:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:24:44,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 14:24:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:24:44,659 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-23 14:24:44,661 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 14:24:44,663 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 14:24:44,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 14:24:44,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-23 14:24:44,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:24:44,878 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 14:24:44,883 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:24:44,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:24:44 BoogieIcfgContainer [2022-11-23 14:24:44,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:24:44,914 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:24:44,915 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:24:44,915 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:24:44,915 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:24:44" (3/4) ... [2022-11-23 14:24:44,918 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 14:24:44,918 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:24:44,920 INFO L158 Benchmark]: Toolchain (without parser) took 4388.49ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 68.4MB in the beginning and 34.2MB in the end (delta: 34.3MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2022-11-23 14:24:44,920 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:24:44,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2396.86ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 68.2MB in the beginning and 75.1MB in the end (delta: -6.9MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2022-11-23 14:24:44,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.62ms. Allocated memory is still 113.2MB. Free memory was 75.1MB in the beginning and 70.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 14:24:44,922 INFO L158 Benchmark]: Boogie Preprocessor took 52.53ms. Allocated memory is still 113.2MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:24:44,923 INFO L158 Benchmark]: RCFGBuilder took 1177.74ms. Allocated memory is still 113.2MB. Free memory was 68.8MB in the beginning and 54.0MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 14:24:44,923 INFO L158 Benchmark]: TraceAbstraction took 685.25ms. Allocated memory is still 113.2MB. Free memory was 53.0MB in the beginning and 34.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 14:24:44,924 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 113.2MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:24:44,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2396.86ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 68.2MB in the beginning and 75.1MB in the end (delta: -6.9MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.62ms. Allocated memory is still 113.2MB. Free memory was 75.1MB in the beginning and 70.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.53ms. Allocated memory is still 113.2MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1177.74ms. Allocated memory is still 113.2MB. Free memory was 68.8MB in the beginning and 54.0MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 685.25ms. Allocated memory is still 113.2MB. Free memory was 53.0MB in the beginning and 34.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 113.2MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1866]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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] int CWE190_Integer_Overflow__int_fgets_square_22_badGlobal = 0; VAL [CWE190_Integer_Overflow__int_fgets_square_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [#in~line={4:0}, CWE190_Integer_Overflow__int_fgets_square_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [#in~argv={13:12}, argc=12, argv={13:12}, CWE190_Integer_Overflow__int_fgets_square_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~argc-unknown=12] [L1572] CALL CWE190_Integer_Overflow__int_fgets_square_22_bad() [L1552] int data; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1565] CWE190_Integer_Overflow__int_fgets_square_22_badGlobal = 1 [L1566] CALL CWE190_Integer_Overflow__int_fgets_square_22_badSink(data) [L1863] COND TRUE \read(CWE190_Integer_Overflow__int_fgets_square_22_badGlobal) VAL [CWE190_Integer_Overflow__int_fgets_square_22_badGlobal=1, 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, unknown-#in~data-unknown=-2147483648] [L1866] data * data VAL [CWE190_Integer_Overflow__int_fgets_square_22_badGlobal=1, 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, unknown-#in~data-unknown=-2147483648] - UnprovableResult [Line: 1866]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2022-11-23 14:24:44,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52687aba-e0f3-4663-b817-b95aaefc69a3/bin/utaipan-Q6hlc19bkW/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample