./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/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_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/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_5e1a2184-2d46-4401-af9d-d9d5fc183416/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 bb584eace91f708c9fb258b07d507c0a924e97c536b21d9ed6e9b1c7216f7aaa --- 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 15:20:59,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:20:59,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:20:59,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:20:59,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:20:59,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:20:59,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:20:59,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:20:59,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:20:59,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:20:59,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:20:59,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:20:59,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:20:59,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:20:59,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:20:59,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:20:59,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:20:59,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:20:59,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:20:59,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:20:59,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:20:59,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:20:59,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:20:59,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:20:59,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:20:59,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:20:59,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:20:59,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:20:59,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:20:59,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:20:59,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:20:59,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:20:59,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:20:59,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:20:59,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:20:59,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:20:59,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:20:59,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:20:59,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:20:59,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:20:59,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:20:59,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 15:20:59,762 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:20:59,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:20:59,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:20:59,763 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:20:59,763 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:20:59,763 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:20:59,764 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:20:59,764 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:20:59,764 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:20:59,764 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:20:59,764 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:20:59,765 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:20:59,765 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:20:59,765 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:20:59,765 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:20:59,766 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:20:59,766 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:20:59,766 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:20:59,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:20:59,767 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:20:59,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:20:59,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:20:59,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:20:59,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:20:59,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:20:59,768 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:20:59,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:20:59,769 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:20:59,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:20:59,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:20:59,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:20:59,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:20:59,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:20:59,770 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:20:59,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:20:59,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:20:59,770 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:20:59,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:20:59,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:20:59,771 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:20:59,771 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_5e1a2184-2d46-4401-af9d-d9d5fc183416/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb584eace91f708c9fb258b07d507c0a924e97c536b21d9ed6e9b1c7216f7aaa [2022-11-23 15:21:00,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:21:00,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:21:00,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:21:00,119 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:21:00,123 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:21:00,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_42_bad.i [2022-11-23 15:21:03,217 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:21:03,622 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:21:03,622 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_42_bad.i [2022-11-23 15:21:03,651 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/data/802b42ad4/49349336ff1e4413b2e652fe3d4deeef/FLAG7592c1217 [2022-11-23 15:21:03,673 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/data/802b42ad4/49349336ff1e4413b2e652fe3d4deeef [2022-11-23 15:21:03,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:21:03,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:21:03,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:21:03,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:21:03,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:21:03,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:21:03" (1/1) ... [2022-11-23 15:21:03,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8732c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:03, skipping insertion in model container [2022-11-23 15:21:03,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:21:03" (1/1) ... [2022-11-23 15:21:03,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:21:03,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:21:04,223 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:21:05,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:21:05,689 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:21:05,708 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:21:05,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:21:06,253 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:21:06,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:06 WrapperNode [2022-11-23 15:21:06,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:21:06,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:21:06,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:21:06,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:21:06,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:06" (1/1) ... [2022-11-23 15:21:06,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:06" (1/1) ... [2022-11-23 15:21:06,342 INFO L138 Inliner]: procedures = 939, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2022-11-23 15:21:06,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:21:06,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:21:06,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:21:06,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:21:06,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:06" (1/1) ... [2022-11-23 15:21:06,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:06" (1/1) ... [2022-11-23 15:21:06,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:06" (1/1) ... [2022-11-23 15:21:06,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:06" (1/1) ... [2022-11-23 15:21:06,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:06" (1/1) ... [2022-11-23 15:21:06,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:06" (1/1) ... [2022-11-23 15:21:06,389 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:06" (1/1) ... [2022-11-23 15:21:06,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:06" (1/1) ... [2022-11-23 15:21:06,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:21:06,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:21:06,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:21:06,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:21:06,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:06" (1/1) ... [2022-11-23 15:21:06,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:21:06,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:21:06,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:21:06,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:21:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:21:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:21:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:21:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:21:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 15:21:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-23 15:21:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 15:21:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 15:21:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:21:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:21:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:21:06,683 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:21:06,685 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:21:06,821 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:21:06,858 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:21:06,858 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:21:06,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:06 BoogieIcfgContainer [2022-11-23 15:21:06,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:21:06,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:21:06,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:21:06,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:21:06,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:21:03" (1/3) ... [2022-11-23 15:21:06,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@97cf2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:21:06, skipping insertion in model container [2022-11-23 15:21:06,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:06" (2/3) ... [2022-11-23 15:21:06,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@97cf2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:21:06, skipping insertion in model container [2022-11-23 15:21:06,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:06" (3/3) ... [2022-11-23 15:21:06,870 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_42_bad.i [2022-11-23 15:21:06,894 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:21:06,894 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 15:21:06,969 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:21:06,978 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;@2df0b7cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:21:06,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 15:21:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 8 states have (on average 1.375) internal successors, (11), 11 states have internal predecessors, (11), 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 15:21:06,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 15:21:06,995 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:21:06,996 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:21:06,996 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:21:07,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:21:07,005 INFO L85 PathProgramCache]: Analyzing trace with hash 108804888, now seen corresponding path program 1 times [2022-11-23 15:21:07,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:21:07,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566592583] [2022-11-23 15:21:07,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:07,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:21:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:21:07,251 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 15:21:07,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:21:07,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566592583] [2022-11-23 15:21:07,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566592583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:21:07,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:21:07,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 15:21:07,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544660784] [2022-11-23 15:21:07,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:21:07,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:21:07,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:21:07,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:21:07,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:21:07,331 INFO L87 Difference]: Start difference. First operand has 15 states, 8 states have (on average 1.375) internal successors, (11), 11 states have internal predecessors, (11), 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 6.0) internal successors, (6), 2 states have internal predecessors, (6), 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 15:21:07,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:21:07,384 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2022-11-23 15:21:07,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:21:07,386 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 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 8 [2022-11-23 15:21:07,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:21:07,395 INFO L225 Difference]: With dead ends: 15 [2022-11-23 15:21:07,400 INFO L226 Difference]: Without dead ends: 11 [2022-11-23 15:21:07,404 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 15:21:07,409 INFO L413 NwaCegarLoop]: 11 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, 11 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 15:21:07,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:21:07,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-23 15:21:07,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-11-23 15:21:07,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 8 states have internal predecessors, (8), 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 15:21:07,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2022-11-23 15:21:07,449 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 8 [2022-11-23 15:21:07,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:21:07,452 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2022-11-23 15:21:07,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 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 15:21:07,452 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2022-11-23 15:21:07,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 15:21:07,453 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:21:07,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:21:07,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:21:07,454 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:21:07,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:21:07,455 INFO L85 PathProgramCache]: Analyzing trace with hash -922015712, now seen corresponding path program 1 times [2022-11-23 15:21:07,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:21:07,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842645495] [2022-11-23 15:21:07,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:07,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:21:07,500 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:21:07,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [850221443] [2022-11-23 15:21:07,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:07,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:21:07,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:21:07,507 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:21:07,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:21:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:21:07,643 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 15:21:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:21:07,686 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 15:21:07,687 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 15:21:07,688 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 15:21:07,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 15:21:07,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:21:07,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-23 15:21:07,901 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 15:21:07,910 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:21:07,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:21:07 BoogieIcfgContainer [2022-11-23 15:21:07,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:21:07,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:21:07,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:21:07,944 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:21:07,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:06" (3/4) ... [2022-11-23 15:21:07,947 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 15:21:07,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:21:07,948 INFO L158 Benchmark]: Toolchain (without parser) took 4265.67ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 106.9MB in the beginning and 128.8MB in the end (delta: -21.9MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2022-11-23 15:21:07,949 INFO L158 Benchmark]: CDTParser took 2.29ms. Allocated memory is still 151.0MB. Free memory was 93.6MB in the beginning and 93.5MB in the end (delta: 153.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:21:07,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2569.84ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 106.6MB in the beginning and 110.6MB in the end (delta: -4.0MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2022-11-23 15:21:07,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.43ms. Allocated memory is still 201.3MB. Free memory was 110.6MB in the beginning and 106.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:21:07,950 INFO L158 Benchmark]: Boogie Preprocessor took 50.63ms. Allocated memory is still 201.3MB. Free memory was 106.4MB in the beginning and 105.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:21:07,951 INFO L158 Benchmark]: RCFGBuilder took 466.41ms. Allocated memory is still 201.3MB. Free memory was 105.4MB in the beginning and 89.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 15:21:07,951 INFO L158 Benchmark]: TraceAbstraction took 1079.44ms. Allocated memory is still 201.3MB. Free memory was 89.6MB in the beginning and 128.8MB in the end (delta: -39.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:21:07,951 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 201.3MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:21:07,954 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.29ms. Allocated memory is still 151.0MB. Free memory was 93.6MB in the beginning and 93.5MB in the end (delta: 153.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2569.84ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 106.6MB in the beginning and 110.6MB in the end (delta: -4.0MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.43ms. Allocated memory is still 201.3MB. Free memory was 110.6MB in the beginning and 106.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.63ms. Allocated memory is still 201.3MB. Free memory was 106.4MB in the beginning and 105.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 466.41ms. Allocated memory is still 201.3MB. Free memory was 105.4MB in the beginning and 89.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1079.44ms. Allocated memory is still 201.3MB. Free memory was 89.6MB in the beginning and 128.8MB in the end (delta: -39.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 201.3MB. Free memory is still 128.8MB. 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: 1853]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1838. 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); [L1860] CALL printLine("Calling bad()...") VAL [#in~line={4:0}, 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) [L1860] RET printLine("Calling bad()...") VAL [#in~argv={28:27}, argc=12, argv={28:27}, 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] [L1861] CALL CWE190_Integer_Overflow__int_fgets_square_42_bad() [L1849] int data; [L1850] data = 0 [L1851] CALL, EXPR badSource(data) [L1835] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1836] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1838] data = atoi(inputBuffer) [L1835] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1845] return data; [L1851] RET, EXPR badSource(data) [L1851] data = badSource(data) [L1853] data * data VAL [data=536870912, 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: 1853]: 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 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, 11 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=15occurred 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 15:21:07,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/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_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/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_5e1a2184-2d46-4401-af9d-d9d5fc183416/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 bb584eace91f708c9fb258b07d507c0a924e97c536b21d9ed6e9b1c7216f7aaa --- 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 15:21:10,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:21:10,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:21:10,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:21:10,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:21:10,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:21:10,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:21:10,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:21:10,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:21:10,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:21:10,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:21:10,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:21:10,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:21:10,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:21:10,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:21:10,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:21:10,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:21:10,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:21:10,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:21:10,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:21:10,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:21:10,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:21:10,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:21:10,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:21:10,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:21:10,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:21:10,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:21:10,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:21:10,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:21:10,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:21:10,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:21:10,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:21:10,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:21:10,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:21:10,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:21:10,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:21:10,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:21:10,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:21:10,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:21:10,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:21:10,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:21:10,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-23 15:21:10,690 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:21:10,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:21:10,690 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:21:10,691 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:21:10,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:21:10,692 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:21:10,692 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:21:10,692 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:21:10,692 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:21:10,692 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:21:10,693 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:21:10,693 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:21:10,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:21:10,694 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:21:10,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:21:10,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:21:10,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:21:10,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:21:10,695 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:21:10,695 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 15:21:10,695 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:21:10,695 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 15:21:10,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:21:10,696 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:21:10,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:21:10,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:21:10,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 15:21:10,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:21:10,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:21:10,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:21:10,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:21:10,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:21:10,698 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 15:21:10,698 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 15:21:10,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:21:10,698 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:21:10,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 15:21:10,699 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_5e1a2184-2d46-4401-af9d-d9d5fc183416/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb584eace91f708c9fb258b07d507c0a924e97c536b21d9ed6e9b1c7216f7aaa [2022-11-23 15:21:11,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:21:11,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:21:11,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:21:11,103 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:21:11,104 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:21:11,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_42_bad.i [2022-11-23 15:21:14,247 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:21:14,654 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:21:14,656 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_42_bad.i [2022-11-23 15:21:14,690 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/data/7657223ff/b8f0833220734be581864fe85c14f20c/FLAG141749168 [2022-11-23 15:21:14,809 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/data/7657223ff/b8f0833220734be581864fe85c14f20c [2022-11-23 15:21:14,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:21:14,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:21:14,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:21:14,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:21:14,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:21:14,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:21:14" (1/1) ... [2022-11-23 15:21:14,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b8d0179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:14, skipping insertion in model container [2022-11-23 15:21:14,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:21:14" (1/1) ... [2022-11-23 15:21:14,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:21:14,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:21:15,402 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:21:16,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:21:16,510 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:21:16,545 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:21:16,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:21:17,071 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:21:17,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:17 WrapperNode [2022-11-23 15:21:17,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:21:17,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:21:17,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:21:17,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:21:17,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:17" (1/1) ... [2022-11-23 15:21:17,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:17" (1/1) ... [2022-11-23 15:21:17,141 INFO L138 Inliner]: procedures = 944, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2022-11-23 15:21:17,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:21:17,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:21:17,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:21:17,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:21:17,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:17" (1/1) ... [2022-11-23 15:21:17,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:17" (1/1) ... [2022-11-23 15:21:17,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:17" (1/1) ... [2022-11-23 15:21:17,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:17" (1/1) ... [2022-11-23 15:21:17,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:17" (1/1) ... [2022-11-23 15:21:17,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:17" (1/1) ... [2022-11-23 15:21:17,170 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:17" (1/1) ... [2022-11-23 15:21:17,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:17" (1/1) ... [2022-11-23 15:21:17,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:21:17,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:21:17,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:21:17,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:21:17,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:17" (1/1) ... [2022-11-23 15:21:17,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:21:17,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:21:17,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:21:17,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:21:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:21:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:21:17,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:21:17,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:21:17,276 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 15:21:17,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-23 15:21:17,276 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-23 15:21:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 15:21:17,277 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 15:21:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:21:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 15:21:17,478 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:21:17,494 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:21:18,538 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:21:18,544 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:21:18,544 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:21:18,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:18 BoogieIcfgContainer [2022-11-23 15:21:18,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:21:18,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:21:18,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:21:18,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:21:18,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:21:14" (1/3) ... [2022-11-23 15:21:18,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@745970de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:21:18, skipping insertion in model container [2022-11-23 15:21:18,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:17" (2/3) ... [2022-11-23 15:21:18,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@745970de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:21:18, skipping insertion in model container [2022-11-23 15:21:18,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:18" (3/3) ... [2022-11-23 15:21:18,556 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_42_bad.i [2022-11-23 15:21:18,574 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:21:18,575 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 15:21:18,616 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:21:18,622 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;@5a09f59f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:21:18,622 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 15:21:18,626 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) [2022-11-23 15:21:18,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 15:21:18,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:21:18,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:21:18,635 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:21:18,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:21:18,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1091945264, now seen corresponding path program 1 times [2022-11-23 15:21:18,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:21:18,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804748217] [2022-11-23 15:21:18,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:18,653 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 15:21:18,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:21:18,659 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/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 15:21:18,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/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 15:21:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:21:18,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 15:21:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:21:18,968 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-23 15:21:18,970 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 15:21:18,971 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 15:21:18,973 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 15:21:18,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/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 15:21:19,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/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 15:21:19,178 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 15:21:19,182 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:21:19,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:21:19 BoogieIcfgContainer [2022-11-23 15:21:19,217 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:21:19,218 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:21:19,218 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:21:19,218 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:21:19,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:18" (3/4) ... [2022-11-23 15:21:19,222 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 15:21:19,222 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:21:19,223 INFO L158 Benchmark]: Toolchain (without parser) took 4406.38ms. Allocated memory was 62.9MB in the beginning and 98.6MB in the end (delta: 35.7MB). Free memory was 29.4MB in the beginning and 44.0MB in the end (delta: -14.6MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-11-23 15:21:19,223 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:21:19,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2252.56ms. Allocated memory was 62.9MB in the beginning and 98.6MB in the end (delta: 35.7MB). Free memory was 29.2MB in the beginning and 42.6MB in the end (delta: -13.4MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-11-23 15:21:19,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.67ms. Allocated memory is still 98.6MB. Free memory was 42.6MB in the beginning and 38.3MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:21:19,225 INFO L158 Benchmark]: Boogie Preprocessor took 33.47ms. Allocated memory is still 98.6MB. Free memory was 38.3MB in the beginning and 36.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:21:19,226 INFO L158 Benchmark]: RCFGBuilder took 1369.80ms. Allocated memory is still 98.6MB. Free memory was 36.3MB in the beginning and 62.9MB in the end (delta: -26.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 15:21:19,226 INFO L158 Benchmark]: TraceAbstraction took 669.13ms. Allocated memory is still 98.6MB. Free memory was 61.5MB in the beginning and 44.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 15:21:19,229 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 98.6MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:21:19,232 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2252.56ms. Allocated memory was 62.9MB in the beginning and 98.6MB in the end (delta: 35.7MB). Free memory was 29.2MB in the beginning and 42.6MB in the end (delta: -13.4MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.67ms. Allocated memory is still 98.6MB. Free memory was 42.6MB in the beginning and 38.3MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.47ms. Allocated memory is still 98.6MB. Free memory was 38.3MB in the beginning and 36.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1369.80ms. Allocated memory is still 98.6MB. Free memory was 36.3MB in the beginning and 62.9MB in the end (delta: -26.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 669.13ms. Allocated memory is still 98.6MB. Free memory was 61.5MB in the beginning and 44.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.82ms. Allocated memory is still 98.6MB. Free memory is still 44.0MB. 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: 1853]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1838. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1860] CALL printLine("Calling bad()...") VAL [#in~line={4:0}, 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) [L1860] RET printLine("Calling bad()...") VAL [#in~argv={13:12}, argc=12, argv={13:12}, 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] [L1861] CALL CWE190_Integer_Overflow__int_fgets_square_42_bad() [L1849] int data; [L1850] data = 0 [L1851] CALL, EXPR badSource(data) [L1835] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1836] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1838] data = atoi(inputBuffer) [L1835] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1845] return data; VAL [\result=-2147483648, 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=0] [L1851] RET, EXPR badSource(data) [L1851] data = badSource(data) [L1853] data * data VAL [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: 1853]: 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: 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=23occurred 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 15:21:19,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e1a2184-2d46-4401-af9d-d9d5fc183416/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