./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f 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_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0 --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 cf4a075a6c732c9d5671312c13d0b2dc4348f970607068cc69b1faf8eb643f8e --- 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-e04fb08 [2022-11-16 19:26:09,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:26:09,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:26:09,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:26:09,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:26:09,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:26:09,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:26:09,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:26:09,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:26:09,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:26:09,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:26:09,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:26:09,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:26:09,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:26:09,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:26:09,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:26:09,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:26:09,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:26:09,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:26:09,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:26:09,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:26:09,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:26:09,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:26:09,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:26:09,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:26:09,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:26:09,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:26:09,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:26:09,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:26:09,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:26:09,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:26:09,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:26:09,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:26:09,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:26:09,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:26:09,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:26:09,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:26:09,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:26:09,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:26:09,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:26:09,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:26:09,407 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-16 19:26:09,439 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:26:09,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:26:09,440 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:26:09,440 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:26:09,441 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:26:09,441 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:26:09,441 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:26:09,441 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:26:09,441 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:26:09,441 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:26:09,442 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:26:09,442 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:26:09,442 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:26:09,442 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:26:09,442 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:26:09,443 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:26:09,443 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:26:09,443 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:26:09,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:26:09,444 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 19:26:09,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:26:09,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:26:09,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:26:09,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:26:09,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:26:09,445 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 19:26:09,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:26:09,445 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:26:09,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:26:09,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:26:09,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:26:09,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:26:09,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:26:09,446 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:26:09,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:26:09,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:26:09,447 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:26:09,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:26:09,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:26:09,447 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:26:09,448 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_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf4a075a6c732c9d5671312c13d0b2dc4348f970607068cc69b1faf8eb643f8e [2022-11-16 19:26:09,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:26:09,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:26:09,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:26:09,750 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:26:09,750 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:26:09,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_bad.i [2022-11-16 19:26:09,837 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/data/2de1dbd21/787c4bae045847028128122d7ebde65b/FLAG76f5c2e76 [2022-11-16 19:26:10,544 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:26:10,545 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_bad.i [2022-11-16 19:26:10,588 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/data/2de1dbd21/787c4bae045847028128122d7ebde65b/FLAG76f5c2e76 [2022-11-16 19:26:10,707 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/data/2de1dbd21/787c4bae045847028128122d7ebde65b [2022-11-16 19:26:10,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:26:10,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:26:10,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:26:10,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:26:10,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:26:10,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:26:10" (1/1) ... [2022-11-16 19:26:10,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed278eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:10, skipping insertion in model container [2022-11-16 19:26:10,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:26:10" (1/1) ... [2022-11-16 19:26:10,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:26:10,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:26:11,340 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 19:26:12,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:26:12,263 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:26:12,281 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 19:26:12,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:26:12,601 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:26:12,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:12 WrapperNode [2022-11-16 19:26:12,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:26:12,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:26:12,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:26:12,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:26:12,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:12" (1/1) ... [2022-11-16 19:26:12,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:12" (1/1) ... [2022-11-16 19:26:12,667 INFO L138 Inliner]: procedures = 938, calls = 144, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 154 [2022-11-16 19:26:12,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:26:12,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:26:12,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:26:12,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:26:12,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:12" (1/1) ... [2022-11-16 19:26:12,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:12" (1/1) ... [2022-11-16 19:26:12,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:12" (1/1) ... [2022-11-16 19:26:12,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:12" (1/1) ... [2022-11-16 19:26:12,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:12" (1/1) ... [2022-11-16 19:26:12,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:12" (1/1) ... [2022-11-16 19:26:12,697 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:12" (1/1) ... [2022-11-16 19:26:12,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:12" (1/1) ... [2022-11-16 19:26:12,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:26:12,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:26:12,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:26:12,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:26:12,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:12" (1/1) ... [2022-11-16 19:26:12,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:26:12,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:26:12,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:26:12,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:26:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 19:26:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:26:12,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:26:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 19:26:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-16 19:26:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-16 19:26:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-16 19:26:12,798 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-16 19:26:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 19:26:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 19:26:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 19:26:13,043 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:26:13,045 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:26:13,319 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:26:13,363 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:26:13,363 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 19:26:13,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:26:13 BoogieIcfgContainer [2022-11-16 19:26:13,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:26:13,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:26:13,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:26:13,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:26:13,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:26:10" (1/3) ... [2022-11-16 19:26:13,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319c6e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:26:13, skipping insertion in model container [2022-11-16 19:26:13,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:12" (2/3) ... [2022-11-16 19:26:13,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319c6e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:26:13, skipping insertion in model container [2022-11-16 19:26:13,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:26:13" (3/3) ... [2022-11-16 19:26:13,397 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_17_bad.i [2022-11-16 19:26:13,416 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:26:13,416 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-16 19:26:13,464 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:26:13,470 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;@2ba8b13f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:26:13,471 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-16 19:26:13,475 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 21 states have internal predecessors, (23), 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) [2022-11-16 19:26:13,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 19:26:13,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:26:13,483 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:26:13,484 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-16 19:26:13,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:26:13,490 INFO L85 PathProgramCache]: Analyzing trace with hash 191866229, now seen corresponding path program 1 times [2022-11-16 19:26:13,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:26:13,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175403860] [2022-11-16 19:26:13,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:26:13,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:26:13,630 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:26:13,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1174616213] [2022-11-16 19:26:13,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:26:13,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:26:13,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:26:13,642 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:26:13,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 19:26:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:26:13,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 19:26:13,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:26:13,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:26:13,880 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:26:13,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:26:13,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175403860] [2022-11-16 19:26:13,882 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:26:13,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174616213] [2022-11-16 19:26:13,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174616213] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:26:13,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:26:13,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 19:26:13,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664591890] [2022-11-16 19:26:13,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:26:13,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:26:13,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:26:13,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:26:13,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:26:13,936 INFO L87 Difference]: Start difference. First operand has 25 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 21 states have internal predecessors, (23), 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 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2022-11-16 19:26:14,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:26:14,003 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2022-11-16 19:26:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:26:14,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 [2022-11-16 19:26:14,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:26:14,013 INFO L225 Difference]: With dead ends: 39 [2022-11-16 19:26:14,013 INFO L226 Difference]: Without dead ends: 22 [2022-11-16 19:26:14,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:26:14,020 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 7 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 19:26:14,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 32 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 19:26:14,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-16 19:26:14,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-16 19:26:14,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.5) internal successors, (21), 19 states have internal predecessors, (21), 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) [2022-11-16 19:26:14,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-11-16 19:26:14,063 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 8 [2022-11-16 19:26:14,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:26:14,065 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-16 19:26:14,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2022-11-16 19:26:14,066 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-16 19:26:14,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 19:26:14,067 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:26:14,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:26:14,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 19:26:14,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:26:14,273 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-16 19:26:14,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:26:14,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1650898362, now seen corresponding path program 1 times [2022-11-16 19:26:14,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:26:14,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199379611] [2022-11-16 19:26:14,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:26:14,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:26:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:26:14,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:26:14,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:26:14,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199379611] [2022-11-16 19:26:14,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199379611] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:26:14,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:26:14,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 19:26:14,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373108827] [2022-11-16 19:26:14,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:26:14,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:26:14,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:26:14,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:26:14,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:26:14,598 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2022-11-16 19:26:14,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:26:14,644 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2022-11-16 19:26:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:26:14,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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 [2022-11-16 19:26:14,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:26:14,645 INFO L225 Difference]: With dead ends: 29 [2022-11-16 19:26:14,646 INFO L226 Difference]: Without dead ends: 27 [2022-11-16 19:26:14,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:26:14,647 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 4 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 19:26:14,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 47 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 19:26:14,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-16 19:26:14,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-16 19:26:14,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 24 states have internal predecessors, (26), 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) [2022-11-16 19:26:14,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2022-11-16 19:26:14,654 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 9 [2022-11-16 19:26:14,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:26:14,655 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2022-11-16 19:26:14,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2022-11-16 19:26:14,655 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-11-16 19:26:14,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 19:26:14,656 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:26:14,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:26:14,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 19:26:14,657 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-16 19:26:14,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:26:14,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1067442832, now seen corresponding path program 1 times [2022-11-16 19:26:14,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:26:14,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465493427] [2022-11-16 19:26:14,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:26:14,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:26:14,682 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:26:14,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [184095466] [2022-11-16 19:26:14,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:26:14,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:26:14,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:26:14,684 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:26:14,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 19:26:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 19:26:14,846 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 19:26:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 19:26:14,917 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-16 19:26:14,920 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 19:26:14,921 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-16 19:26:14,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-16 19:26:14,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-16 19:26:14,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-16 19:26:14,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-16 19:26:14,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-16 19:26:14,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 19:26:15,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-16 19:26:15,134 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-16 19:26:15,136 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 19:26:15,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:26:15 BoogieIcfgContainer [2022-11-16 19:26:15,163 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 19:26:15,163 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 19:26:15,164 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 19:26:15,164 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 19:26:15,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:26:13" (3/4) ... [2022-11-16 19:26:15,167 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 19:26:15,167 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 19:26:15,168 INFO L158 Benchmark]: Toolchain (without parser) took 4455.52ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 116.0MB in the beginning and 104.3MB in the end (delta: 11.7MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2022-11-16 19:26:15,169 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 38.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:26:15,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1886.69ms. Allocated memory is still 157.3MB. Free memory was 115.7MB in the beginning and 83.6MB in the end (delta: 32.1MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2022-11-16 19:26:15,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.40ms. Allocated memory is still 157.3MB. Free memory was 83.6MB in the beginning and 79.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 19:26:15,171 INFO L158 Benchmark]: Boogie Preprocessor took 32.92ms. Allocated memory is still 157.3MB. Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:26:15,171 INFO L158 Benchmark]: RCFGBuilder took 663.53ms. Allocated memory is still 157.3MB. Free memory was 77.3MB in the beginning and 56.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-16 19:26:15,172 INFO L158 Benchmark]: TraceAbstraction took 1794.73ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 56.1MB in the beginning and 105.4MB in the end (delta: -49.3MB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. [2022-11-16 19:26:15,172 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 207.6MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:26:15,175 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 38.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1886.69ms. Allocated memory is still 157.3MB. Free memory was 115.7MB in the beginning and 83.6MB in the end (delta: 32.1MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.40ms. Allocated memory is still 157.3MB. Free memory was 83.6MB in the beginning and 79.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.92ms. Allocated memory is still 157.3MB. Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 663.53ms. Allocated memory is still 157.3MB. Free memory was 77.3MB in the beginning and 56.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1794.73ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 56.1MB in the beginning and 105.4MB in the end (delta: -49.3MB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 207.6MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1854]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1843. Possible FailurePath: [L1525] int globalTrue = 1; [L1547] char** globalArgv = ((void *)0); [L1526] int globalFalse = 0; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1546] int globalArgc = 0; [L1522] const int GLOBAL_CONST_TRUE = 1; [L1527] int globalFive = 5; [L1862] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={19:0}] [L1414] COND TRUE line != ((void *)0) [L1862] RET printLine("Calling bad()...") VAL [\old(argc)=54, argc=54, argv={53:52}, argv={53:52}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1863] CALL CWE190_Integer_Overflow__int_fgets_square_17_bad() [L1834] int i,j; [L1835] int data; [L1836] data = 0 [L1837] i = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1837] COND TRUE i < 1 [L1840] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1841] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1843] data = atoi(inputBuffer) [L1840] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1837] i++ VAL [data=-1073741823, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1837] COND FALSE !(i < 1) [L1851] j = 0 VAL [data=-1073741823, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1851] COND TRUE j < 1 VAL [data=-1073741823, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1854] data * data VAL [data=-1073741823, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] - UnprovableResult [Line: 1837]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1837]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1854]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1851]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1851]: 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, 25 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 37 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=2, InterpolantAutomatonStates: 7, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 280 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2022-11-16 19:26:15,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/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 No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f7aec62-67b1-4480-9ad4-5f97ed6b0a75/bin/utaipan-Xvt2sAort0/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample