./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_10_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a400e5f492b790049ea499956515e47c013824966dad176a939a8aceed7265e3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 22:12:18,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:12:18,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:12:18,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:12:18,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:12:18,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:12:18,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:12:18,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:12:18,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:12:18,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:12:18,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:12:18,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:12:18,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:12:18,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:12:18,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:12:18,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:12:18,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:12:18,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:12:18,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:12:18,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:12:18,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:12:18,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:12:18,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:12:18,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:12:18,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:12:18,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:12:18,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:12:18,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:12:19,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:12:19,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:12:19,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:12:19,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:12:19,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:12:19,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:12:19,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:12:19,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:12:19,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:12:19,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:12:19,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:12:19,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:12:19,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:12:19,008 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 22:12:19,028 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:12:19,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:12:19,029 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:12:19,029 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:12:19,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:12:19,030 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:12:19,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:12:19,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:12:19,031 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:12:19,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:12:19,031 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:12:19,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:12:19,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:12:19,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:12:19,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:12:19,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:12:19,033 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 22:12:19,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:12:19,033 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:12:19,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:12:19,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:12:19,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:12:19,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:12:19,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:12:19,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:12:19,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:12:19,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:12:19,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:12:19,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:12:19,035 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:12:19,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:12:19,036 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:12:19,036 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:12:19,036 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:12:19,036 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a400e5f492b790049ea499956515e47c013824966dad176a939a8aceed7265e3 [2022-12-13 22:12:19,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:12:19,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:12:19,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:12:19,214 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:12:19,214 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:12:19,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_10_bad.i [2022-12-13 22:12:21,732 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:12:21,951 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:12:21,951 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_10_bad.i [2022-12-13 22:12:21,964 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/data/94f89dd49/fe3f5d38da774bfe9db177d39a1a0eb2/FLAG8173d53a3 [2022-12-13 22:12:21,975 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/data/94f89dd49/fe3f5d38da774bfe9db177d39a1a0eb2 [2022-12-13 22:12:21,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:12:21,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:12:21,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:12:21,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:12:21,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:12:21,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:12:21" (1/1) ... [2022-12-13 22:12:21,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a59546d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:21, skipping insertion in model container [2022-12-13 22:12:21,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:12:21" (1/1) ... [2022-12-13 22:12:21,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:12:22,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:12:22,259 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:12:22,547 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:12:22,552 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:12:22,554 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:12:22,556 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:12:22,557 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:12:22,576 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 22:12:22,581 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:12:22,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:12:22,592 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:12:22,609 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:12:22,655 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:12:22,657 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:12:22,657 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:12:22,659 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:12:22,660 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:12:22,663 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 22:12:22,664 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:12:22,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:12:22,762 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:12:22,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:22 WrapperNode [2022-12-13 22:12:22,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:12:22,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:12:22,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:12:22,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:12:22,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:22" (1/1) ... [2022-12-13 22:12:22,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:22" (1/1) ... [2022-12-13 22:12:22,808 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2022-12-13 22:12:22,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:12:22,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:12:22,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:12:22,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:12:22,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:22" (1/1) ... [2022-12-13 22:12:22,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:22" (1/1) ... [2022-12-13 22:12:22,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:22" (1/1) ... [2022-12-13 22:12:22,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:22" (1/1) ... [2022-12-13 22:12:22,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:22" (1/1) ... [2022-12-13 22:12:22,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:22" (1/1) ... [2022-12-13 22:12:22,828 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:22" (1/1) ... [2022-12-13 22:12:22,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:22" (1/1) ... [2022-12-13 22:12:22,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:12:22,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:12:22,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:12:22,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:12:22,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:22" (1/1) ... [2022-12-13 22:12:22,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:12:22,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:12:22,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:12:22,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:12:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 22:12:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 22:12:22,892 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 22:12:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 22:12:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 22:12:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:12:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:12:22,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:12:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 22:12:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 22:12:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:12:23,007 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:12:23,010 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:12:23,115 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:12:23,119 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:12:23,119 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:12:23,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:12:23 BoogieIcfgContainer [2022-12-13 22:12:23,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:12:23,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:12:23,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:12:23,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:12:23,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:12:21" (1/3) ... [2022-12-13 22:12:23,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa37fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:12:23, skipping insertion in model container [2022-12-13 22:12:23,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:22" (2/3) ... [2022-12-13 22:12:23,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa37fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:12:23, skipping insertion in model container [2022-12-13 22:12:23,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:12:23" (3/3) ... [2022-12-13 22:12:23,127 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_10_bad.i [2022-12-13 22:12:23,141 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:12:23,141 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 22:12:23,175 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:12:23,180 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2271667a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:12:23,180 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 22:12:23,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 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) [2022-12-13 22:12:23,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 22:12:23,189 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:12:23,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:12:23,190 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:12:23,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:12:23,194 INFO L85 PathProgramCache]: Analyzing trace with hash -152054014, now seen corresponding path program 1 times [2022-12-13 22:12:23,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:12:23,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941716842] [2022-12-13 22:12:23,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:12:23,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:12:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:12:23,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:12:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:12:23,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:12:23,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:12:23,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941716842] [2022-12-13 22:12:23,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941716842] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:12:23,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:12:23,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:12:23,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169696105] [2022-12-13 22:12:23,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:12:23,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:12:23,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:12:23,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:12:23,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:12:23,412 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 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 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 22:12:23,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:12:23,436 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2022-12-13 22:12:23,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:12:23,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 22:12:23,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:12:23,444 INFO L225 Difference]: With dead ends: 40 [2022-12-13 22:12:23,445 INFO L226 Difference]: Without dead ends: 17 [2022-12-13 22:12:23,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:12:23,450 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 23 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:12:23,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:12:23,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-13 22:12:23,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-13 22:12:23,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 14 states have internal predecessors, (15), 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) [2022-12-13 22:12:23,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-12-13 22:12:23,485 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2022-12-13 22:12:23,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:12:23,487 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-12-13 22:12:23,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 22:12:23,487 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-12-13 22:12:23,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 22:12:23,488 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:12:23,488 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:12:23,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:12:23,489 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:12:23,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:12:23,490 INFO L85 PathProgramCache]: Analyzing trace with hash -104588099, now seen corresponding path program 1 times [2022-12-13 22:12:23,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:12:23,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407913100] [2022-12-13 22:12:23,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:12:23,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:12:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:12:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:12:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:12:23,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:12:23,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:12:23,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407913100] [2022-12-13 22:12:23,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407913100] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:12:23,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:12:23,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:12:23,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323945978] [2022-12-13 22:12:23,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:12:23,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:12:23,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:12:23,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:12:23,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:12:23,577 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-12-13 22:12:23,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:12:23,584 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-12-13 22:12:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:12:23,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2022-12-13 22:12:23,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:12:23,585 INFO L225 Difference]: With dead ends: 17 [2022-12-13 22:12:23,585 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 22:12:23,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:12:23,587 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:12:23,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:12:23,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 22:12:23,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 22:12:23,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 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) [2022-12-13 22:12:23,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-12-13 22:12:23,598 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 13 [2022-12-13 22:12:23,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:12:23,599 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-12-13 22:12:23,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-12-13 22:12:23,599 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-13 22:12:23,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 22:12:23,600 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:12:23,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:12:23,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 22:12:23,600 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:12:23,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:12:23,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1052736290, now seen corresponding path program 1 times [2022-12-13 22:12:23,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:12:23,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289170490] [2022-12-13 22:12:23,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:12:23,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:12:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:12:23,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:12:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:12:23,663 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:12:23,663 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 22:12:23,664 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 22:12:23,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 22:12:23,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 22:12:23,670 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 22:12:23,673 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:12:23,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:12:23 BoogieIcfgContainer [2022-12-13 22:12:23,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:12:23,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:12:23,696 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:12:23,696 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:12:23,697 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:12:23" (3/4) ... [2022-12-13 22:12:23,700 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 22:12:23,700 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:12:23,700 INFO L158 Benchmark]: Toolchain (without parser) took 1722.81ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 100.4MB in the beginning and 128.6MB in the end (delta: -28.2MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2022-12-13 22:12:23,701 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:12:23,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 785.03ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 100.1MB in the beginning and 125.7MB in the end (delta: -25.6MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2022-12-13 22:12:23,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.86ms. Allocated memory is still 174.1MB. Free memory was 125.7MB in the beginning and 122.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 22:12:23,702 INFO L158 Benchmark]: Boogie Preprocessor took 21.40ms. Allocated memory is still 174.1MB. Free memory was 122.6MB in the beginning and 121.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:12:23,702 INFO L158 Benchmark]: RCFGBuilder took 290.18ms. Allocated memory is still 174.1MB. Free memory was 121.6MB in the beginning and 109.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 22:12:23,703 INFO L158 Benchmark]: TraceAbstraction took 572.61ms. Allocated memory is still 174.1MB. Free memory was 107.9MB in the beginning and 129.7MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:12:23,703 INFO L158 Benchmark]: Witness Printer took 3.89ms. Allocated memory is still 174.1MB. Free memory was 129.7MB in the beginning and 128.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:12:23,705 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 785.03ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 100.1MB in the beginning and 125.7MB in the end (delta: -25.6MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.86ms. Allocated memory is still 174.1MB. Free memory was 125.7MB in the beginning and 122.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.40ms. Allocated memory is still 174.1MB. Free memory was 122.6MB in the beginning and 121.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 290.18ms. Allocated memory is still 174.1MB. Free memory was 121.6MB in the beginning and 109.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 572.61ms. Allocated memory is still 174.1MB. Free memory was 107.9MB in the beginning and 129.7MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.89ms. Allocated memory is still 174.1MB. Free memory was 129.7MB in the beginning and 128.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1577] RET printLine("Calling bad()...") VAL [\old(argc)=2147483652, argc=2147483652, argv={2147483651:2147483654}, argv={2147483651:2147483654}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL CWE190_Integer_Overflow__int_fgets_add_10_bad() [L1550] int data; [L1551] data = 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] [L1552] COND TRUE \read(globalTrue) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE \read(globalTrue) VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data + 1 VAL [data=2147483647, 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 41 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 [2022-12-13 22:12:23,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/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_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a400e5f492b790049ea499956515e47c013824966dad176a939a8aceed7265e3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 22:12:25,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:12:25,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:12:25,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:12:25,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:12:25,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:12:25,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:12:25,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:12:25,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:12:25,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:12:25,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:12:25,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:12:25,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:12:25,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:12:25,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:12:25,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:12:25,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:12:25,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:12:25,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:12:25,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:12:25,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:12:25,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:12:25,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:12:25,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:12:25,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:12:25,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:12:25,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:12:25,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:12:25,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:12:25,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:12:25,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:12:25,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:12:25,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:12:25,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:12:25,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:12:25,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:12:25,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:12:25,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:12:25,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:12:25,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:12:25,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:12:25,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 22:12:25,516 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:12:25,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:12:25,516 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:12:25,516 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:12:25,517 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:12:25,517 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:12:25,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:12:25,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:12:25,517 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:12:25,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:12:25,518 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:12:25,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:12:25,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:12:25,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:12:25,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:12:25,518 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 22:12:25,518 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 22:12:25,518 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 22:12:25,518 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 22:12:25,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:12:25,518 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:12:25,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:12:25,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:12:25,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:12:25,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:12:25,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:12:25,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:12:25,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:12:25,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:12:25,519 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 22:12:25,520 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 22:12:25,520 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:12:25,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:12:25,520 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:12:25,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:12:25,520 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 22:12:25,520 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:12:25,520 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a400e5f492b790049ea499956515e47c013824966dad176a939a8aceed7265e3 [2022-12-13 22:12:25,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:12:25,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:12:25,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:12:25,754 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:12:25,754 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:12:25,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_10_bad.i [2022-12-13 22:12:28,390 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:12:28,620 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:12:28,620 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_10_bad.i [2022-12-13 22:12:28,635 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/data/a6f8e7057/d41212ddbf444bd9a423795c35d70f8a/FLAG888446628 [2022-12-13 22:12:28,651 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/data/a6f8e7057/d41212ddbf444bd9a423795c35d70f8a [2022-12-13 22:12:28,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:12:28,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:12:28,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:12:28,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:12:28,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:12:28,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:12:28" (1/1) ... [2022-12-13 22:12:28,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8d2b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:28, skipping insertion in model container [2022-12-13 22:12:28,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:12:28" (1/1) ... [2022-12-13 22:12:28,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:12:28,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:12:29,006 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:12:29,374 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:12:29,379 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:12:29,381 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:12:29,383 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:12:29,384 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:12:29,407 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 22:12:29,411 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:12:29,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:12:29,422 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:12:29,435 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:12:29,467 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:12:29,468 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:12:29,468 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:12:29,470 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:12:29,470 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:12:29,473 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 22:12:29,474 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:12:29,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:12:29,560 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:12:29,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:29 WrapperNode [2022-12-13 22:12:29,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:12:29,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:12:29,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:12:29,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:12:29,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:29" (1/1) ... [2022-12-13 22:12:29,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:29" (1/1) ... [2022-12-13 22:12:29,597 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2022-12-13 22:12:29,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:12:29,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:12:29,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:12:29,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:12:29,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:29" (1/1) ... [2022-12-13 22:12:29,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:29" (1/1) ... [2022-12-13 22:12:29,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:29" (1/1) ... [2022-12-13 22:12:29,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:29" (1/1) ... [2022-12-13 22:12:29,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:29" (1/1) ... [2022-12-13 22:12:29,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:29" (1/1) ... [2022-12-13 22:12:29,615 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:29" (1/1) ... [2022-12-13 22:12:29,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:29" (1/1) ... [2022-12-13 22:12:29,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:12:29,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:12:29,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:12:29,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:12:29,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:29" (1/1) ... [2022-12-13 22:12:29,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:12:29,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:12:29,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:12:29,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:12:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 22:12:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 22:12:29,674 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 22:12:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 22:12:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 22:12:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:12:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:12:29,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:12:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 22:12:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 22:12:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 22:12:29,793 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:12:29,794 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:12:29,905 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:12:29,909 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:12:29,909 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:12:29,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:12:29 BoogieIcfgContainer [2022-12-13 22:12:29,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:12:29,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:12:29,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:12:29,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:12:29,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:12:28" (1/3) ... [2022-12-13 22:12:29,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d82eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:12:29, skipping insertion in model container [2022-12-13 22:12:29,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:12:29" (2/3) ... [2022-12-13 22:12:29,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d82eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:12:29, skipping insertion in model container [2022-12-13 22:12:29,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:12:29" (3/3) ... [2022-12-13 22:12:29,916 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_10_bad.i [2022-12-13 22:12:29,930 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:12:29,930 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 22:12:29,963 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:12:29,968 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1ce84928, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:12:29,968 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 22:12:29,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 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) [2022-12-13 22:12:29,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 22:12:29,976 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:12:29,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:12:29,977 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:12:29,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:12:29,981 INFO L85 PathProgramCache]: Analyzing trace with hash -152054014, now seen corresponding path program 1 times [2022-12-13 22:12:29,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:12:29,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282122222] [2022-12-13 22:12:29,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:12:29,991 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 [2022-12-13 22:12:29,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:12:29,992 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 22:12:29,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 22:12:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:12:30,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 22:12:30,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:12:30,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:12:30,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:12:30,126 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:12:30,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1282122222] [2022-12-13 22:12:30,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1282122222] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:12:30,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:12:30,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 22:12:30,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829147014] [2022-12-13 22:12:30,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:12:30,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 22:12:30,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:12:30,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 22:12:30,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 22:12:30,155 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 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 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 22:12:30,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:12:30,168 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2022-12-13 22:12:30,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 22:12:30,170 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 22:12:30,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:12:30,174 INFO L225 Difference]: With dead ends: 24 [2022-12-13 22:12:30,175 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 22:12:30,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 22:12:30,179 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:12:30,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:12:30,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 22:12:30,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 22:12:30,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 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) [2022-12-13 22:12:30,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-12-13 22:12:30,203 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 11 [2022-12-13 22:12:30,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:12:30,204 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-12-13 22:12:30,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 22:12:30,205 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-12-13 22:12:30,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 22:12:30,206 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:12:30,206 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:12:30,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/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)] Forceful destruction successful, exit code 0 [2022-12-13 22:12:30,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 22:12:30,408 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:12:30,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:12:30,410 INFO L85 PathProgramCache]: Analyzing trace with hash -418707075, now seen corresponding path program 1 times [2022-12-13 22:12:30,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:12:30,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1044216456] [2022-12-13 22:12:30,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:12:30,414 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 [2022-12-13 22:12:30,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:12:30,417 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 22:12:30,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/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 (3)] Waiting until timeout for monitored process [2022-12-13 22:12:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:12:30,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:12:30,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:12:30,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:12:30,659 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:12:30,659 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:12:30,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1044216456] [2022-12-13 22:12:30,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1044216456] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:12:30,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:12:30,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:12:30,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868059029] [2022-12-13 22:12:30,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:12:30,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:12:30,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:12:30,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:12:30,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:12:30,662 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-12-13 22:12:30,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:12:30,674 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2022-12-13 22:12:30,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:12:30,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 12 [2022-12-13 22:12:30,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:12:30,676 INFO L225 Difference]: With dead ends: 20 [2022-12-13 22:12:30,676 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 22:12:30,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:12:30,677 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:12:30,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 16 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:12:30,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 22:12:30,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 22:12:30,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 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) [2022-12-13 22:12:30,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-12-13 22:12:30,682 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 12 [2022-12-13 22:12:30,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:12:30,682 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-12-13 22:12:30,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-12-13 22:12:30,683 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-13 22:12:30,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 22:12:30,683 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:12:30,683 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:12:30,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/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 (3)] Ended with exit code 0 [2022-12-13 22:12:30,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 22:12:30,885 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:12:30,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:12:30,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1052736290, now seen corresponding path program 1 times [2022-12-13 22:12:30,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:12:30,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1181054333] [2022-12-13 22:12:30,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:12:30,892 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 [2022-12-13 22:12:30,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:12:30,896 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 22:12:30,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/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 (4)] Waiting until timeout for monitored process [2022-12-13 22:12:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:12:31,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:12:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:12:31,078 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 22:12:31,078 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 22:12:31,079 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 22:12:31,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 22:12:31,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/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 (4)] Ended with exit code 0 [2022-12-13 22:12:31,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 22:12:31,285 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 22:12:31,288 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:12:31,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:12:31 BoogieIcfgContainer [2022-12-13 22:12:31,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:12:31,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:12:31,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:12:31,312 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:12:31,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:12:29" (3/4) ... [2022-12-13 22:12:31,315 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 22:12:31,315 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:12:31,315 INFO L158 Benchmark]: Toolchain (without parser) took 2660.97ms. Allocated memory is still 88.1MB. Free memory was 63.7MB in the beginning and 34.4MB in the end (delta: 29.3MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2022-12-13 22:12:31,316 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 69.2MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:12:31,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 904.77ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 43.4MB in the end (delta: 20.1MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2022-12-13 22:12:31,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.58ms. Allocated memory is still 88.1MB. Free memory was 43.4MB in the beginning and 40.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:12:31,317 INFO L158 Benchmark]: Boogie Preprocessor took 20.23ms. Allocated memory is still 88.1MB. Free memory was 40.5MB in the beginning and 38.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:12:31,317 INFO L158 Benchmark]: RCFGBuilder took 292.28ms. Allocated memory is still 88.1MB. Free memory was 38.4MB in the beginning and 49.3MB in the end (delta: -10.9MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-12-13 22:12:31,317 INFO L158 Benchmark]: TraceAbstraction took 1398.61ms. Allocated memory is still 88.1MB. Free memory was 48.8MB in the beginning and 34.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-12-13 22:12:31,318 INFO L158 Benchmark]: Witness Printer took 3.45ms. Allocated memory is still 88.1MB. Free memory is still 34.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:12:31,324 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 69.2MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 904.77ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 43.4MB in the end (delta: 20.1MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.58ms. Allocated memory is still 88.1MB. Free memory was 43.4MB in the beginning and 40.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.23ms. Allocated memory is still 88.1MB. Free memory was 40.5MB in the beginning and 38.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 292.28ms. Allocated memory is still 88.1MB. Free memory was 38.4MB in the beginning and 49.3MB in the end (delta: -10.9MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1398.61ms. Allocated memory is still 88.1MB. Free memory was 48.8MB in the beginning and 34.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Witness Printer took 3.45ms. Allocated memory is still 88.1MB. Free memory is still 34.4MB. 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1577] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, 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] [L1578] CALL CWE190_Integer_Overflow__int_fgets_add_10_bad() [L1550] int data; [L1551] data = 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] [L1552] COND TRUE \read(globalTrue) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE \read(globalTrue) VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data + 1 VAL [data=2147483647, 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 44 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 95 ConjunctsInSsa, 3 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 [2022-12-13 22:12:31,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34f7f07-9cbf-4d13-9964-595fcf7ee5ce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample