./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_66_good.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_dcda83c5-0773-4fd3-815d-f95471ca6062/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcda83c5-0773-4fd3-815d-f95471ca6062/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_dcda83c5-0773-4fd3-815d-f95471ca6062/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcda83c5-0773-4fd3-815d-f95471ca6062/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_66_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcda83c5-0773-4fd3-815d-f95471ca6062/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_dcda83c5-0773-4fd3-815d-f95471ca6062/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 9aa5952472dbeb6618cec7fdd0bb8055353b44c3217fc947526ab45fd071ee87 --- 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 16:43:17,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:43:17,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:43:17,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:43:17,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:43:17,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:43:17,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:43:17,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:43:17,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:43:17,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:43:17,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:43:17,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:43:17,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:43:17,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:43:17,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:43:17,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:43:17,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:43:17,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:43:17,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:43:17,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:43:17,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:43:17,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:43:17,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:43:17,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:43:17,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:43:17,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:43:17,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:43:17,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:43:17,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:43:17,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:43:17,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:43:17,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:43:17,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:43:17,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:43:17,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:43:17,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:43:17,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:43:17,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:43:17,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:43:17,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:43:17,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:43:17,312 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcda83c5-0773-4fd3-815d-f95471ca6062/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 16:43:17,334 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:43:17,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:43:17,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:43:17,335 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:43:17,342 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:43:17,343 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:43:17,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:43:17,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:43:17,343 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:43:17,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:43:17,344 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:43:17,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:43:17,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:43:17,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:43:17,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:43:17,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:43:17,344 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:43:17,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:43:17,344 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:43:17,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:43:17,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:43:17,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:43:17,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:43:17,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:43:17,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:43:17,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:43:17,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:43:17,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:43:17,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:43:17,345 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:43:17,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:43:17,345 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:43:17,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:43:17,346 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:43:17,346 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_dcda83c5-0773-4fd3-815d-f95471ca6062/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcda83c5-0773-4fd3-815d-f95471ca6062/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9aa5952472dbeb6618cec7fdd0bb8055353b44c3217fc947526ab45fd071ee87 [2022-12-13 16:43:17,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:43:17,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:43:17,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:43:17,520 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:43:17,521 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:43:17,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcda83c5-0773-4fd3-815d-f95471ca6062/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_66_good.i [2022-12-13 16:43:20,092 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:43:20,340 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:43:20,341 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcda83c5-0773-4fd3-815d-f95471ca6062/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_66_good.i [2022-12-13 16:43:20,359 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcda83c5-0773-4fd3-815d-f95471ca6062/bin/uautomizer-uyxdKDjOR8/data/213d010fb/434a27ac635d45a594598a2fb4f1a862/FLAG118e4702d [2022-12-13 16:43:20,370 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcda83c5-0773-4fd3-815d-f95471ca6062/bin/uautomizer-uyxdKDjOR8/data/213d010fb/434a27ac635d45a594598a2fb4f1a862 [2022-12-13 16:43:20,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:43:20,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:43:20,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:43:20,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:43:20,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:43:20,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:43:20" (1/1) ... [2022-12-13 16:43:20,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8888de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:43:20, skipping insertion in model container [2022-12-13 16:43:20,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:43:20" (1/1) ... [2022-12-13 16:43:20,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:43:20,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:43:20,665 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:43:20,947 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:43:20,952 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:43:20,953 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:43:20,955 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:43:20,956 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:43:20,979 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 16:43:20,982 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:43:20,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:43:20,994 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:43:21,008 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:43:21,040 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:43:21,042 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:43:21,042 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:43:21,044 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:43:21,045 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:43:21,048 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 16:43:21,050 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:43:21,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:43:21,163 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:43:21,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:43:21 WrapperNode [2022-12-13 16:43:21,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:43:21,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:43:21,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:43:21,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:43:21,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:43:21" (1/1) ... [2022-12-13 16:43:21,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:43:21" (1/1) ... [2022-12-13 16:43:21,215 INFO L138 Inliner]: procedures = 504, calls = 77, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 81 [2022-12-13 16:43:21,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:43:21,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:43:21,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:43:21,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:43:21,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:43:21" (1/1) ... [2022-12-13 16:43:21,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:43:21" (1/1) ... [2022-12-13 16:43:21,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:43:21" (1/1) ... [2022-12-13 16:43:21,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:43:21" (1/1) ... [2022-12-13 16:43:21,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:43:21" (1/1) ... [2022-12-13 16:43:21,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:43:21" (1/1) ... [2022-12-13 16:43:21,238 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:43:21" (1/1) ... [2022-12-13 16:43:21,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:43:21" (1/1) ... [2022-12-13 16:43:21,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:43:21,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:43:21,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:43:21,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:43:21,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:43:21" (1/1) ... [2022-12-13 16:43:21,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:43:21,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcda83c5-0773-4fd3-815d-f95471ca6062/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:43:21,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcda83c5-0773-4fd3-815d-f95471ca6062/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:43:21,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcda83c5-0773-4fd3-815d-f95471ca6062/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:43:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 16:43:21,307 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 16:43:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 16:43:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:43:21,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:43:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 16:43:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 16:43:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 16:43:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:43:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:43:21,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:43:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 16:43:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:43:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 16:43:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:43:21,417 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:43:21,419 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:43:21,560 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:43:21,565 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:43:21,565 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:43:21,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:43:21 BoogieIcfgContainer [2022-12-13 16:43:21,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:43:21,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:43:21,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:43:21,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:43:21,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:43:20" (1/3) ... [2022-12-13 16:43:21,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40855b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:43:21, skipping insertion in model container [2022-12-13 16:43:21,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:43:21" (2/3) ... [2022-12-13 16:43:21,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40855b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:43:21, skipping insertion in model container [2022-12-13 16:43:21,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:43:21" (3/3) ... [2022-12-13 16:43:21,574 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_66_good.i [2022-12-13 16:43:21,588 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:43:21,588 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 16:43:21,625 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:43:21,629 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;@87cb361, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:43:21,630 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 16:43:21,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 25 states have (on average 1.36) internal successors, (34), 33 states have internal predecessors, (34), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 16:43:21,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 16:43:21,639 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:43:21,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:43:21,640 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 16:43:21,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:43:21,645 INFO L85 PathProgramCache]: Analyzing trace with hash 2026118195, now seen corresponding path program 1 times [2022-12-13 16:43:21,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:43:21,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483452757] [2022-12-13 16:43:21,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:43:21,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:43:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:21,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:43:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:21,960 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 16:43:21,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:43:21,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483452757] [2022-12-13 16:43:21,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483452757] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:43:21,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:43:21,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:43:21,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78562121] [2022-12-13 16:43:21,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:43:21,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:43:21,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:43:21,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:43:21,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:43:21,999 INFO L87 Difference]: Start difference. First operand has 38 states, 25 states have (on average 1.36) internal successors, (34), 33 states have internal predecessors, (34), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 16:43:22,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:43:22,024 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2022-12-13 16:43:22,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:43:22,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 10 [2022-12-13 16:43:22,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:43:22,031 INFO L225 Difference]: With dead ends: 38 [2022-12-13 16:43:22,031 INFO L226 Difference]: Without dead ends: 27 [2022-12-13 16:43:22,033 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 16:43:22,035 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 23 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:43:22,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 55 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:43:22,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-12-13 16:43:22,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-12-13 16:43:22,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.263157894736842) internal successors, (24), 23 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 16:43:22,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-12-13 16:43:22,071 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 10 [2022-12-13 16:43:22,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:43:22,072 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-12-13 16:43:22,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 16:43:22,072 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-12-13 16:43:22,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 16:43:22,074 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:43:22,074 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:43:22,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:43:22,074 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 16:43:22,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:43:22,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1614845344, now seen corresponding path program 1 times [2022-12-13 16:43:22,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:43:22,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369723776] [2022-12-13 16:43:22,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:43:22,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:43:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:22,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:43:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:22,131 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 16:43:22,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:43:22,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369723776] [2022-12-13 16:43:22,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369723776] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:43:22,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:43:22,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:43:22,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793818283] [2022-12-13 16:43:22,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:43:22,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:43:22,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:43:22,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:43:22,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:43:22,140 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 3 states, 2 states have (on average 4.5) 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 16:43:22,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:43:22,155 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2022-12-13 16:43:22,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:43:22,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) 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 16:43:22,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:43:22,156 INFO L225 Difference]: With dead ends: 42 [2022-12-13 16:43:22,156 INFO L226 Difference]: Without dead ends: 26 [2022-12-13 16:43:22,157 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 16:43:22,158 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 11 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:43:22,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 37 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:43:22,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-13 16:43:22,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-12-13 16:43:22,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 21 states have internal predecessors, (22), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 16:43:22,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2022-12-13 16:43:22,164 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 11 [2022-12-13 16:43:22,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:43:22,164 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2022-12-13 16:43:22,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) 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 16:43:22,165 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-12-13 16:43:22,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 16:43:22,165 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:43:22,166 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:43:22,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:43:22,166 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 16:43:22,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:43:22,167 INFO L85 PathProgramCache]: Analyzing trace with hash -721967520, now seen corresponding path program 1 times [2022-12-13 16:43:22,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:43:22,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099672989] [2022-12-13 16:43:22,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:43:22,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:43:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:22,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:43:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:22,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:43:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:22,242 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 16:43:22,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:43:22,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099672989] [2022-12-13 16:43:22,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099672989] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:43:22,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:43:22,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:43:22,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794386963] [2022-12-13 16:43:22,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:43:22,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:43:22,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:43:22,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:43:22,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:43:22,245 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 16:43:22,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:43:22,255 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2022-12-13 16:43:22,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:43:22,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-12-13 16:43:22,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:43:22,256 INFO L225 Difference]: With dead ends: 26 [2022-12-13 16:43:22,256 INFO L226 Difference]: Without dead ends: 25 [2022-12-13 16:43:22,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 16:43:22,258 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 2 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:43:22,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 47 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:43:22,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-12-13 16:43:22,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-12-13 16:43:22,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.105263157894737) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 16:43:22,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2022-12-13 16:43:22,263 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 22 [2022-12-13 16:43:22,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:43:22,263 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2022-12-13 16:43:22,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 16:43:22,263 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2022-12-13 16:43:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 16:43:22,264 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:43:22,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:43:22,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 16:43:22,264 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 16:43:22,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:43:22,265 INFO L85 PathProgramCache]: Analyzing trace with hash -906156564, now seen corresponding path program 1 times [2022-12-13 16:43:22,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:43:22,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094385513] [2022-12-13 16:43:22,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:43:22,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:43:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:22,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:43:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:22,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:43:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:22,320 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 16:43:22,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:43:22,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094385513] [2022-12-13 16:43:22,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094385513] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:43:22,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:43:22,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:43:22,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479279262] [2022-12-13 16:43:22,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:43:22,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:43:22,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:43:22,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:43:22,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:43:22,323 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 16:43:22,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:43:22,329 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2022-12-13 16:43:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:43:22,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-12-13 16:43:22,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:43:22,330 INFO L225 Difference]: With dead ends: 25 [2022-12-13 16:43:22,330 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 16:43:22,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 16:43:22,332 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:43:22,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:43:22,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 16:43:22,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 16:43:22,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:43:22,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 16:43:22,333 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2022-12-13 16:43:22,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:43:22,334 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 16:43:22,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 16:43:22,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 16:43:22,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 16:43:22,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-13 16:43:22,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-13 16:43:22,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-13 16:43:22,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-13 16:43:22,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 16:43:22,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 16:43:22,361 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 16:43:22,361 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 16:43:22,361 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 16:43:22,361 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 16:43:22,361 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 16:43:22,361 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 16:43:22,361 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 16:43:22,362 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1615) no Hoare annotation was computed. [2022-12-13 16:43:22,362 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2022-12-13 16:43:22,362 INFO L899 garLoopResultBuilder]: For program point L1596(line 1596) no Hoare annotation was computed. [2022-12-13 16:43:22,362 INFO L899 garLoopResultBuilder]: For program point L1596-1(line 1596) no Hoare annotation was computed. [2022-12-13 16:43:22,362 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1577) no Hoare annotation was computed. [2022-12-13 16:43:22,362 INFO L895 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: (<= 0 (+ 1073741824 |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_multiply_66b_goodG2BSink_~data~2#1|)) [2022-12-13 16:43:22,362 INFO L899 garLoopResultBuilder]: For program point L1588-1(line 1588) no Hoare annotation was computed. [2022-12-13 16:43:22,362 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1583 1590) the Hoare annotation is: (<= 0 (+ 1073741824 |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_multiply_66b_goodG2BSink_~data~2#1|)) [2022-12-13 16:43:22,363 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1613) no Hoare annotation was computed. [2022-12-13 16:43:22,363 INFO L895 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_multiply_66b_goodG2BSink_~data~2#1| 1) 0) (<= 0 (+ 1073741824 |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_multiply_66b_goodG2BSink_~data~2#1|))) [2022-12-13 16:43:22,363 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 1566 1573) no Hoare annotation was computed. [2022-12-13 16:43:22,363 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 16:43:22,363 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1596) no Hoare annotation was computed. [2022-12-13 16:43:22,363 INFO L895 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_multiply_66b_goodG2BSink_~data~2#1| 1) 0) (<= 0 (+ 1073741824 |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_multiply_66b_goodG2BSink_~data~2#1|))) [2022-12-13 16:43:22,363 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 16:43:22,363 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1596) no Hoare annotation was computed. [2022-12-13 16:43:22,364 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 16:43:22,364 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1598) no Hoare annotation was computed. [2022-12-13 16:43:22,364 INFO L902 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: true [2022-12-13 16:43:22,364 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2022-12-13 16:43:22,364 INFO L899 garLoopResultBuilder]: For program point L1549(lines 1549 1557) no Hoare annotation was computed. [2022-12-13 16:43:22,364 INFO L899 garLoopResultBuilder]: For program point L1578(lines 1578 1582) no Hoare annotation was computed. [2022-12-13 16:43:22,364 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 16:43:22,364 INFO L899 garLoopResultBuilder]: For program point L1607(line 1607) no Hoare annotation was computed. [2022-12-13 16:43:22,364 INFO L899 garLoopResultBuilder]: For program point L1607-1(line 1607) no Hoare annotation was computed. [2022-12-13 16:43:22,364 INFO L899 garLoopResultBuilder]: For program point L1603(lines 1603 1614) no Hoare annotation was computed. [2022-12-13 16:43:22,365 INFO L899 garLoopResultBuilder]: For program point L1566(lines 1566 1573) no Hoare annotation was computed. [2022-12-13 16:43:22,365 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2022-12-13 16:43:22,365 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1599) no Hoare annotation was computed. [2022-12-13 16:43:22,365 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: (<= 0 (+ 1073741824 |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_multiply_66b_goodG2BSink_~data~2#1|)) [2022-12-13 16:43:22,365 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: (<= 0 (+ 1073741824 |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_multiply_66b_goodG2BSink_~data~2#1|)) [2022-12-13 16:43:22,368 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 16:43:22,370 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:43:22,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:43:22 BoogieIcfgContainer [2022-12-13 16:43:22,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:43:22,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:43:22,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:43:22,380 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:43:22,380 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:43:21" (3/4) ... [2022-12-13 16:43:22,382 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 16:43:22,387 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 16:43:22,387 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 16:43:22,390 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-12-13 16:43:22,390 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 16:43:22,390 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 16:43:22,390 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 16:43:22,415 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcda83c5-0773-4fd3-815d-f95471ca6062/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:43:22,415 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:43:22,415 INFO L158 Benchmark]: Toolchain (without parser) took 2042.11ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 96.2MB in the beginning and 112.6MB in the end (delta: -16.5MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2022-12-13 16:43:22,415 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:43:22,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 790.15ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 96.2MB in the beginning and 146.3MB in the end (delta: -50.1MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2022-12-13 16:43:22,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.77ms. Allocated memory is still 186.6MB. Free memory was 146.3MB in the beginning and 144.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:43:22,416 INFO L158 Benchmark]: Boogie Preprocessor took 26.24ms. Allocated memory is still 186.6MB. Free memory was 144.2MB in the beginning and 142.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:43:22,416 INFO L158 Benchmark]: RCFGBuilder took 324.33ms. Allocated memory is still 186.6MB. Free memory was 142.1MB in the beginning and 126.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 16:43:22,416 INFO L158 Benchmark]: TraceAbstraction took 810.38ms. Allocated memory is still 186.6MB. Free memory was 126.4MB in the beginning and 115.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2022-12-13 16:43:22,417 INFO L158 Benchmark]: Witness Printer took 35.21ms. Allocated memory is still 186.6MB. Free memory was 115.8MB in the beginning and 112.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:43:22,418 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 140.5MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 790.15ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 96.2MB in the beginning and 146.3MB in the end (delta: -50.1MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.77ms. Allocated memory is still 186.6MB. Free memory was 146.3MB in the beginning and 144.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.24ms. Allocated memory is still 186.6MB. Free memory was 144.2MB in the beginning and 142.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 324.33ms. Allocated memory is still 186.6MB. Free memory was 142.1MB in the beginning and 126.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 810.38ms. Allocated memory is still 186.6MB. Free memory was 126.4MB in the beginning and 115.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Witness Printer took 35.21ms. Allocated memory is still 186.6MB. Free memory was 115.8MB in the beginning and 112.6MB in the end (delta: 3.1MB). 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 - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 38 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 185 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 71 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 114 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 14 PreInvPairs, 15 NumberOfFragments, 45 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 94 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1583]: Loop Invariant Derived loop invariant: 0 <= 1073741824 + data RESULT: Ultimate proved your program to be correct! [2022-12-13 16:43:22,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcda83c5-0773-4fd3-815d-f95471ca6062/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 Writing output log to file Ultimate.log Result: TRUE