./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_17_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_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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_94942229-83c5-4455-99f9-8858a0bbd4fe/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 a7bf12efb165ae38e6a5b7ea360f1f04cc4b40bbbbde4906a6f5fa41669f98f5 --- 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 11:51:26,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:51:26,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:51:26,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:51:26,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:51:26,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:51:26,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:51:26,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:51:26,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:51:26,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:51:26,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:51:26,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:51:26,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:51:26,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:51:26,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:51:26,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:51:26,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:51:26,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:51:26,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:51:26,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:51:26,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:51:26,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:51:26,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:51:26,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:51:26,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:51:26,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:51:26,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:51:26,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:51:26,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:51:26,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:51:26,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:51:26,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:51:26,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:51:26,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:51:26,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:51:26,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:51:26,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:51:26,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:51:26,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:51:26,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:51:26,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:51:26,489 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 11:51:26,504 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:51:26,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:51:26,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:51:26,505 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:51:26,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:51:26,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:51:26,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:51:26,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:51:26,506 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:51:26,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:51:26,507 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:51:26,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:51:26,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:51:26,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:51:26,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:51:26,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:51:26,507 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 11:51:26,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:51:26,507 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:51:26,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:51:26,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:51:26,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:51:26,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:51:26,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:51:26,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:51:26,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:51:26,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:51:26,509 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:51:26,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:51:26,509 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:51:26,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:51:26,509 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:51:26,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:51:26,509 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:51:26,509 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_94942229-83c5-4455-99f9-8858a0bbd4fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7bf12efb165ae38e6a5b7ea360f1f04cc4b40bbbbde4906a6f5fa41669f98f5 [2022-12-13 11:51:26,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:51:26,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:51:26,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:51:26,709 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:51:26,710 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:51:26,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_17_bad.i [2022-12-13 11:51:29,280 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:51:29,496 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:51:29,496 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_17_bad.i [2022-12-13 11:51:29,508 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/data/afa84ce3f/7b98acb700354912b9828f473aef1eca/FLAG5ae6748e4 [2022-12-13 11:51:29,830 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/data/afa84ce3f/7b98acb700354912b9828f473aef1eca [2022-12-13 11:51:29,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:51:29,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:51:29,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:51:29,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:51:29,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:51:29,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:51:29" (1/1) ... [2022-12-13 11:51:29,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dcbc3d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:29, skipping insertion in model container [2022-12-13 11:51:29,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:51:29" (1/1) ... [2022-12-13 11:51:29,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:51:29,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:51:30,100 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 11:51:30,410 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 11:51:30,415 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:51:30,416 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:51:30,418 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:51:30,418 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:51:30,437 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 11:51:30,440 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 11:51:30,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:51:30,449 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:51:30,464 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 11:51:30,498 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 11:51:30,499 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:51:30,500 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:51:30,501 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:51:30,502 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:51:30,505 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 11:51:30,506 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 11:51:30,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:51:30,602 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:51:30,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:30 WrapperNode [2022-12-13 11:51:30,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:51:30,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:51:30,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:51:30,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:51:30,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:30" (1/1) ... [2022-12-13 11:51:30,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:30" (1/1) ... [2022-12-13 11:51:30,640 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2022-12-13 11:51:30,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:51:30,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:51:30,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:51:30,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:51:30,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:30" (1/1) ... [2022-12-13 11:51:30,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:30" (1/1) ... [2022-12-13 11:51:30,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:30" (1/1) ... [2022-12-13 11:51:30,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:30" (1/1) ... [2022-12-13 11:51:30,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:30" (1/1) ... [2022-12-13 11:51:30,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:30" (1/1) ... [2022-12-13 11:51:30,658 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:30" (1/1) ... [2022-12-13 11:51:30,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:30" (1/1) ... [2022-12-13 11:51:30,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:51:30,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:51:30,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:51:30,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:51:30,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:30" (1/1) ... [2022-12-13 11:51:30,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:51:30,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:51:30,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:51:30,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:51:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 11:51:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 11:51:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 11:51:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:51:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 11:51:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:51:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:51:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:51:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:51:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 11:51:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:51:30,830 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:51:30,832 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:51:30,937 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:51:30,942 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:51:30,942 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 11:51:30,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:51:30 BoogieIcfgContainer [2022-12-13 11:51:30,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:51:30,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:51:30,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:51:30,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:51:30,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:51:29" (1/3) ... [2022-12-13 11:51:30,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a0cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:51:30, skipping insertion in model container [2022-12-13 11:51:30,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:30" (2/3) ... [2022-12-13 11:51:30,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a0cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:51:30, skipping insertion in model container [2022-12-13 11:51:30,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:51:30" (3/3) ... [2022-12-13 11:51:30,951 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_17_bad.i [2022-12-13 11:51:30,966 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:51:30,966 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-13 11:51:31,003 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:51:31,008 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;@47758fa0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:51:31,008 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-13 11:51:31,011 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 24 states have (on average 1.5) internal successors, (36), 31 states have internal predecessors, (36), 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 11:51:31,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 11:51:31,017 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:51:31,018 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:51:31,018 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 11:51:31,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:51:31,022 INFO L85 PathProgramCache]: Analyzing trace with hash 14720671, now seen corresponding path program 1 times [2022-12-13 11:51:31,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:51:31,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213653443] [2022-12-13 11:51:31,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:51:31,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:51:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:51:31,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:51:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:51:31,202 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 11:51:31,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:51:31,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213653443] [2022-12-13 11:51:31,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213653443] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:51:31,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:51:31,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:51:31,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255203736] [2022-12-13 11:51:31,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:51:31,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:51:31,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:51:31,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:51:31,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:51:31,232 INFO L87 Difference]: Start difference. First operand has 35 states, 24 states have (on average 1.5) internal successors, (36), 31 states have internal predecessors, (36), 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 3.3333333333333335) internal successors, (10), 3 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 11:51:31,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:51:31,263 INFO L93 Difference]: Finished difference Result 66 states and 79 transitions. [2022-12-13 11:51:31,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:51:31,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 11:51:31,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:51:31,270 INFO L225 Difference]: With dead ends: 66 [2022-12-13 11:51:31,270 INFO L226 Difference]: Without dead ends: 38 [2022-12-13 11:51:31,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 11:51:31,274 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 8 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:51:31,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 74 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:51:31,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-12-13 11:51:31,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2022-12-13 11:51:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 27 states have internal predecessors, (30), 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 11:51:31,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2022-12-13 11:51:31,302 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 12 [2022-12-13 11:51:31,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:51:31,302 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2022-12-13 11:51:31,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 11:51:31,302 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-12-13 11:51:31,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 11:51:31,303 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:51:31,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:51:31,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:51:31,304 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 11:51:31,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:51:31,304 INFO L85 PathProgramCache]: Analyzing trace with hash 457723184, now seen corresponding path program 1 times [2022-12-13 11:51:31,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:51:31,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824215698] [2022-12-13 11:51:31,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:51:31,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:51:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:51:31,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:51:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:51:31,404 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 11:51:31,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:51:31,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824215698] [2022-12-13 11:51:31,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824215698] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:51:31,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:51:31,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:51:31,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562809375] [2022-12-13 11:51:31,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:51:31,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:51:31,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:51:31,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:51:31,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:51:31,407 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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 11:51:31,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:51:31,439 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2022-12-13 11:51:31,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:51:31,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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 11:51:31,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:51:31,440 INFO L225 Difference]: With dead ends: 38 [2022-12-13 11:51:31,441 INFO L226 Difference]: Without dead ends: 36 [2022-12-13 11:51:31,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:51:31,442 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 4 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:51:31,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 85 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:51:31,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-12-13 11:51:31,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-12-13 11:51:31,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 33 states have internal predecessors, (36), 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 11:51:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2022-12-13 11:51:31,446 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 13 [2022-12-13 11:51:31,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:51:31,446 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2022-12-13 11:51:31,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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 11:51:31,447 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2022-12-13 11:51:31,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-13 11:51:31,447 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:51:31,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:51:31,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:51:31,448 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 11:51:31,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:51:31,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1818569638, now seen corresponding path program 1 times [2022-12-13 11:51:31,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:51:31,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945686080] [2022-12-13 11:51:31,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:51:31,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:51:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:51:31,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:51:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:51:31,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:51:31,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:51:31,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945686080] [2022-12-13 11:51:31,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945686080] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:51:31,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:51:31,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:51:31,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40565564] [2022-12-13 11:51:31,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:51:31,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:51:31,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:51:31,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:51:31,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:51:31,569 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 11:51:31,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:51:31,588 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2022-12-13 11:51:31,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:51:31,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 18 [2022-12-13 11:51:31,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:51:31,589 INFO L225 Difference]: With dead ends: 36 [2022-12-13 11:51:31,590 INFO L226 Difference]: Without dead ends: 35 [2022-12-13 11:51:31,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:51:31,591 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 15 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:51:31,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 64 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:51:31,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-12-13 11:51:31,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-12-13 11:51:31,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 32 states have internal predecessors, (35), 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 11:51:31,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2022-12-13 11:51:31,598 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 18 [2022-12-13 11:51:31,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:51:31,598 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2022-12-13 11:51:31,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 11:51:31,598 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-12-13 11:51:31,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 11:51:31,599 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:51:31,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:51:31,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:51:31,599 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 11:51:31,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:51:31,600 INFO L85 PathProgramCache]: Analyzing trace with hash 541084010, now seen corresponding path program 1 times [2022-12-13 11:51:31,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:51:31,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59193474] [2022-12-13 11:51:31,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:51:31,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:51:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:51:31,621 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:51:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:51:31,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:51:31,655 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 11:51:31,656 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-12-13 11:51:31,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-12-13 11:51:31,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-12-13 11:51:31,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-12-13 11:51:31,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-12-13 11:51:31,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-12-13 11:51:31,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 11:51:31,662 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 11:51:31,666 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:51:31,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:51:31 BoogieIcfgContainer [2022-12-13 11:51:31,693 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:51:31,693 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:51:31,693 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:51:31,693 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:51:31,694 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:51:30" (3/4) ... [2022-12-13 11:51:31,697 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 11:51:31,697 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:51:31,697 INFO L158 Benchmark]: Toolchain (without parser) took 1863.97ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 108.5MB in the beginning and 127.1MB in the end (delta: -18.6MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-12-13 11:51:31,698 INFO L158 Benchmark]: CDTParser took 0.17ms. 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 11:51:31,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 768.40ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 108.5MB in the beginning and 143.0MB in the end (delta: -34.5MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2022-12-13 11:51:31,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.17ms. Allocated memory is still 186.6MB. Free memory was 143.0MB in the beginning and 139.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:51:31,699 INFO L158 Benchmark]: Boogie Preprocessor took 19.57ms. Allocated memory is still 186.6MB. Free memory was 139.9MB in the beginning and 138.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:51:31,699 INFO L158 Benchmark]: RCFGBuilder took 283.26ms. Allocated memory is still 186.6MB. Free memory was 137.8MB in the beginning and 124.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 11:51:31,699 INFO L158 Benchmark]: TraceAbstraction took 746.51ms. Allocated memory is still 186.6MB. Free memory was 124.1MB in the beginning and 127.1MB in the end (delta: -2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:51:31,699 INFO L158 Benchmark]: Witness Printer took 3.72ms. Allocated memory is still 186.6MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:51:31,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 144.7MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 768.40ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 108.5MB in the beginning and 143.0MB in the end (delta: -34.5MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.17ms. Allocated memory is still 186.6MB. Free memory was 143.0MB in the beginning and 139.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.57ms. Allocated memory is still 186.6MB. Free memory was 139.9MB in the beginning and 138.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 283.26ms. Allocated memory is still 186.6MB. Free memory was 137.8MB in the beginning and 124.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 746.51ms. Allocated memory is still 186.6MB. Free memory was 124.1MB in the beginning and 127.1MB in the end (delta: -2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.72ms. Allocated memory is still 186.6MB. Free memory is still 127.1MB. 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559. 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] [L1579] 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) [L1579] RET printLine("Calling bad()...") VAL [\old(argc)=2147483653, argc=2147483653, argv={2147483650:2147483654}, argv={2147483650:2147483654}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] CALL CWE190_Integer_Overflow__int_fgets_postinc_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND TRUE i < 1 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1556] 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, i=0] [L1553] i++ 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, i=1] [L1553] COND FALSE !(i < 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, i=1] [L1567] j = 0 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, i=1, j=0] [L1567] COND TRUE j < 1 [L1570] data++ VAL [data=2147483647, 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, i=1, j=0] - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1567]: 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, 35 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 223 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 126 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 97 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=2, InterpolantAutomatonStates: 11, 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, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 84 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1/1 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 11:51:31,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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_94942229-83c5-4455-99f9-8858a0bbd4fe/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 a7bf12efb165ae38e6a5b7ea360f1f04cc4b40bbbbde4906a6f5fa41669f98f5 --- 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 11:51:33,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:51:33,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:51:33,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:51:33,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:51:33,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:51:33,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:51:33,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:51:33,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:51:33,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:51:33,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:51:33,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:51:33,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:51:33,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:51:33,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:51:33,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:51:33,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:51:33,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:51:33,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:51:33,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:51:33,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:51:33,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:51:33,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:51:33,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:51:33,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:51:33,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:51:33,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:51:33,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:51:33,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:51:33,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:51:33,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:51:33,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:51:33,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:51:33,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:51:33,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:51:33,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:51:33,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:51:33,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:51:33,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:51:33,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:51:33,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:51:33,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 11:51:33,316 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:51:33,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:51:33,317 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:51:33,317 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:51:33,317 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:51:33,317 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:51:33,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:51:33,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:51:33,318 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:51:33,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:51:33,318 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:51:33,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:51:33,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:51:33,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:51:33,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:51:33,319 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 11:51:33,319 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 11:51:33,319 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 11:51:33,319 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 11:51:33,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:51:33,320 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:51:33,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:51:33,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:51:33,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:51:33,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:51:33,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:51:33,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:51:33,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:51:33,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:51:33,321 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 11:51:33,321 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 11:51:33,321 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:51:33,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:51:33,321 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:51:33,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:51:33,321 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 11:51:33,321 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:51:33,322 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_94942229-83c5-4455-99f9-8858a0bbd4fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7bf12efb165ae38e6a5b7ea360f1f04cc4b40bbbbde4906a6f5fa41669f98f5 [2022-12-13 11:51:33,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:51:33,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:51:33,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:51:33,542 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:51:33,542 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:51:33,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_17_bad.i [2022-12-13 11:51:36,197 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:51:36,470 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:51:36,471 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_17_bad.i [2022-12-13 11:51:36,491 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/data/224d4b13f/99ed565f91c34a8f9add04f7b19c581c/FLAG015bb0eef [2022-12-13 11:51:36,506 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/data/224d4b13f/99ed565f91c34a8f9add04f7b19c581c [2022-12-13 11:51:36,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:51:36,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:51:36,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:51:36,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:51:36,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:51:36,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:51:36" (1/1) ... [2022-12-13 11:51:36,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec65281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:36, skipping insertion in model container [2022-12-13 11:51:36,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:51:36" (1/1) ... [2022-12-13 11:51:36,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:51:36,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:51:36,846 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 11:51:37,112 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 11:51:37,117 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:51:37,118 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:51:37,119 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:51:37,119 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:51:37,135 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 11:51:37,137 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 11:51:37,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:51:37,148 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:51:37,161 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 11:51:37,200 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 11:51:37,201 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:51:37,202 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:51:37,203 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:51:37,204 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:51:37,207 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 11:51:37,209 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 11:51:37,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:51:37,316 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:51:37,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:37 WrapperNode [2022-12-13 11:51:37,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:51:37,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:51:37,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:51:37,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:51:37,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:37" (1/1) ... [2022-12-13 11:51:37,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:37" (1/1) ... [2022-12-13 11:51:37,366 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2022-12-13 11:51:37,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:51:37,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:51:37,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:51:37,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:51:37,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:37" (1/1) ... [2022-12-13 11:51:37,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:37" (1/1) ... [2022-12-13 11:51:37,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:37" (1/1) ... [2022-12-13 11:51:37,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:37" (1/1) ... [2022-12-13 11:51:37,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:37" (1/1) ... [2022-12-13 11:51:37,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:37" (1/1) ... [2022-12-13 11:51:37,395 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:37" (1/1) ... [2022-12-13 11:51:37,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:37" (1/1) ... [2022-12-13 11:51:37,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:51:37,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:51:37,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:51:37,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:51:37,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:37" (1/1) ... [2022-12-13 11:51:37,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:51:37,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:51:37,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:51:37,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:51:37,456 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 11:51:37,457 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 11:51:37,457 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 11:51:37,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:51:37,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 11:51:37,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:51:37,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:51:37,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:51:37,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:51:37,457 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 11:51:37,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 11:51:37,584 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:51:37,587 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:51:37,741 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:51:37,750 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:51:37,750 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 11:51:37,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:51:37 BoogieIcfgContainer [2022-12-13 11:51:37,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:51:37,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:51:37,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:51:37,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:51:37,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:51:36" (1/3) ... [2022-12-13 11:51:37,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f08c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:51:37, skipping insertion in model container [2022-12-13 11:51:37,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:51:37" (2/3) ... [2022-12-13 11:51:37,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f08c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:51:37, skipping insertion in model container [2022-12-13 11:51:37,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:51:37" (3/3) ... [2022-12-13 11:51:37,761 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_17_bad.i [2022-12-13 11:51:37,780 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:51:37,780 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-13 11:51:37,829 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:51:37,835 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;@eec5992, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:51:37,836 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-13 11:51:37,839 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 24 states have (on average 1.5) internal successors, (36), 31 states have internal predecessors, (36), 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 11:51:37,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 11:51:37,847 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:51:37,848 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:51:37,849 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 11:51:37,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:51:37,854 INFO L85 PathProgramCache]: Analyzing trace with hash 14720671, now seen corresponding path program 1 times [2022-12-13 11:51:37,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:51:37,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [714071647] [2022-12-13 11:51:37,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:51:37,867 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 11:51:37,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:51:37,868 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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 11:51:37,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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 11:51:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:51:37,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 11:51:37,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:51:37,987 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 11:51:37,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:51:37,988 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:51:37,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [714071647] [2022-12-13 11:51:37,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [714071647] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:51:37,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:51:37,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 11:51:37,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345958943] [2022-12-13 11:51:37,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:51:37,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 11:51:37,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:51:38,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 11:51:38,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:51:38,021 INFO L87 Difference]: Start difference. First operand has 35 states, 24 states have (on average 1.5) internal successors, (36), 31 states have internal predecessors, (36), 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 10.0) 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 11:51:38,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:51:38,036 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2022-12-13 11:51:38,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 11:51:38,037 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 10.0) 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 11:51:38,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:51:38,042 INFO L225 Difference]: With dead ends: 55 [2022-12-13 11:51:38,042 INFO L226 Difference]: Without dead ends: 26 [2022-12-13 11:51:38,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 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 11:51:38,047 INFO L413 NwaCegarLoop]: 37 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, 37 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 11:51:38,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:51:38,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-13 11:51:38,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-12-13 11:51:38,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 20 states have (on average 1.3) internal successors, (26), 23 states have internal predecessors, (26), 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 11:51:38,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2022-12-13 11:51:38,073 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 12 [2022-12-13 11:51:38,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:51:38,074 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2022-12-13 11:51:38,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 10.0) 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 11:51:38,074 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-12-13 11:51:38,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 11:51:38,075 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:51:38,075 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:51:38,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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 11:51:38,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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 11:51:38,277 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 11:51:38,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:51:38,277 INFO L85 PathProgramCache]: Analyzing trace with hash 456340881, now seen corresponding path program 1 times [2022-12-13 11:51:38,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:51:38,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [788268383] [2022-12-13 11:51:38,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:51:38,279 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 11:51:38,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:51:38,280 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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 11:51:38,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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 11:51:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:51:38,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:51:38,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:51:38,432 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 11:51:38,432 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:51:38,433 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:51:38,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [788268383] [2022-12-13 11:51:38,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [788268383] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:51:38,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:51:38,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:51:38,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325225636] [2022-12-13 11:51:38,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:51:38,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:51:38,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:51:38,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:51:38,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:51:38,436 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) 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 11:51:38,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:51:38,463 INFO L93 Difference]: Finished difference Result 44 states and 51 transitions. [2022-12-13 11:51:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:51:38,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) 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 11:51:38,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:51:38,465 INFO L225 Difference]: With dead ends: 44 [2022-12-13 11:51:38,465 INFO L226 Difference]: Without dead ends: 34 [2022-12-13 11:51:38,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 11:51:38,467 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 7 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:51:38,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 54 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:51:38,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-12-13 11:51:38,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 27. [2022-12-13 11:51:38,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 24 states have internal predecessors, (27), 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 11:51:38,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-12-13 11:51:38,474 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 13 [2022-12-13 11:51:38,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:51:38,474 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-12-13 11:51:38,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) 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 11:51:38,474 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-12-13 11:51:38,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 11:51:38,475 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:51:38,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:51:38,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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 11:51:38,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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 11:51:38,677 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 11:51:38,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:51:38,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1304516880, now seen corresponding path program 1 times [2022-12-13 11:51:38,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:51:38,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745047951] [2022-12-13 11:51:38,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:51:38,681 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 11:51:38,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:51:38,685 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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 11:51:38,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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 11:51:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:51:38,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 11:51:38,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:51:38,887 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 11:51:38,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:51:38,888 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:51:38,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745047951] [2022-12-13 11:51:38,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745047951] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:51:38,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:51:38,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:51:38,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485963083] [2022-12-13 11:51:38,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:51:38,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:51:38,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:51:38,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:51:38,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:51:38,890 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 11:51:38,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:51:38,934 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2022-12-13 11:51:38,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:51:38,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 14 [2022-12-13 11:51:38,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:51:38,935 INFO L225 Difference]: With dead ends: 34 [2022-12-13 11:51:38,935 INFO L226 Difference]: Without dead ends: 33 [2022-12-13 11:51:38,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:51:38,937 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 3 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:51:38,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 77 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:51:38,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-12-13 11:51:38,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-12-13 11:51:38,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 30 states have internal predecessors, (33), 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 11:51:38,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2022-12-13 11:51:38,942 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 14 [2022-12-13 11:51:38,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:51:38,943 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2022-12-13 11:51:38,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 11:51:38,943 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2022-12-13 11:51:38,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 11:51:38,943 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:51:38,944 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:51:38,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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 11:51:39,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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 11:51:39,146 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 11:51:39,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:51:39,148 INFO L85 PathProgramCache]: Analyzing trace with hash 541084010, now seen corresponding path program 1 times [2022-12-13 11:51:39,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:51:39,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [625904380] [2022-12-13 11:51:39,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:51:39,151 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 11:51:39,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:51:39,155 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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 11:51:39,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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 (5)] Waiting until timeout for monitored process [2022-12-13 11:51:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:51:39,294 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:51:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:51:39,354 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 11:51:39,355 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 11:51:39,356 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-12-13 11:51:39,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-12-13 11:51:39,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-12-13 11:51:39,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-12-13 11:51:39,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-12-13 11:51:39,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-12-13 11:51:39,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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 (5)] Ended with exit code 0 [2022-12-13 11:51:39,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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 11:51:39,564 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 11:51:39,569 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:51:39,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:51:39 BoogieIcfgContainer [2022-12-13 11:51:39,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:51:39,612 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:51:39,612 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:51:39,612 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:51:39,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:51:37" (3/4) ... [2022-12-13 11:51:39,615 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 11:51:39,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:51:39,616 INFO L158 Benchmark]: Toolchain (without parser) took 3106.34ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 40.3MB in the beginning and 44.1MB in the end (delta: -3.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-12-13 11:51:39,617 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory is still 28.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:51:39,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 805.62ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 40.1MB in the beginning and 51.5MB in the end (delta: -11.4MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-12-13 11:51:39,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.59ms. Allocated memory is still 79.7MB. Free memory was 51.5MB in the beginning and 48.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:51:39,618 INFO L158 Benchmark]: Boogie Preprocessor took 31.62ms. Allocated memory is still 79.7MB. Free memory was 48.3MB in the beginning and 46.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:51:39,618 INFO L158 Benchmark]: RCFGBuilder took 352.92ms. Allocated memory is still 79.7MB. Free memory was 46.2MB in the beginning and 52.3MB in the end (delta: -6.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 11:51:39,619 INFO L158 Benchmark]: TraceAbstraction took 1856.38ms. Allocated memory is still 79.7MB. Free memory was 51.9MB in the beginning and 44.5MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2022-12-13 11:51:39,619 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 79.7MB. Free memory was 44.5MB in the beginning and 44.1MB in the end (delta: 431.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:51:39,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory is still 28.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 805.62ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 40.1MB in the beginning and 51.5MB in the end (delta: -11.4MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.59ms. Allocated memory is still 79.7MB. Free memory was 51.5MB in the beginning and 48.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.62ms. Allocated memory is still 79.7MB. Free memory was 48.3MB in the beginning and 46.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 352.92ms. Allocated memory is still 79.7MB. Free memory was 46.2MB in the beginning and 52.3MB in the end (delta: -6.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1856.38ms. Allocated memory is still 79.7MB. Free memory was 51.9MB in the beginning and 44.5MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 79.7MB. Free memory was 44.5MB in the beginning and 44.1MB in the end (delta: 431.5kB). 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559. 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] [L1579] 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) [L1579] 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] [L1580] CALL CWE190_Integer_Overflow__int_fgets_postinc_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND TRUE i < 1 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1556] 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, i=0] [L1553] i++ 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, i=1] [L1553] COND FALSE !(i < 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, i=1] [L1567] j = 0 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, i=1, j=0] [L1567] COND TRUE j < 1 [L1570] data++ VAL [data=2147483647, 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, i=1, j=0] - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1567]: 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, 35 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 168 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 93 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 2 NumberOfNonLiveVariables, 171 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 11:51:39,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94942229-83c5-4455-99f9-8858a0bbd4fe/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: UNKNOWN: Overapproximated counterexample