./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_05_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_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/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_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/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_d334991d-4950-4481-a57f-002736f93a4b/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 6894b021420f0bd9af897eb652974bbdde6e30960c7627aae9b082e68c4949c0 --- 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 21:46:30,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:46:30,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:46:30,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:46:30,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:46:30,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:46:30,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:46:30,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:46:30,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:46:30,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:46:30,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:46:30,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:46:30,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:46:30,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:46:30,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:46:30,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:46:30,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:46:30,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:46:30,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:46:30,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:46:30,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:46:30,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:46:30,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:46:30,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:46:30,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:46:30,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:46:30,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:46:30,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:46:30,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:46:30,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:46:30,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:46:30,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:46:30,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:46:30,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:46:30,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:46:30,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:46:30,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:46:30,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:46:30,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:46:30,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:46:30,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:46:30,574 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 21:46:30,594 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:46:30,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:46:30,595 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:46:30,595 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:46:30,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:46:30,596 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:46:30,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:46:30,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:46:30,597 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:46:30,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:46:30,597 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:46:30,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:46:30,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:46:30,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:46:30,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:46:30,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:46:30,598 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 21:46:30,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:46:30,598 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:46:30,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:46:30,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:46:30,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:46:30,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:46:30,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:46:30,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:46:30,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:46:30,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:46:30,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:46:30,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:46:30,601 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:46:30,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:46:30,601 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:46:30,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:46:30,601 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:46:30,601 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_d334991d-4950-4481-a57f-002736f93a4b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6894b021420f0bd9af897eb652974bbdde6e30960c7627aae9b082e68c4949c0 [2022-12-13 21:46:30,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:46:30,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:46:30,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:46:30,819 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:46:30,820 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:46:30,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_05_bad.i [2022-12-13 21:46:33,432 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:46:33,624 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:46:33,625 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_05_bad.i [2022-12-13 21:46:33,636 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/data/15249b427/9608aa80acbc48faa9a7ddd85e203307/FLAG8c0fa2299 [2022-12-13 21:46:33,647 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/data/15249b427/9608aa80acbc48faa9a7ddd85e203307 [2022-12-13 21:46:33,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:46:33,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:46:33,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:46:33,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:46:33,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:46:33,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:46:33" (1/1) ... [2022-12-13 21:46:33,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b3679b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:33, skipping insertion in model container [2022-12-13 21:46:33,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:46:33" (1/1) ... [2022-12-13 21:46:33,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:46:33,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:46:33,935 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:46:34,265 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:46:34,269 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:46:34,271 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:46:34,272 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:46:34,273 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:46:34,289 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 21:46:34,293 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:46:34,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:46:34,302 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:46:34,315 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:46:34,346 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:46:34,347 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:46:34,348 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:46:34,349 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:46:34,350 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:46:34,353 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 21:46:34,354 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:46:34,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:46:34,453 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:46:34,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:34 WrapperNode [2022-12-13 21:46:34,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:46:34,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:46:34,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:46:34,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:46:34,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:34" (1/1) ... [2022-12-13 21:46:34,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:34" (1/1) ... [2022-12-13 21:46:34,490 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-12-13 21:46:34,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:46:34,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:46:34,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:46:34,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:46:34,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:34" (1/1) ... [2022-12-13 21:46:34,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:34" (1/1) ... [2022-12-13 21:46:34,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:34" (1/1) ... [2022-12-13 21:46:34,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:34" (1/1) ... [2022-12-13 21:46:34,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:34" (1/1) ... [2022-12-13 21:46:34,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:34" (1/1) ... [2022-12-13 21:46:34,507 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:34" (1/1) ... [2022-12-13 21:46:34,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:34" (1/1) ... [2022-12-13 21:46:34,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:46:34,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:46:34,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:46:34,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:46:34,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:34" (1/1) ... [2022-12-13 21:46:34,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:46:34,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:46:34,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:46:34,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:46:34,566 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 21:46:34,566 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 21:46:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 21:46:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:46:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 21:46:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:46:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:46:34,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:46:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:46:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 21:46:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:46:34,684 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:46:34,686 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:46:34,789 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:46:34,793 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:46:34,794 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 21:46:34,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:46:34 BoogieIcfgContainer [2022-12-13 21:46:34,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:46:34,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:46:34,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:46:34,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:46:34,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:46:33" (1/3) ... [2022-12-13 21:46:34,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5437b0df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:46:34, skipping insertion in model container [2022-12-13 21:46:34,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:34" (2/3) ... [2022-12-13 21:46:34,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5437b0df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:46:34, skipping insertion in model container [2022-12-13 21:46:34,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:46:34" (3/3) ... [2022-12-13 21:46:34,802 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_05_bad.i [2022-12-13 21:46:34,817 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:46:34,817 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 21:46:34,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:46:34,863 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;@53285aba, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:46:34,864 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 21:46:34,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 21:46:34,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 21:46:34,876 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:46:34,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:46:34,877 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 21:46:34,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:46:34,882 INFO L85 PathProgramCache]: Analyzing trace with hash -152054014, now seen corresponding path program 1 times [2022-12-13 21:46:34,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:46:34,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954287879] [2022-12-13 21:46:34,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:46:34,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:46:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:46:35,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:46:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:46:35,088 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 21:46:35,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:46:35,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954287879] [2022-12-13 21:46:35,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954287879] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:46:35,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:46:35,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:46:35,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150163048] [2022-12-13 21:46:35,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:46:35,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:46:35,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:46:35,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:46:35,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:46:35,117 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:46:35,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:46:35,141 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2022-12-13 21:46:35,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:46:35,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 21:46:35,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:46:35,148 INFO L225 Difference]: With dead ends: 40 [2022-12-13 21:46:35,148 INFO L226 Difference]: Without dead ends: 17 [2022-12-13 21:46:35,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:46:35,153 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 23 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:46:35,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:46:35,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-13 21:46:35,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-13 21:46:35,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 21:46:35,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-12-13 21:46:35,181 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2022-12-13 21:46:35,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:46:35,182 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-12-13 21:46:35,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:46:35,182 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-12-13 21:46:35,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 21:46:35,183 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:46:35,183 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:46:35,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:46:35,183 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 21:46:35,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:46:35,184 INFO L85 PathProgramCache]: Analyzing trace with hash -104588099, now seen corresponding path program 1 times [2022-12-13 21:46:35,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:46:35,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782188262] [2022-12-13 21:46:35,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:46:35,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:46:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:46:35,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:46:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:46:35,269 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 21:46:35,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:46:35,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782188262] [2022-12-13 21:46:35,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782188262] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:46:35,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:46:35,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:46:35,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027287167] [2022-12-13 21:46:35,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:46:35,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:46:35,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:46:35,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:46:35,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:46:35,272 INFO L87 Difference]: Start difference. First operand 17 states and 19 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 21:46:35,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:46:35,287 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-12-13 21:46:35,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:46:35,288 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 21:46:35,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:46:35,289 INFO L225 Difference]: With dead ends: 17 [2022-12-13 21:46:35,289 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 21:46:35,289 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 21:46:35,291 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 7 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:46:35,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 38 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:46:35,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 21:46:35,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 21:46:35,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 21:46:35,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-12-13 21:46:35,296 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 13 [2022-12-13 21:46:35,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:46:35,296 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-12-13 21:46:35,296 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 21:46:35,296 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-13 21:46:35,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 21:46:35,296 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:46:35,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:46:35,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:46:35,297 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 21:46:35,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:46:35,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1052736290, now seen corresponding path program 1 times [2022-12-13 21:46:35,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:46:35,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616482048] [2022-12-13 21:46:35,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:46:35,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:46:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:46:35,316 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:46:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:46:35,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:46:35,339 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:46:35,340 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 21:46:35,342 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 21:46:35,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 21:46:35,345 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 21:46:35,347 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:46:35,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:46:35 BoogieIcfgContainer [2022-12-13 21:46:35,365 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:46:35,365 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:46:35,365 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:46:35,365 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:46:35,366 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:46:34" (3/4) ... [2022-12-13 21:46:35,368 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 21:46:35,368 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:46:35,369 INFO L158 Benchmark]: Toolchain (without parser) took 1718.59ms. Allocated memory was 142.6MB in the beginning and 213.9MB in the end (delta: 71.3MB). Free memory was 94.4MB in the beginning and 81.8MB in the end (delta: 12.7MB). Peak memory consumption was 85.9MB. Max. memory is 16.1GB. [2022-12-13 21:46:35,369 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:46:35,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 802.95ms. Allocated memory was 142.6MB in the beginning and 213.9MB in the end (delta: 71.3MB). Free memory was 94.4MB in the beginning and 146.6MB in the end (delta: -52.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-12-13 21:46:35,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.67ms. Allocated memory is still 213.9MB. Free memory was 146.6MB in the beginning and 143.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:46:35,370 INFO L158 Benchmark]: Boogie Preprocessor took 18.09ms. Allocated memory is still 213.9MB. Free memory was 143.6MB in the beginning and 142.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:46:35,370 INFO L158 Benchmark]: RCFGBuilder took 285.68ms. Allocated memory is still 213.9MB. Free memory was 142.6MB in the beginning and 128.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 21:46:35,370 INFO L158 Benchmark]: TraceAbstraction took 567.65ms. Allocated memory is still 213.9MB. Free memory was 127.9MB in the beginning and 81.8MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-12-13 21:46:35,371 INFO L158 Benchmark]: Witness Printer took 2.78ms. Allocated memory is still 213.9MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:46:35,372 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 802.95ms. Allocated memory was 142.6MB in the beginning and 213.9MB in the end (delta: 71.3MB). Free memory was 94.4MB in the beginning and 146.6MB in the end (delta: -52.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.67ms. Allocated memory is still 213.9MB. Free memory was 146.6MB in the beginning and 143.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.09ms. Allocated memory is still 213.9MB. Free memory was 143.6MB in the beginning and 142.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 285.68ms. Allocated memory is still 213.9MB. Free memory was 142.6MB in the beginning and 128.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 567.65ms. Allocated memory is still 213.9MB. Free memory was 127.9MB in the beginning and 81.8MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 2.78ms. Allocated memory is still 213.9MB. Free memory is still 81.8MB. 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560. 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 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, staticFalse=0, staticTrue=1] [L1580] 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}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] 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, staticFalse=0, staticTrue=1] [L1581] CALL CWE190_Integer_Overflow__int_fgets_postinc_05_bad() [L1552] int data; [L1553] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1557] 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, staticFalse=0, staticTrue=1] [L1568] COND TRUE \read(staticTrue) [L1571] 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, staticFalse=0, staticTrue=1] - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 63 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 40 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 21:46:35,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/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_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/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_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/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_d334991d-4950-4481-a57f-002736f93a4b/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 6894b021420f0bd9af897eb652974bbdde6e30960c7627aae9b082e68c4949c0 --- 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 21:46:37,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:46:37,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:46:37,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:46:37,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:46:37,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:46:37,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:46:37,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:46:37,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:46:37,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:46:37,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:46:37,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:46:37,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:46:37,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:46:37,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:46:37,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:46:37,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:46:37,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:46:37,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:46:37,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:46:37,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:46:37,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:46:37,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:46:37,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:46:37,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:46:37,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:46:37,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:46:37,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:46:37,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:46:37,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:46:37,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:46:37,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:46:37,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:46:37,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:46:37,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:46:37,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:46:37,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:46:37,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:46:37,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:46:37,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:46:37,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:46:37,143 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 21:46:37,165 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:46:37,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:46:37,165 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:46:37,165 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:46:37,166 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:46:37,166 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:46:37,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:46:37,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:46:37,167 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:46:37,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:46:37,167 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:46:37,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:46:37,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:46:37,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:46:37,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:46:37,168 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 21:46:37,169 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 21:46:37,169 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 21:46:37,169 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 21:46:37,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:46:37,169 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:46:37,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:46:37,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:46:37,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:46:37,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:46:37,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:46:37,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:46:37,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:46:37,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:46:37,171 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 21:46:37,171 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 21:46:37,176 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:46:37,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:46:37,176 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:46:37,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:46:37,177 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 21:46:37,177 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:46:37,177 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_d334991d-4950-4481-a57f-002736f93a4b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6894b021420f0bd9af897eb652974bbdde6e30960c7627aae9b082e68c4949c0 [2022-12-13 21:46:37,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:46:37,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:46:37,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:46:37,416 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:46:37,416 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:46:37,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_05_bad.i [2022-12-13 21:46:40,023 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:46:40,282 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:46:40,283 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_05_bad.i [2022-12-13 21:46:40,302 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/data/3ad09759e/744b13cf2a0f40e7bf669029041d06b1/FLAG2765b1621 [2022-12-13 21:46:40,315 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/data/3ad09759e/744b13cf2a0f40e7bf669029041d06b1 [2022-12-13 21:46:40,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:46:40,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:46:40,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:46:40,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:46:40,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:46:40,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:46:40" (1/1) ... [2022-12-13 21:46:40,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@791344d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:40, skipping insertion in model container [2022-12-13 21:46:40,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:46:40" (1/1) ... [2022-12-13 21:46:40,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:46:40,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:46:40,643 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:46:40,955 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:46:40,959 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:46:40,960 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:46:40,962 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:46:40,963 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:46:40,981 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 21:46:40,987 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:46:40,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:46:41,001 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:46:41,020 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:46:41,071 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:46:41,073 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:46:41,074 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:46:41,076 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:46:41,077 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:46:41,081 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 21:46:41,084 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:46:41,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:46:41,168 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:46:41,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:41 WrapperNode [2022-12-13 21:46:41,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:46:41,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:46:41,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:46:41,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:46:41,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:41" (1/1) ... [2022-12-13 21:46:41,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:41" (1/1) ... [2022-12-13 21:46:41,217 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-12-13 21:46:41,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:46:41,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:46:41,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:46:41,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:46:41,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:41" (1/1) ... [2022-12-13 21:46:41,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:41" (1/1) ... [2022-12-13 21:46:41,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:41" (1/1) ... [2022-12-13 21:46:41,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:41" (1/1) ... [2022-12-13 21:46:41,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:41" (1/1) ... [2022-12-13 21:46:41,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:41" (1/1) ... [2022-12-13 21:46:41,241 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:41" (1/1) ... [2022-12-13 21:46:41,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:41" (1/1) ... [2022-12-13 21:46:41,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:46:41,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:46:41,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:46:41,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:46:41,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:41" (1/1) ... [2022-12-13 21:46:41,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:46:41,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:46:41,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:46:41,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:46:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 21:46:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 21:46:41,300 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 21:46:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:46:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 21:46:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:46:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:46:41,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:46:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:46:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 21:46:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 21:46:41,425 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:46:41,427 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:46:41,558 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:46:41,564 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:46:41,564 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 21:46:41,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:46:41 BoogieIcfgContainer [2022-12-13 21:46:41,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:46:41,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:46:41,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:46:41,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:46:41,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:46:40" (1/3) ... [2022-12-13 21:46:41,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21a692a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:46:41, skipping insertion in model container [2022-12-13 21:46:41,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:46:41" (2/3) ... [2022-12-13 21:46:41,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21a692a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:46:41, skipping insertion in model container [2022-12-13 21:46:41,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:46:41" (3/3) ... [2022-12-13 21:46:41,572 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_05_bad.i [2022-12-13 21:46:41,586 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:46:41,586 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 21:46:41,623 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:46:41,628 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;@373e42fc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:46:41,628 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 21:46:41,631 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 21:46:41,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 21:46:41,637 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:46:41,638 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:46:41,638 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 21:46:41,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:46:41,642 INFO L85 PathProgramCache]: Analyzing trace with hash -152054014, now seen corresponding path program 1 times [2022-12-13 21:46:41,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:46:41,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130494235] [2022-12-13 21:46:41,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:46:41,656 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 21:46:41,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:46:41,657 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/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 21:46:41,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/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 21:46:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:46:41,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 21:46:41,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:46:41,781 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 21:46:41,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:46:41,781 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:46:41,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130494235] [2022-12-13 21:46:41,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2130494235] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:46:41,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:46:41,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 21:46:41,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828799532] [2022-12-13 21:46:41,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:46:41,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 21:46:41,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:46:41,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 21:46:41,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:46:41,819 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:46:41,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:46:41,841 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2022-12-13 21:46:41,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 21:46:41,842 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 21:46:41,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:46:41,848 INFO L225 Difference]: With dead ends: 24 [2022-12-13 21:46:41,848 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 21:46:41,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:46:41,852 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:46:41,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:46:41,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 21:46:41,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 21:46:41,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 21:46:41,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-12-13 21:46:41,875 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 11 [2022-12-13 21:46:41,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:46:41,876 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-12-13 21:46:41,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:46:41,876 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-12-13 21:46:41,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 21:46:41,877 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:46:41,877 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:46:41,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/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 21:46:42,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/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 21:46:42,079 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 21:46:42,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:46:42,081 INFO L85 PathProgramCache]: Analyzing trace with hash -418707075, now seen corresponding path program 1 times [2022-12-13 21:46:42,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:46:42,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614191561] [2022-12-13 21:46:42,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:46:42,084 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 21:46:42,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:46:42,087 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/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 21:46:42,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/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 21:46:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:46:42,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:46:42,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:46:42,336 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 21:46:42,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:46:42,337 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:46:42,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [614191561] [2022-12-13 21:46:42,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [614191561] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:46:42,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:46:42,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:46:42,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849150349] [2022-12-13 21:46:42,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:46:42,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:46:42,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:46:42,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:46:42,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:46:42,340 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:46:42,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:46:42,352 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2022-12-13 21:46:42,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:46:42,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 21:46:42,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:46:42,353 INFO L225 Difference]: With dead ends: 20 [2022-12-13 21:46:42,353 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 21:46:42,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:46:42,354 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:46:42,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 16 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:46:42,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 21:46:42,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 21:46:42,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 21:46:42,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-12-13 21:46:42,359 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 12 [2022-12-13 21:46:42,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:46:42,359 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-12-13 21:46:42,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:46:42,360 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-13 21:46:42,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 21:46:42,360 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:46:42,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:46:42,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/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 21:46:42,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/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 21:46:42,562 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 21:46:42,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:46:42,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1052736290, now seen corresponding path program 1 times [2022-12-13 21:46:42,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:46:42,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1067731424] [2022-12-13 21:46:42,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:46:42,568 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 21:46:42,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:46:42,572 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/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 21:46:42,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/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 21:46:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:46:42,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:46:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:46:42,813 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 21:46:42,813 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:46:42,814 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 21:46:42,815 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 21:46:42,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/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 21:46:43,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/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 21:46:43,027 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 21:46:43,044 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:46:43,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:46:43 BoogieIcfgContainer [2022-12-13 21:46:43,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:46:43,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:46:43,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:46:43,111 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:46:43,112 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:46:41" (3/4) ... [2022-12-13 21:46:43,117 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 21:46:43,117 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:46:43,119 INFO L158 Benchmark]: Toolchain (without parser) took 2799.85ms. Allocated memory is still 77.6MB. Free memory was 54.3MB in the beginning and 48.6MB in the end (delta: 5.6MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2022-12-13 21:46:43,119 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:46:43,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 848.78ms. Allocated memory is still 77.6MB. Free memory was 54.0MB in the beginning and 44.0MB in the end (delta: 10.0MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-12-13 21:46:43,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.66ms. Allocated memory is still 77.6MB. Free memory was 44.0MB in the beginning and 40.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:46:43,121 INFO L158 Benchmark]: Boogie Preprocessor took 27.53ms. Allocated memory is still 77.6MB. Free memory was 40.9MB in the beginning and 38.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:46:43,122 INFO L158 Benchmark]: RCFGBuilder took 319.46ms. Allocated memory is still 77.6MB. Free memory was 38.8MB in the beginning and 44.9MB in the end (delta: -6.0MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-12-13 21:46:43,122 INFO L158 Benchmark]: TraceAbstraction took 1540.80ms. Allocated memory is still 77.6MB. Free memory was 43.9MB in the beginning and 49.0MB in the end (delta: -5.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2022-12-13 21:46:43,123 INFO L158 Benchmark]: Witness Printer took 7.59ms. Allocated memory is still 77.6MB. Free memory was 49.0MB in the beginning and 48.6MB in the end (delta: 394.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:46:43,126 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 848.78ms. Allocated memory is still 77.6MB. Free memory was 54.0MB in the beginning and 44.0MB in the end (delta: 10.0MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.66ms. Allocated memory is still 77.6MB. Free memory was 44.0MB in the beginning and 40.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.53ms. Allocated memory is still 77.6MB. Free memory was 40.9MB in the beginning and 38.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 319.46ms. Allocated memory is still 77.6MB. Free memory was 38.8MB in the beginning and 44.9MB in the end (delta: -6.0MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1540.80ms. Allocated memory is still 77.6MB. Free memory was 43.9MB in the beginning and 49.0MB in the end (delta: -5.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Witness Printer took 7.59ms. Allocated memory is still 77.6MB. Free memory was 49.0MB in the beginning and 48.6MB in the end (delta: 394.9kB). 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560. 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 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, staticFalse=0, staticTrue=1] [L1580] 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}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1580] 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, staticFalse=0, staticTrue=1] [L1581] CALL CWE190_Integer_Overflow__int_fgets_postinc_05_bad() [L1552] int data; [L1553] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1557] 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, staticFalse=0, staticTrue=1] [L1568] COND TRUE \read(staticTrue) [L1571] 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, staticFalse=0, staticTrue=1] - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 44 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 101 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 21:46:43,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d334991d-4950-4481-a57f-002736f93a4b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample