./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_17_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R --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 e9cde0d671c04babcc9bda0e4d83df5d9daf0bea27c87f9d3d73e9bedc0d8bba --- 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-38b53e6 [2022-11-25 16:41:40,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:41:40,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:41:40,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:41:40,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:41:40,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:41:40,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:41:40,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:41:40,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:41:40,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:41:40,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:41:40,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:41:40,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:41:40,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:41:40,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:41:40,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:41:40,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:41:40,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:41:40,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:41:40,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:41:40,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:41:40,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:41:40,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:41:40,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:41:40,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:41:40,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:41:40,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:41:40,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:41:40,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:41:40,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:41:40,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:41:40,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:41:40,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:41:40,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:41:40,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:41:40,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:41:40,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:41:40,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:41:40,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:41:40,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:41:40,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:41:40,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 16:41:40,441 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:41:40,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:41:40,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:41:40,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:41:40,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:41:40,444 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:41:40,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:41:40,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:41:40,445 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:41:40,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:41:40,446 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:41:40,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:41:40,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:41:40,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:41:40,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:41:40,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:41:40,447 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 16:41:40,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:41:40,448 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:41:40,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:41:40,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:41:40,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:41:40,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:41:40,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:41:40,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:41:40,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:41:40,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:41:40,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:41:40,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:41:40,450 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:41:40,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:41:40,451 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:41:40,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:41:40,451 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_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9cde0d671c04babcc9bda0e4d83df5d9daf0bea27c87f9d3d73e9bedc0d8bba [2022-11-25 16:41:40,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:41:40,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:41:40,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:41:40,802 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:41:40,803 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:41:40,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_17_bad.i [2022-11-25 16:41:43,757 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:41:44,189 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:41:44,190 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_17_bad.i [2022-11-25 16:41:44,212 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/data/d6f3c69cb/ce3774f35147411cb2e839a57fa5cb55/FLAGebbcc8e6e [2022-11-25 16:41:44,227 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/data/d6f3c69cb/ce3774f35147411cb2e839a57fa5cb55 [2022-11-25 16:41:44,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:41:44,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:41:44,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:41:44,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:41:44,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:41:44,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:41:44" (1/1) ... [2022-11-25 16:41:44,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@242d792d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:44, skipping insertion in model container [2022-11-25 16:41:44,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:41:44" (1/1) ... [2022-11-25 16:41:44,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:41:44,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:41:44,809 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:41:45,278 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:41:45,288 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:41:45,293 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:41:45,305 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:41:45,306 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:41:45,763 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:41:45,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:41:45,781 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:41:45,816 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:41:45,885 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:41:45,886 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:41:45,888 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:41:45,890 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:41:45,891 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:41:45,903 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:41:45,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:41:46,145 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:41:46,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:46 WrapperNode [2022-11-25 16:41:46,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:41:46,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:41:46,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:41:46,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:41:46,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:46" (1/1) ... [2022-11-25 16:41:46,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:46" (1/1) ... [2022-11-25 16:41:46,213 INFO L138 Inliner]: procedures = 937, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2022-11-25 16:41:46,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:41:46,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:41:46,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:41:46,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:41:46,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:46" (1/1) ... [2022-11-25 16:41:46,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:46" (1/1) ... [2022-11-25 16:41:46,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:46" (1/1) ... [2022-11-25 16:41:46,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:46" (1/1) ... [2022-11-25 16:41:46,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:46" (1/1) ... [2022-11-25 16:41:46,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:46" (1/1) ... [2022-11-25 16:41:46,240 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:46" (1/1) ... [2022-11-25 16:41:46,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:46" (1/1) ... [2022-11-25 16:41:46,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:41:46,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:41:46,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:41:46,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:41:46,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:46" (1/1) ... [2022-11-25 16:41:46,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:41:46,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:41:46,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:41:46,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:41:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 16:41:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:41:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:41:46,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:41:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:41:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 16:41:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 16:41:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 16:41:46,324 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 16:41:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:41:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:41:46,525 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:41:46,527 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:41:46,678 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:41:46,684 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:41:46,684 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 16:41:46,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:41:46 BoogieIcfgContainer [2022-11-25 16:41:46,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:41:46,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:41:46,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:41:46,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:41:46,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:41:44" (1/3) ... [2022-11-25 16:41:46,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544dc80e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:41:46, skipping insertion in model container [2022-11-25 16:41:46,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:41:46" (2/3) ... [2022-11-25 16:41:46,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544dc80e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:41:46, skipping insertion in model container [2022-11-25 16:41:46,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:41:46" (3/3) ... [2022-11-25 16:41:46,704 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_17_bad.i [2022-11-25 16:41:46,723 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:41:46,724 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-25 16:41:46,788 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:41:46,795 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;@690e3c87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:41:46,795 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-25 16:41:46,800 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 29 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 16:41:46,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 16:41:46,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:41:46,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:41:46,809 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 16:41:46,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:41:46,815 INFO L85 PathProgramCache]: Analyzing trace with hash -798313985, now seen corresponding path program 1 times [2022-11-25 16:41:46,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:41:46,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448743123] [2022-11-25 16:41:46,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:41:46,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:41:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:41:47,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:41:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:41:47,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:41:47,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:41:47,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448743123] [2022-11-25 16:41:47,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448743123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:41:47,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:41:47,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:41:47,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138228823] [2022-11-25 16:41:47,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:41:47,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:41:47,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:41:47,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:41:47,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:41:47,307 INFO L87 Difference]: Start difference. First operand has 33 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 29 states have internal predecessors, (34), 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) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2022-11-25 16:41:47,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:41:47,369 INFO L93 Difference]: Finished difference Result 62 states and 71 transitions. [2022-11-25 16:41:47,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:41:47,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 [2022-11-25 16:41:47,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:41:47,379 INFO L225 Difference]: With dead ends: 62 [2022-11-25 16:41:47,379 INFO L226 Difference]: Without dead ends: 30 [2022-11-25 16:41:47,382 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 [2022-11-25 16:41:47,385 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 3 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:41:47,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 92 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:41:47,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-25 16:41:47,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-25 16:41:47,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 27 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:41:47,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2022-11-25 16:41:47,424 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 11 [2022-11-25 16:41:47,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:41:47,425 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2022-11-25 16:41:47,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2022-11-25 16:41:47,425 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2022-11-25 16:41:47,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 16:41:47,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:41:47,426 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:41:47,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:41:47,427 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 16:41:47,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:41:47,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1473106299, now seen corresponding path program 1 times [2022-11-25 16:41:47,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:41:47,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133198739] [2022-11-25 16:41:47,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:41:47,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:41:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:41:47,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:41:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:41:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:41:47,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:41:47,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133198739] [2022-11-25 16:41:47,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133198739] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:41:47,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927425261] [2022-11-25 16:41:47,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:41:47,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:41:47,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:41:47,604 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:41:47,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 16:41:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:41:47,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 16:41:47,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:41:47,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:41:47,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:41:47,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927425261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:41:47,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 16:41:47,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-25 16:41:47,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583684540] [2022-11-25 16:41:47,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:41:47,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:41:47,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:41:47,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:41:47,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 16:41:47,839 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:41:47,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:41:47,893 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2022-11-25 16:41:47,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:41:47,894 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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 15 [2022-11-25 16:41:47,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:41:47,895 INFO L225 Difference]: With dead ends: 43 [2022-11-25 16:41:47,895 INFO L226 Difference]: Without dead ends: 25 [2022-11-25 16:41:47,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:41:47,896 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 15 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:41:47,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 57 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:41:47,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-25 16:41:47,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-25 16:41:47,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.263157894736842) internal successors, (24), 22 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:41:47,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2022-11-25 16:41:47,901 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 15 [2022-11-25 16:41:47,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:41:47,902 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2022-11-25 16:41:47,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:41:47,902 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2022-11-25 16:41:47,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 16:41:47,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:41:47,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:41:47,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 16:41:48,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:41:48,109 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 16:41:48,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:41:48,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1578396377, now seen corresponding path program 1 times [2022-11-25 16:41:48,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:41:48,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045366382] [2022-11-25 16:41:48,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:41:48,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:41:48,145 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 16:41:48,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1021717733] [2022-11-25 16:41:48,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:41:48,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:41:48,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:41:48,154 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:41:48,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 16:41:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:41:48,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 16:41:48,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:41:48,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 16:41:48,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 16:41:48,332 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:41:48,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:41:48,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045366382] [2022-11-25 16:41:48,332 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 16:41:48,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021717733] [2022-11-25 16:41:48,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021717733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:41:48,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:41:48,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:41:48,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263066769] [2022-11-25 16:41:48,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:41:48,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:41:48,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:41:48,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:41:48,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:41:48,335 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:41:48,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:41:48,353 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2022-11-25 16:41:48,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:41:48,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 16 [2022-11-25 16:41:48,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:41:48,354 INFO L225 Difference]: With dead ends: 25 [2022-11-25 16:41:48,354 INFO L226 Difference]: Without dead ends: 24 [2022-11-25 16:41:48,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:41:48,356 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:41:48,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 42 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:41:48,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-25 16:41:48,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-11-25 16:41:48,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:41:48,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2022-11-25 16:41:48,360 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 16 [2022-11-25 16:41:48,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:41:48,361 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2022-11-25 16:41:48,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:41:48,361 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2022-11-25 16:41:48,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 16:41:48,362 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:41:48,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:41:48,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-25 16:41:48,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:41:48,572 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 16:41:48,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:41:48,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1685647359, now seen corresponding path program 1 times [2022-11-25 16:41:48,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:41:48,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836241804] [2022-11-25 16:41:48,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:41:48,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:41:48,595 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 16:41:48,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1446702551] [2022-11-25 16:41:48,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:41:48,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:41:48,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:41:48,604 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:41:48,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 16:41:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:41:48,723 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:41:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:41:48,774 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:41:48,775 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 16:41:48,776 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-25 16:41:48,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-25 16:41:48,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-25 16:41:48,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-25 16:41:48,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-25 16:41:48,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-25 16:41:48,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 16:41:48,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:41:48,992 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-25 16:41:48,997 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:41:49,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:41:49 BoogieIcfgContainer [2022-11-25 16:41:49,070 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:41:49,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:41:49,071 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:41:49,071 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:41:49,072 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:41:46" (3/4) ... [2022-11-25 16:41:49,074 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 16:41:49,158 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 16:41:49,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:41:49,160 INFO L158 Benchmark]: Toolchain (without parser) took 4925.92ms. Allocated memory was 142.6MB in the beginning and 209.7MB in the end (delta: 67.1MB). Free memory was 83.6MB in the beginning and 167.1MB in the end (delta: -83.4MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-11-25 16:41:49,160 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 102.5MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:41:49,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1910.21ms. Allocated memory was 142.6MB in the beginning and 174.1MB in the end (delta: 31.5MB). Free memory was 83.4MB in the beginning and 132.8MB in the end (delta: -49.4MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2022-11-25 16:41:49,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.81ms. Allocated memory is still 174.1MB. Free memory was 132.8MB in the beginning and 128.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 16:41:49,162 INFO L158 Benchmark]: Boogie Preprocessor took 29.66ms. Allocated memory is still 174.1MB. Free memory was 128.6MB in the beginning and 127.6MB in the end (delta: 991.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:41:49,163 INFO L158 Benchmark]: RCFGBuilder took 447.62ms. Allocated memory is still 174.1MB. Free memory was 127.5MB in the beginning and 113.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 16:41:49,163 INFO L158 Benchmark]: TraceAbstraction took 2376.16ms. Allocated memory is still 174.1MB. Free memory was 112.9MB in the beginning and 88.1MB in the end (delta: 24.9MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2022-11-25 16:41:49,164 INFO L158 Benchmark]: Witness Printer took 87.37ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 88.1MB in the beginning and 167.1MB in the end (delta: -79.0MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2022-11-25 16:41:49,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 102.5MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1910.21ms. Allocated memory was 142.6MB in the beginning and 174.1MB in the end (delta: 31.5MB). Free memory was 83.4MB in the beginning and 132.8MB in the end (delta: -49.4MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.81ms. Allocated memory is still 174.1MB. Free memory was 132.8MB in the beginning and 128.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.66ms. Allocated memory is still 174.1MB. Free memory was 128.6MB in the beginning and 127.6MB in the end (delta: 991.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 447.62ms. Allocated memory is still 174.1MB. Free memory was 127.5MB in the beginning and 113.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2376.16ms. Allocated memory is still 174.1MB. Free memory was 112.9MB in the beginning and 88.1MB in the end (delta: 24.9MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * Witness Printer took 87.37ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 88.1MB in the beginning and 167.1MB in the end (delta: -79.0MB). Peak memory consumption was 5.9MB. 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 - CounterExampleResult [Line: 1844]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1852] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1852] RET printLine("Calling bad()...") VAL [\old(argc)=13, argc=13, argv={16:14}, argv={16:14}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1853] CALL CWE190_Integer_Overflow__int_fscanf_square_17_bad() [L1834] int i,j; [L1835] int data; [L1836] data = 0 [L1837] i = 0 VAL [data={4:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1837] COND TRUE i < 1 [L1837] i++ VAL [data={4:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1837] COND FALSE !(i < 1) VAL [data={4:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1841] j = 0 VAL [data={4:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1841] COND TRUE j < 1 [L1844] EXPR \read(data) [L1844] EXPR \read(data) VAL [\read(data)=-306783375, \read(data)=-306783375, data={4:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1844] data * data VAL [\read(data)=-306783375, \read(data)=-306783375, data={4:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] - UnprovableResult [Line: 1837]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1837]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1844]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1841]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1841]: 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, 33 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 191 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 116 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 75 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 4 NumberOfNonLiveVariables, 257 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 6/7 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 proved your program to be incorrect! [2022-11-25 16:41:49,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a82c8d-6f68-46cf-bbed-b133cd1e877d/bin/uautomizer-ZsLfNo2U6R/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)