./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_136b0509-5f9e-4f6a-8751-602505f14fba/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136b0509-5f9e-4f6a-8751-602505f14fba/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136b0509-5f9e-4f6a-8751-602505f14fba/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136b0509-5f9e-4f6a-8751-602505f14fba/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136b0509-5f9e-4f6a-8751-602505f14fba/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136b0509-5f9e-4f6a-8751-602505f14fba/bin/uautomizer-QkZJyEgLgS --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 b32c969ee921d6d37b7d342dfd2cc7128540874403157eba29fe03e2fba1c92e --- 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-4e7fbc6 [2022-11-23 03:26:10,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:26:10,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:26:10,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:26:10,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:26:10,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:26:10,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:26:10,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:26:10,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:26:10,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:26:10,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:26:10,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:26:10,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:26:10,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:26:10,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:26:10,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:26:10,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:26:10,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:26:10,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:26:10,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:26:10,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:26:10,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:26:10,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:26:10,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:26:10,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:26:10,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:26:10,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:26:10,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:26:10,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:26:10,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:26:10,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:26:10,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:26:10,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:26:10,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:26:10,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:26:10,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:26:10,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:26:10,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:26:10,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:26:10,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:26:10,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:26:10,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136b0509-5f9e-4f6a-8751-602505f14fba/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-23 03:26:10,595 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:26:10,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:26:10,600 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:26:10,600 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:26:10,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:26:10,602 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:26:10,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:26:10,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:26:10,603 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:26:10,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:26:10,604 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:26:10,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:26:10,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:26:10,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:26:10,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:26:10,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:26:10,606 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 03:26:10,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:26:10,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:26:10,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:26:10,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:26:10,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:26:10,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:26:10,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:26:10,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:26:10,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:26:10,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:26:10,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:26:10,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:26:10,610 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:26:10,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:26:10,611 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:26:10,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:26:10,612 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_136b0509-5f9e-4f6a-8751-602505f14fba/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136b0509-5f9e-4f6a-8751-602505f14fba/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b32c969ee921d6d37b7d342dfd2cc7128540874403157eba29fe03e2fba1c92e [2022-11-23 03:26:10,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:26:10,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:26:10,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:26:10,933 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:26:10,934 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:26:10,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136b0509-5f9e-4f6a-8751-602505f14fba/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i [2022-11-23 03:26:13,939 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:26:14,298 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:26:14,299 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136b0509-5f9e-4f6a-8751-602505f14fba/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i [2022-11-23 03:26:14,323 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136b0509-5f9e-4f6a-8751-602505f14fba/bin/uautomizer-QkZJyEgLgS/data/f8d86f38e/8c5ed07e4e71490dba22ec8963f4e949/FLAG34941e92c [2022-11-23 03:26:14,341 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136b0509-5f9e-4f6a-8751-602505f14fba/bin/uautomizer-QkZJyEgLgS/data/f8d86f38e/8c5ed07e4e71490dba22ec8963f4e949 [2022-11-23 03:26:14,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:26:14,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:26:14,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:26:14,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:26:14,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:26:14,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:26:14" (1/1) ... [2022-11-23 03:26:14,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c0543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:14, skipping insertion in model container [2022-11-23 03:26:14,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:26:14" (1/1) ... [2022-11-23 03:26:14,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:26:14,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:26:14,785 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 03:26:15,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:26:15,287 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:26:15,308 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 03:26:15,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:26:15,617 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:26:15,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:15 WrapperNode [2022-11-23 03:26:15,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:26:15,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:26:15,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:26:15,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:26:15,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:15" (1/1) ... [2022-11-23 03:26:15,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:15" (1/1) ... [2022-11-23 03:26:15,703 INFO L138 Inliner]: procedures = 501, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-11-23 03:26:15,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:26:15,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:26:15,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:26:15,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:26:15,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:15" (1/1) ... [2022-11-23 03:26:15,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:15" (1/1) ... [2022-11-23 03:26:15,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:15" (1/1) ... [2022-11-23 03:26:15,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:15" (1/1) ... [2022-11-23 03:26:15,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:15" (1/1) ... [2022-11-23 03:26:15,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:15" (1/1) ... [2022-11-23 03:26:15,740 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:15" (1/1) ... [2022-11-23 03:26:15,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:15" (1/1) ... [2022-11-23 03:26:15,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:26:15,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:26:15,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:26:15,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:26:15,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:15" (1/1) ... [2022-11-23 03:26:15,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:26:15,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136b0509-5f9e-4f6a-8751-602505f14fba/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:26:15,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136b0509-5f9e-4f6a-8751-602505f14fba/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:26:15,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136b0509-5f9e-4f6a-8751-602505f14fba/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:26:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 03:26:15,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 03:26:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:26:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 03:26:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:26:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:26:15,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:26:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-23 03:26:15,854 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-23 03:26:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:26:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 03:26:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 03:26:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:26:16,003 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:26:16,005 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:26:16,190 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:26:16,196 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:26:16,197 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 03:26:16,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:26:16 BoogieIcfgContainer [2022-11-23 03:26:16,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:26:16,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:26:16,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:26:16,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:26:16,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:26:14" (1/3) ... [2022-11-23 03:26:16,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa9df3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:26:16, skipping insertion in model container [2022-11-23 03:26:16,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:26:15" (2/3) ... [2022-11-23 03:26:16,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa9df3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:26:16, skipping insertion in model container [2022-11-23 03:26:16,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:26:16" (3/3) ... [2022-11-23 03:26:16,219 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i [2022-11-23 03:26:16,239 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:26:16,239 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 03:26:16,285 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:26:16,291 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;@465ef57e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:26:16,291 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 03:26:16,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 03:26:16,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-23 03:26:16,303 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:26:16,304 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:26:16,305 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 03:26:16,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:26:16,310 INFO L85 PathProgramCache]: Analyzing trace with hash -553651044, now seen corresponding path program 1 times [2022-11-23 03:26:16,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:26:16,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005520142] [2022-11-23 03:26:16,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:26:16,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:26:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:26:16,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:26:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:26:16,546 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:26:16,555 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 03:26:16,558 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 03:26:16,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 03:26:16,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:26:16,566 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 03:26:16,573 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 03:26:16,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:26:16 BoogieIcfgContainer [2022-11-23 03:26:16,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 03:26:16,619 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:26:16,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:26:16,619 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:26:16,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:26:16" (3/4) ... [2022-11-23 03:26:16,621 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 03:26:16,676 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136b0509-5f9e-4f6a-8751-602505f14fba/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 03:26:16,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:26:16,677 INFO L158 Benchmark]: Toolchain (without parser) took 2328.30ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 96.4MB in the beginning and 81.2MB in the end (delta: 15.2MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2022-11-23 03:26:16,677 INFO L158 Benchmark]: CDTParser took 0.99ms. Allocated memory is still 104.9MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:26:16,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1264.45ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 96.4MB in the beginning and 120.1MB in the end (delta: -23.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-23 03:26:16,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.27ms. Allocated memory is still 169.9MB. Free memory was 120.1MB in the beginning and 116.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 03:26:16,689 INFO L158 Benchmark]: Boogie Preprocessor took 50.68ms. Allocated memory is still 169.9MB. Free memory was 116.8MB in the beginning and 115.9MB in the end (delta: 930.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:26:16,690 INFO L158 Benchmark]: RCFGBuilder took 443.15ms. Allocated memory is still 169.9MB. Free memory was 115.9MB in the beginning and 103.1MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 03:26:16,691 INFO L158 Benchmark]: TraceAbstraction took 416.91ms. Allocated memory is still 169.9MB. Free memory was 102.1MB in the beginning and 84.4MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 03:26:16,691 INFO L158 Benchmark]: Witness Printer took 57.26ms. Allocated memory is still 169.9MB. Free memory was 84.2MB in the beginning and 81.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 03:26:16,694 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99ms. Allocated memory is still 104.9MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1264.45ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 96.4MB in the beginning and 120.1MB in the end (delta: -23.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.27ms. Allocated memory is still 169.9MB. Free memory was 120.1MB in the beginning and 116.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.68ms. Allocated memory is still 169.9MB. Free memory was 116.8MB in the beginning and 115.9MB in the end (delta: 930.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 443.15ms. Allocated memory is still 169.9MB. Free memory was 115.9MB in the beginning and 103.1MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 416.91ms. Allocated memory is still 169.9MB. Free memory was 102.1MB in the beginning and 84.4MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 57.26ms. Allocated memory is still 169.9MB. Free memory was 84.2MB in the beginning and 81.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1567]: 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] [L1576] CALL printLine("Calling bad()...") VAL [#in~line={2:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1576] RET printLine("Calling bad()...") VAL [#in~argv={1073741826:1073741831}, argc=1073741829, argv={1073741826:1073741831}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~argc-unknown=1073741829] [L1577] CALL CWE191_Integer_Underflow__int_fscanf_postdec_08_bad() [L1558] int data; [L1559] data = 0 VAL [data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] RET staticReturnsTrue() VAL [data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticReturnsTrue()=1] [L1560] COND TRUE staticReturnsTrue() [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] RET staticReturnsTrue() VAL [data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticReturnsTrue()=1] [L1564] COND TRUE staticReturnsTrue() [L1567] EXPR \read(data) [L1567] data-- VAL [\read(data)=-2147483648, data={5:0}, data--=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 29 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 proved your program to be incorrect! [2022-11-23 03:26:16,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136b0509-5f9e-4f6a-8751-602505f14fba/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)