./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 6b4ec56b 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_49356a27-6158-456f-b26d-60b0daadfd6b/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49356a27-6158-456f-b26d-60b0daadfd6b/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49356a27-6158-456f-b26d-60b0daadfd6b/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49356a27-6158-456f-b26d-60b0daadfd6b/bin/ukojak-pZX7IvK2PQ/config/KojakReach.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_49356a27-6158-456f-b26d-60b0daadfd6b/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49356a27-6158-456f-b26d-60b0daadfd6b/bin/ukojak-pZX7IvK2PQ --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 Kojak --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-6b4ec56 [2022-11-20 18:21:48,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:21:48,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:21:48,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:21:48,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:21:48,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:21:48,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:21:48,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:21:48,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:21:48,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:21:48,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:21:48,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:21:48,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:21:48,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:21:48,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:21:49,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:21:49,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:21:49,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:21:49,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:21:49,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:21:49,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:21:49,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:21:49,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:21:49,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:21:49,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:21:49,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:21:49,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:21:49,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:21:49,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:21:49,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:21:49,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:21:49,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:21:49,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:21:49,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:21:49,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:21:49,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:21:49,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:21:49,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:21:49,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:21:49,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:21:49,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:21:49,057 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49356a27-6158-456f-b26d-60b0daadfd6b/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:21:49,090 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:21:49,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:21:49,094 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:21:49,095 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:21:49,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:21:49,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:21:49,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:21:49,096 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:21:49,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:21:49,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:21:49,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:21:49,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:21:49,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:21:49,099 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:21:49,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:21:49,099 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:21:49,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:21:49,100 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:21:49,100 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:21:49,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:21:49,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:21:49,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:21:49,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:21:49,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:21:49,102 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:21:49,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:21:49,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:21:49,102 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_49356a27-6158-456f-b26d-60b0daadfd6b/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49356a27-6158-456f-b26d-60b0daadfd6b/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b32c969ee921d6d37b7d342dfd2cc7128540874403157eba29fe03e2fba1c92e [2022-11-20 18:21:49,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:21:49,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:21:49,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:21:49,421 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:21:49,421 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:21:49,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49356a27-6158-456f-b26d-60b0daadfd6b/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i [2022-11-20 18:21:52,538 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:21:52,975 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:21:52,976 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49356a27-6158-456f-b26d-60b0daadfd6b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_08_bad.i [2022-11-20 18:21:53,002 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49356a27-6158-456f-b26d-60b0daadfd6b/bin/ukojak-pZX7IvK2PQ/data/defd007ab/df5b0eea7510419e80903c946f523d38/FLAG39fde466b [2022-11-20 18:21:53,021 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49356a27-6158-456f-b26d-60b0daadfd6b/bin/ukojak-pZX7IvK2PQ/data/defd007ab/df5b0eea7510419e80903c946f523d38 [2022-11-20 18:21:53,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:21:53,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:21:53,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:21:53,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:21:53,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:21:53,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:53" (1/1) ... [2022-11-20 18:21:53,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e5ae23a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:53, skipping insertion in model container [2022-11-20 18:21:53,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:53" (1/1) ... [2022-11-20 18:21:53,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:21:53,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:21:53,522 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:21:54,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:21:54,262 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:21:54,286 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:21:54,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:21:54,593 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:21:54,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:54 WrapperNode [2022-11-20 18:21:54,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:21:54,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:21:54,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:21:54,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:21:54,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:54" (1/1) ... [2022-11-20 18:21:54,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:54" (1/1) ... [2022-11-20 18:21:54,688 INFO L138 Inliner]: procedures = 501, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-11-20 18:21:54,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:21:54,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:21:54,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:21:54,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:21:54,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:54" (1/1) ... [2022-11-20 18:21:54,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:54" (1/1) ... [2022-11-20 18:21:54,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:54" (1/1) ... [2022-11-20 18:21:54,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:54" (1/1) ... [2022-11-20 18:21:54,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:54" (1/1) ... [2022-11-20 18:21:54,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:54" (1/1) ... [2022-11-20 18:21:54,749 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:54" (1/1) ... [2022-11-20 18:21:54,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:54" (1/1) ... [2022-11-20 18:21:54,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:21:54,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:21:54,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:21:54,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:21:54,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:54" (1/1) ... [2022-11-20 18:21:54,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:21:54,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49356a27-6158-456f-b26d-60b0daadfd6b/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:21:54,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49356a27-6158-456f-b26d-60b0daadfd6b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:21:54,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49356a27-6158-456f-b26d-60b0daadfd6b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:21:54,856 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:21:54,856 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:21:54,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:21:54,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:21:54,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:21:54,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:21:54,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:21:54,858 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-20 18:21:54,858 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-20 18:21:54,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:21:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:21:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:21:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:21:55,038 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:21:55,041 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:21:55,225 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:21:55,299 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:21:55,299 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:21:55,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:55 BoogieIcfgContainer [2022-11-20 18:21:55,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:21:55,306 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:21:55,306 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:21:55,318 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:21:55,319 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:55" (1/1) ... [2022-11-20 18:21:55,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:21:55,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:55,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2022-11-20 18:21:55,404 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-11-20 18:21:55,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:21:55,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:55,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:56,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:21:56,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:56,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 21 transitions. [2022-11-20 18:21:56,230 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-11-20 18:21:56,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:21:56,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:56,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:21:56,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:21:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:21:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:21:56,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:21:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:21:56,433 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 18:21:56,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:21:56 ImpRootNode [2022-11-20 18:21:56,469 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:21:56,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:21:56,470 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:21:56,471 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:21:56,471 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:55" (3/4) ... [2022-11-20 18:21:56,473 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 18:21:56,548 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49356a27-6158-456f-b26d-60b0daadfd6b/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:21:56,548 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:21:56,549 INFO L158 Benchmark]: Toolchain (without parser) took 3522.82ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 111.5MB in the beginning and 105.1MB in the end (delta: 6.4MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2022-11-20 18:21:56,549 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 115.3MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:21:56,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1567.34ms. Allocated memory is still 144.7MB. Free memory was 111.0MB in the beginning and 90.4MB in the end (delta: 20.6MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2022-11-20 18:21:56,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.35ms. Allocated memory is still 144.7MB. Free memory was 90.4MB in the beginning and 87.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:21:56,550 INFO L158 Benchmark]: Boogie Preprocessor took 63.23ms. Allocated memory is still 144.7MB. Free memory was 87.5MB in the beginning and 86.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:21:56,551 INFO L158 Benchmark]: RCFGBuilder took 550.69ms. Allocated memory is still 144.7MB. Free memory was 86.2MB in the beginning and 70.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 18:21:56,551 INFO L158 Benchmark]: CodeCheck took 1163.89ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 70.7MB in the beginning and 108.3MB in the end (delta: -37.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:21:56,552 INFO L158 Benchmark]: Witness Printer took 77.69ms. Allocated memory is still 174.1MB. Free memory was 108.3MB in the beginning and 105.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:21:56,563 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 22 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - 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); [L1576] 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) [L1576] RET printLine("Calling bad()...") VAL [\old(argc)=16, argc=16, argv={14:12}, argv={14:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE191_Integer_Underflow__int_fscanf_postdec_08_bad() [L1558] int data; [L1559] data = 0 VAL [data={8857:0}, 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; [L1560] RET staticReturnsTrue() VAL [data={8857:0}, 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; [L1564] RET staticReturnsTrue() VAL [data={8857:0}, 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={8857:0}, 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 115.3MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1567.34ms. Allocated memory is still 144.7MB. Free memory was 111.0MB in the beginning and 90.4MB in the end (delta: 20.6MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.35ms. Allocated memory is still 144.7MB. Free memory was 90.4MB in the beginning and 87.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.23ms. Allocated memory is still 144.7MB. Free memory was 87.5MB in the beginning and 86.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 550.69ms. Allocated memory is still 144.7MB. Free memory was 86.2MB in the beginning and 70.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1163.89ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 70.7MB in the beginning and 108.3MB in the end (delta: -37.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 77.69ms. Allocated memory is still 174.1MB. Free memory was 108.3MB in the beginning and 105.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 18:21:56,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49356a27-6158-456f-b26d-60b0daadfd6b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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)