./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_7d81d81f-b4da-4595-8449-e9a304ce819b/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d81d81f-b4da-4595-8449-e9a304ce819b/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_7d81d81f-b4da-4595-8449-e9a304ce819b/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d81d81f-b4da-4595-8449-e9a304ce819b/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d81d81f-b4da-4595-8449-e9a304ce819b/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_7d81d81f-b4da-4595-8449-e9a304ce819b/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 229b4ae6e93aadb4aefd05e13bc7f04c83c8dabedc8609cc262ac5e1869a6f94 --- 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 17:57:32,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:57:32,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:57:32,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:57:32,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:57:32,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:57:32,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:57:32,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:57:32,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:57:32,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:57:32,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:57:32,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:57:32,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:57:32,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:57:32,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:57:32,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:57:32,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:57:32,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:57:32,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:57:32,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:57:32,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:57:32,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:57:32,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:57:32,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:57:32,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:57:32,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:57:32,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:57:32,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:57:32,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:57:32,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:57:32,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:57:32,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:57:32,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:57:32,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:57:32,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:57:32,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:57:32,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:57:32,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:57:32,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:57:32,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:57:32,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:57:32,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d81d81f-b4da-4595-8449-e9a304ce819b/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:57:32,174 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:57:32,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:57:32,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:57:32,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:57:32,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:57:32,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:57:32,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:57:32,176 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:57:32,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:57:32,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:57:32,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:57:32,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:57:32,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:57:32,178 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:57:32,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:57:32,178 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:57:32,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:57:32,178 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:57:32,179 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:57:32,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:57:32,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:57:32,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:57:32,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:57:32,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:57:32,180 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:57:32,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:57:32,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:57:32,181 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_7d81d81f-b4da-4595-8449-e9a304ce819b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d81d81f-b4da-4595-8449-e9a304ce819b/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 229b4ae6e93aadb4aefd05e13bc7f04c83c8dabedc8609cc262ac5e1869a6f94 [2022-11-20 17:57:32,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:57:32,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:57:32,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:57:32,463 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:57:32,464 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:57:32,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d81d81f-b4da-4595-8449-e9a304ce819b/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i [2022-11-20 17:57:35,519 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:57:35,964 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:57:35,965 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d81d81f-b4da-4595-8449-e9a304ce819b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i [2022-11-20 17:57:35,997 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d81d81f-b4da-4595-8449-e9a304ce819b/bin/ukojak-pZX7IvK2PQ/data/d768e39b0/ffef35b7b99f4e63954b3d24b54ca765/FLAG1fa24cf2e [2022-11-20 17:57:36,014 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d81d81f-b4da-4595-8449-e9a304ce819b/bin/ukojak-pZX7IvK2PQ/data/d768e39b0/ffef35b7b99f4e63954b3d24b54ca765 [2022-11-20 17:57:36,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:57:36,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:57:36,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:57:36,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:57:36,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:57:36,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:57:36" (1/1) ... [2022-11-20 17:57:36,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4911da07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:36, skipping insertion in model container [2022-11-20 17:57:36,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:57:36" (1/1) ... [2022-11-20 17:57:36,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:57:36,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:57:36,503 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:57:37,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:57:37,060 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:57:37,092 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:57:37,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:57:37,341 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:57:37,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:37 WrapperNode [2022-11-20 17:57:37,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:57:37,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:57:37,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:57:37,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:57:37,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:37" (1/1) ... [2022-11-20 17:57:37,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:37" (1/1) ... [2022-11-20 17:57:37,401 INFO L138 Inliner]: procedures = 499, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2022-11-20 17:57:37,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:57:37,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:57:37,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:57:37,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:57:37,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:37" (1/1) ... [2022-11-20 17:57:37,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:37" (1/1) ... [2022-11-20 17:57:37,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:37" (1/1) ... [2022-11-20 17:57:37,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:37" (1/1) ... [2022-11-20 17:57:37,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:37" (1/1) ... [2022-11-20 17:57:37,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:37" (1/1) ... [2022-11-20 17:57:37,448 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:37" (1/1) ... [2022-11-20 17:57:37,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:37" (1/1) ... [2022-11-20 17:57:37,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:57:37,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:57:37,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:57:37,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:57:37,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:37" (1/1) ... [2022-11-20 17:57:37,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:57:37,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d81d81f-b4da-4595-8449-e9a304ce819b/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:57:37,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d81d81f-b4da-4595-8449-e9a304ce819b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:57:37,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d81d81f-b4da-4595-8449-e9a304ce819b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:57:37,571 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:57:37,571 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:57:37,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:57:37,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:57:37,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:57:37,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:57:37,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:57:37,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:57:37,573 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:57:37,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:57:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:57:37,723 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:57:37,725 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:57:37,844 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:57:37,884 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:57:37,899 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:57:37,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:57:37 BoogieIcfgContainer [2022-11-20 17:57:37,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:57:37,903 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:57:37,903 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:57:37,913 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:57:37,913 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:57:37" (1/1) ... [2022-11-20 17:57:37,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:57:37,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:37,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 17:57:37,981 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 17:57:37,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:57:37,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:37,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:38,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:57:38,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:38,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-20 17:57:38,556 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-20 17:57:38,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:57:38,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:38,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:57:38,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:57:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:57:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:57:38,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:57:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:57:38,776 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 17:57:38,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:57:38 ImpRootNode [2022-11-20 17:57:38,824 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:57:38,826 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:57:38,826 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:57:38,826 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:57:38,827 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:57:37" (3/4) ... [2022-11-20 17:57:38,837 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 17:57:38,888 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d81d81f-b4da-4595-8449-e9a304ce819b/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:57:38,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:57:38,889 INFO L158 Benchmark]: Toolchain (without parser) took 2867.66ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 127.2MB in the beginning and 123.4MB in the end (delta: 3.8MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2022-11-20 17:57:38,889 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 163.6MB. Free memory was 134.7MB in the beginning and 134.6MB in the end (delta: 149.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:57:38,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1317.87ms. Allocated memory is still 163.6MB. Free memory was 127.2MB in the beginning and 65.8MB in the end (delta: 61.4MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-20 17:57:38,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.84ms. Allocated memory is still 163.6MB. Free memory was 65.8MB in the beginning and 63.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:57:38,891 INFO L158 Benchmark]: Boogie Preprocessor took 49.56ms. Allocated memory is still 163.6MB. Free memory was 63.0MB in the beginning and 132.0MB in the end (delta: -69.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2022-11-20 17:57:38,892 INFO L158 Benchmark]: RCFGBuilder took 449.86ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 131.9MB in the beginning and 161.2MB in the end (delta: -29.2MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-11-20 17:57:38,892 INFO L158 Benchmark]: CodeCheck took 921.82ms. Allocated memory is still 203.4MB. Free memory was 160.1MB in the beginning and 125.5MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-20 17:57:38,893 INFO L158 Benchmark]: Witness Printer took 62.70ms. Allocated memory is still 203.4MB. Free memory was 125.5MB in the beginning and 123.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:57:38,895 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 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 5 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 1557]: 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); [L1566] 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) [L1566] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, argv={12:31}, argv={12:31}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_31_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR \read(data) [L1554] int dataCopy = data; [L1555] int data = dataCopy; [L1557] data-- VAL [data=-2147483648, data={30614:0}, data--=-2147483648, dataCopy=-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 0.32ms. Allocated memory is still 163.6MB. Free memory was 134.7MB in the beginning and 134.6MB in the end (delta: 149.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1317.87ms. Allocated memory is still 163.6MB. Free memory was 127.2MB in the beginning and 65.8MB in the end (delta: 61.4MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.84ms. Allocated memory is still 163.6MB. Free memory was 65.8MB in the beginning and 63.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.56ms. Allocated memory is still 163.6MB. Free memory was 63.0MB in the beginning and 132.0MB in the end (delta: -69.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * RCFGBuilder took 449.86ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 131.9MB in the beginning and 161.2MB in the end (delta: -29.2MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * CodeCheck took 921.82ms. Allocated memory is still 203.4MB. Free memory was 160.1MB in the beginning and 125.5MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 62.70ms. Allocated memory is still 203.4MB. Free memory was 125.5MB in the beginning and 123.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 17:57:38,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d81d81f-b4da-4595-8449-e9a304ce819b/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)