./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_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_d3518f55-cbe9-4b3f-b4b9-ffca87169ac1/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3518f55-cbe9-4b3f-b4b9-ffca87169ac1/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_d3518f55-cbe9-4b3f-b4b9-ffca87169ac1/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3518f55-cbe9-4b3f-b4b9-ffca87169ac1/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3518f55-cbe9-4b3f-b4b9-ffca87169ac1/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_d3518f55-cbe9-4b3f-b4b9-ffca87169ac1/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 3fcb54e50249805043d05289682c0923c0b8164877d34759ba4f91b097986549 --- 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 17:33:15,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:33:15,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:33:15,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:33:15,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:33:15,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:33:15,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:33:15,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:33:15,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:33:15,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:33:15,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:33:15,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:33:15,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:33:15,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:33:15,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:33:15,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:33:15,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:33:15,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:33:15,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:33:15,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:33:15,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:33:15,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:33:15,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:33:15,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:33:15,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:33:15,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:33:15,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:33:15,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:33:15,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:33:15,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:33:15,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:33:15,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:33:15,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:33:15,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:33:15,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:33:15,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:33:15,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:33:15,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:33:15,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:33:15,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:33:15,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:33:15,318 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3518f55-cbe9-4b3f-b4b9-ffca87169ac1/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:33:15,357 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:33:15,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:33:15,361 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:33:15,361 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:33:15,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:33:15,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:33:15,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:33:15,383 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:33:15,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:33:15,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:33:15,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:33:15,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:33:15,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:33:15,385 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:33:15,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:33:15,386 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:33:15,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:33:15,386 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:33:15,386 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:33:15,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:33:15,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:33:15,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:33:15,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:33:15,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:33:15,388 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:33:15,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:33:15,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:33:15,389 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_d3518f55-cbe9-4b3f-b4b9-ffca87169ac1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3518f55-cbe9-4b3f-b4b9-ffca87169ac1/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fcb54e50249805043d05289682c0923c0b8164877d34759ba4f91b097986549 [2022-11-20 17:33:15,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:33:15,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:33:15,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:33:15,765 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:33:15,766 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:33:15,767 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3518f55-cbe9-4b3f-b4b9-ffca87169ac1/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i [2022-11-20 17:33:18,742 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:33:19,061 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:33:19,064 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3518f55-cbe9-4b3f-b4b9-ffca87169ac1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i [2022-11-20 17:33:19,088 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3518f55-cbe9-4b3f-b4b9-ffca87169ac1/bin/ukojak-pZX7IvK2PQ/data/c07732f4b/5ca40a5e5da7435c843ecf533f74963d/FLAG057fc48a7 [2022-11-20 17:33:19,106 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3518f55-cbe9-4b3f-b4b9-ffca87169ac1/bin/ukojak-pZX7IvK2PQ/data/c07732f4b/5ca40a5e5da7435c843ecf533f74963d [2022-11-20 17:33:19,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:33:19,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:33:19,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:33:19,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:33:19,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:33:19,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:33:19" (1/1) ... [2022-11-20 17:33:19,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b634295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:19, skipping insertion in model container [2022-11-20 17:33:19,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:33:19" (1/1) ... [2022-11-20 17:33:19,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:33:19,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:33:19,561 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:33:20,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:33:20,076 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:33:20,111 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:33:20,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:33:20,405 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:33:20,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20 WrapperNode [2022-11-20 17:33:20,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:33:20,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:33:20,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:33:20,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:33:20,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,475 INFO L138 Inliner]: procedures = 499, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2022-11-20 17:33:20,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:33:20,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:33:20,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:33:20,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:33:20,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,508 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:33:20,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:33:20,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:33:20,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:33:20,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:20" (1/1) ... [2022-11-20 17:33:20,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:33:20,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3518f55-cbe9-4b3f-b4b9-ffca87169ac1/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:33:20,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3518f55-cbe9-4b3f-b4b9-ffca87169ac1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:33:20,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3518f55-cbe9-4b3f-b4b9-ffca87169ac1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:33:20,599 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:33:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:33:20,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:33:20,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:33:20,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:33:20,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:33:20,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:33:20,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:33:20,602 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:33:20,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:33:20,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:33:20,750 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:33:20,753 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:33:20,949 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:33:21,039 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:33:21,055 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:33:21,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:33:21 BoogieIcfgContainer [2022-11-20 17:33:21,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:33:21,059 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:33:21,059 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:33:21,069 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:33:21,073 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:33:21" (1/1) ... [2022-11-20 17:33:21,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:33:21,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:21,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 17:33:21,160 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 17:33:21,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:33:21,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:21,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:21,695 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 17:33:21,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:21,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-20 17:33:21,757 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-20 17:33:21,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:33:21,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:21,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:33:21,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:33:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:33:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:33:21,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:33:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:33:21,993 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 17:33:22,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:33:22 ImpRootNode [2022-11-20 17:33:22,042 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:33:22,043 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:33:22,043 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:33:22,043 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:33:22,044 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:33:21" (3/4) ... [2022-11-20 17:33:22,047 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 17:33:22,119 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3518f55-cbe9-4b3f-b4b9-ffca87169ac1/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:33:22,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:33:22,123 INFO L158 Benchmark]: Toolchain (without parser) took 3009.58ms. Allocated memory was 167.8MB in the beginning and 234.9MB in the end (delta: 67.1MB). Free memory was 118.5MB in the beginning and 133.7MB in the end (delta: -15.2MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2022-11-20 17:33:22,123 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 137.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:33:22,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1291.04ms. Allocated memory was 167.8MB in the beginning and 234.9MB in the end (delta: 67.1MB). Free memory was 118.1MB in the beginning and 194.6MB in the end (delta: -76.5MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2022-11-20 17:33:22,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.38ms. Allocated memory is still 234.9MB. Free memory was 194.6MB in the beginning and 192.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:33:22,129 INFO L158 Benchmark]: Boogie Preprocessor took 34.87ms. Allocated memory is still 234.9MB. Free memory was 192.5MB in the beginning and 190.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:33:22,131 INFO L158 Benchmark]: RCFGBuilder took 546.11ms. Allocated memory is still 234.9MB. Free memory was 190.4MB in the beginning and 175.6MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:33:22,131 INFO L158 Benchmark]: CodeCheck took 983.39ms. Allocated memory is still 234.9MB. Free memory was 175.6MB in the beginning and 135.9MB in the end (delta: 39.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-20 17:33:22,132 INFO L158 Benchmark]: Witness Printer took 78.82ms. Allocated memory is still 234.9MB. Free memory was 135.9MB in the beginning and 133.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:33:22,134 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: 0.9s, 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: 1563]: 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); [L1572] 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) [L1572] RET printLine("Calling bad()...") VAL [\old(argc)=64, argc=64, argv={63:12}, argv={63:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] CALL CWE191_Integer_Underflow__int_fscanf_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_postdec_34_unionType myUnion; [L1557] data = 0 [L1559] EXPR \read(data) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] data-- VAL [data={32287:0}, data=-2147483648, 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, myUnion={32288:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 137.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1291.04ms. Allocated memory was 167.8MB in the beginning and 234.9MB in the end (delta: 67.1MB). Free memory was 118.1MB in the beginning and 194.6MB in the end (delta: -76.5MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.38ms. Allocated memory is still 234.9MB. Free memory was 194.6MB in the beginning and 192.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.87ms. Allocated memory is still 234.9MB. Free memory was 192.5MB in the beginning and 190.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 546.11ms. Allocated memory is still 234.9MB. Free memory was 190.4MB in the beginning and 175.6MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 983.39ms. Allocated memory is still 234.9MB. Free memory was 175.6MB in the beginning and 135.9MB in the end (delta: 39.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 78.82ms. Allocated memory is still 234.9MB. Free memory was 135.9MB in the beginning and 133.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 17:33:22,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3518f55-cbe9-4b3f-b4b9-ffca87169ac1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)