./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_04_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_a9038c5b-668c-4bbc-a85b-10977bf6578e/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9038c5b-668c-4bbc-a85b-10977bf6578e/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_a9038c5b-668c-4bbc-a85b-10977bf6578e/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9038c5b-668c-4bbc-a85b-10977bf6578e/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9038c5b-668c-4bbc-a85b-10977bf6578e/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_a9038c5b-668c-4bbc-a85b-10977bf6578e/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 18109727250eb1381930d8aaafdae0292d28a8ed5b596799ffcb5b6182c9c1e9 --- 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 17:41:56,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:41:56,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:41:57,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:41:57,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:41:57,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:41:57,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:41:57,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:41:57,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:41:57,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:41:57,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:41:57,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:41:57,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:41:57,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:41:57,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:41:57,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:41:57,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:41:57,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:41:57,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:41:57,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:41:57,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:41:57,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:41:57,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:41:57,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:41:57,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:41:57,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:41:57,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:41:57,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:41:57,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:41:57,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:41:57,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:41:57,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:41:57,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:41:57,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:41:57,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:41:57,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:41:57,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:41:57,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:41:57,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:41:57,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:41:57,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:41:57,080 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9038c5b-668c-4bbc-a85b-10977bf6578e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:41:57,103 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:41:57,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:41:57,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:41:57,104 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:41:57,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:41:57,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:41:57,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:41:57,106 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:41:57,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:41:57,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:41:57,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:41:57,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:41:57,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:41:57,108 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:41:57,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:41:57,109 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:41:57,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:41:57,109 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:41:57,109 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:41:57,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:41:57,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:41:57,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:41:57,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:41:57,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:41:57,111 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:41:57,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:41:57,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:41:57,112 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_a9038c5b-668c-4bbc-a85b-10977bf6578e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9038c5b-668c-4bbc-a85b-10977bf6578e/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18109727250eb1381930d8aaafdae0292d28a8ed5b596799ffcb5b6182c9c1e9 [2022-11-20 17:41:57,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:41:57,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:41:57,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:41:57,504 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:41:57,504 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:41:57,506 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9038c5b-668c-4bbc-a85b-10977bf6578e/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_04_bad.i [2022-11-20 17:42:00,659 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:42:01,123 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:42:01,123 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9038c5b-668c-4bbc-a85b-10977bf6578e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_04_bad.i [2022-11-20 17:42:01,155 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9038c5b-668c-4bbc-a85b-10977bf6578e/bin/ukojak-pZX7IvK2PQ/data/2d6878265/7e775828788f469589d0be96e972e9ac/FLAG8fe933e1e [2022-11-20 17:42:01,180 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9038c5b-668c-4bbc-a85b-10977bf6578e/bin/ukojak-pZX7IvK2PQ/data/2d6878265/7e775828788f469589d0be96e972e9ac [2022-11-20 17:42:01,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:42:01,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:42:01,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:42:01,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:42:01,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:42:01,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:42:01" (1/1) ... [2022-11-20 17:42:01,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@516392ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:01, skipping insertion in model container [2022-11-20 17:42:01,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:42:01" (1/1) ... [2022-11-20 17:42:01,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:42:01,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:42:01,742 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:42:02,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:42:02,286 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:42:02,312 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:42:02,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:42:02,533 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:42:02,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:02 WrapperNode [2022-11-20 17:42:02,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:42:02,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:42:02,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:42:02,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:42:02,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:02" (1/1) ... [2022-11-20 17:42:02,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:02" (1/1) ... [2022-11-20 17:42:02,598 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2022-11-20 17:42:02,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:42:02,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:42:02,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:42:02,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:42:02,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:02" (1/1) ... [2022-11-20 17:42:02,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:02" (1/1) ... [2022-11-20 17:42:02,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:02" (1/1) ... [2022-11-20 17:42:02,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:02" (1/1) ... [2022-11-20 17:42:02,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:02" (1/1) ... [2022-11-20 17:42:02,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:02" (1/1) ... [2022-11-20 17:42:02,626 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:02" (1/1) ... [2022-11-20 17:42:02,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:02" (1/1) ... [2022-11-20 17:42:02,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:42:02,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:42:02,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:42:02,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:42:02,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:02" (1/1) ... [2022-11-20 17:42:02,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:42:02,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9038c5b-668c-4bbc-a85b-10977bf6578e/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:42:02,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9038c5b-668c-4bbc-a85b-10977bf6578e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:42:02,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9038c5b-668c-4bbc-a85b-10977bf6578e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:42:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:42:02,750 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:42:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:42:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:42:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:42:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:42:02,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:42:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:42:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:42:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:42:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:42:03,016 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:42:03,018 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:42:03,164 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:42:03,218 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:42:03,218 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:42:03,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:42:03 BoogieIcfgContainer [2022-11-20 17:42:03,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:42:03,223 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:42:03,223 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:42:03,236 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:42:03,236 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:42:03" (1/1) ... [2022-11-20 17:42:03,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:42:03,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:03,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-11-20 17:42:03,319 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-20 17:42:03,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:42:03,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:03,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:04,067 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 17:42:04,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:04,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-20 17:42:04,159 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-20 17:42:04,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:42:04,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:04,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:42:04,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:42:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:42:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:42:04,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:42:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:42:04,374 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 17:42:04,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:42:04 ImpRootNode [2022-11-20 17:42:04,449 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:42:04,449 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:42:04,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:42:04,450 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:42:04,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:42:03" (3/4) ... [2022-11-20 17:42:04,453 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 17:42:04,498 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9038c5b-668c-4bbc-a85b-10977bf6578e/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:42:04,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:42:04,499 INFO L158 Benchmark]: Toolchain (without parser) took 3310.25ms. Allocated memory is still 155.2MB. Free memory was 112.9MB in the beginning and 89.5MB in the end (delta: 23.4MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-11-20 17:42:04,500 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:42:04,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1341.42ms. Allocated memory is still 155.2MB. Free memory was 112.4MB in the beginning and 71.8MB in the end (delta: 40.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-20 17:42:04,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.48ms. Allocated memory is still 155.2MB. Free memory was 71.8MB in the beginning and 69.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:42:04,502 INFO L158 Benchmark]: Boogie Preprocessor took 31.60ms. Allocated memory is still 155.2MB. Free memory was 68.9MB in the beginning and 67.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:42:04,503 INFO L158 Benchmark]: RCFGBuilder took 590.40ms. Allocated memory is still 155.2MB. Free memory was 67.6MB in the beginning and 52.5MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:42:04,504 INFO L158 Benchmark]: CodeCheck took 1226.27ms. Allocated memory is still 155.2MB. Free memory was 52.5MB in the beginning and 91.6MB in the end (delta: -39.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:42:04,504 INFO L158 Benchmark]: Witness Printer took 49.02ms. Allocated memory is still 155.2MB. Free memory was 91.6MB in the beginning and 89.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:42:04,508 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, 14 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, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 4 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 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, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 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: 1561]: 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); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] 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}, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [\old(argc)=19, argc=19, argv={18:13}, argv={18:13}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_postdec_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1558] COND TRUE \read(STATIC_CONST_TRUE) [L1561] EXPR \read(data) [L1561] data-- VAL [\read(data)=-2147483648, data={5855:0}, 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, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1341.42ms. Allocated memory is still 155.2MB. Free memory was 112.4MB in the beginning and 71.8MB in the end (delta: 40.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.48ms. Allocated memory is still 155.2MB. Free memory was 71.8MB in the beginning and 69.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.60ms. Allocated memory is still 155.2MB. Free memory was 68.9MB in the beginning and 67.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 590.40ms. Allocated memory is still 155.2MB. Free memory was 67.6MB in the beginning and 52.5MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1226.27ms. Allocated memory is still 155.2MB. Free memory was 52.5MB in the beginning and 91.6MB in the end (delta: -39.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 49.02ms. Allocated memory is still 155.2MB. Free memory was 91.6MB in the beginning and 89.5MB 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 17:42:04,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9038c5b-668c-4bbc-a85b-10977bf6578e/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)