./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_22_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_3ce9b131-2ab5-4234-8bec-9ab181343b5a/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce9b131-2ab5-4234-8bec-9ab181343b5a/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_3ce9b131-2ab5-4234-8bec-9ab181343b5a/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce9b131-2ab5-4234-8bec-9ab181343b5a/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce9b131-2ab5-4234-8bec-9ab181343b5a/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_3ce9b131-2ab5-4234-8bec-9ab181343b5a/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 d03a4afff3443cd395b49519f3748642f9d5ce3c1abd9c40decd07dfc8e13a27 --- 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 17:06:22,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:06:22,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:06:22,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:06:22,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:06:22,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:06:22,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:06:22,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:06:22,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:06:22,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:06:22,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:06:22,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:06:22,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:06:22,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:06:22,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:06:22,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:06:22,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:06:22,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:06:22,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:06:22,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:06:22,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:06:22,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:06:22,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:06:22,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:06:22,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:06:22,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:06:22,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:06:22,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:06:22,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:06:22,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:06:22,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:06:22,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:06:22,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:06:22,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:06:22,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:06:22,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:06:22,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:06:22,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:06:22,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:06:22,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:06:22,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:06:22,711 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce9b131-2ab5-4234-8bec-9ab181343b5a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:06:22,752 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:06:22,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:06:22,754 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:06:22,754 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:06:22,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:06:22,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:06:22,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:06:22,756 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:06:22,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:06:22,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:06:22,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:06:22,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:06:22,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:06:22,758 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:06:22,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:06:22,759 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:06:22,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:06:22,759 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:06:22,760 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:06:22,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:06:22,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:06:22,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:06:22,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:06:22,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:06:22,761 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:06:22,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:06:22,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:06:22,762 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_3ce9b131-2ab5-4234-8bec-9ab181343b5a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce9b131-2ab5-4234-8bec-9ab181343b5a/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d03a4afff3443cd395b49519f3748642f9d5ce3c1abd9c40decd07dfc8e13a27 [2022-11-20 17:06:23,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:06:23,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:06:23,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:06:23,126 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:06:23,127 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:06:23,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce9b131-2ab5-4234-8bec-9ab181343b5a/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_22_bad.i [2022-11-20 17:06:26,244 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:06:26,621 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:06:26,622 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce9b131-2ab5-4234-8bec-9ab181343b5a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_22_bad.i [2022-11-20 17:06:26,655 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce9b131-2ab5-4234-8bec-9ab181343b5a/bin/ukojak-pZX7IvK2PQ/data/535d951bb/4c75773b895246928ee4befa977eb79c/FLAG4876eb210 [2022-11-20 17:06:26,680 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce9b131-2ab5-4234-8bec-9ab181343b5a/bin/ukojak-pZX7IvK2PQ/data/535d951bb/4c75773b895246928ee4befa977eb79c [2022-11-20 17:06:26,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:06:26,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:06:26,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:06:26,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:06:26,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:06:26,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:06:26" (1/1) ... [2022-11-20 17:06:26,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db6d81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:26, skipping insertion in model container [2022-11-20 17:06:26,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:06:26" (1/1) ... [2022-11-20 17:06:26,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:06:26,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:06:27,173 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:06:27,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:06:27,656 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:06:27,689 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:06:27,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:06:27,938 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:06:27,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:27 WrapperNode [2022-11-20 17:06:27,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:06:27,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:06:27,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:06:27,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:06:27,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:27" (1/1) ... [2022-11-20 17:06:27,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:27" (1/1) ... [2022-11-20 17:06:28,002 INFO L138 Inliner]: procedures = 500, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2022-11-20 17:06:28,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:06:28,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:06:28,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:06:28,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:06:28,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:27" (1/1) ... [2022-11-20 17:06:28,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:27" (1/1) ... [2022-11-20 17:06:28,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:27" (1/1) ... [2022-11-20 17:06:28,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:27" (1/1) ... [2022-11-20 17:06:28,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:27" (1/1) ... [2022-11-20 17:06:28,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:27" (1/1) ... [2022-11-20 17:06:28,026 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:27" (1/1) ... [2022-11-20 17:06:28,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:27" (1/1) ... [2022-11-20 17:06:28,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:06:28,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:06:28,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:06:28,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:06:28,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:06:27" (1/1) ... [2022-11-20 17:06:28,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:06:28,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce9b131-2ab5-4234-8bec-9ab181343b5a/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:06:28,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce9b131-2ab5-4234-8bec-9ab181343b5a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:06:28,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce9b131-2ab5-4234-8bec-9ab181343b5a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:06:28,119 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:06:28,120 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:06:28,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:06:28,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:06:28,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:06:28,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:06:28,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:06:28,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:06:28,121 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:06:28,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:06:28,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:06:28,272 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:06:28,275 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:06:28,493 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:06:28,583 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:06:28,598 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:06:28,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:06:28 BoogieIcfgContainer [2022-11-20 17:06:28,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:06:28,601 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:06:28,602 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:06:28,611 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:06:28,613 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:06:28" (1/1) ... [2022-11-20 17:06:28,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:06:28,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:28,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2022-11-20 17:06:28,778 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-11-20 17:06:28,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:06:28,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:28,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:06:29,170 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 17:06:29,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:06:29,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-11-20 17:06:29,214 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-11-20 17:06:29,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:06:29,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:06:29,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:06:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:06:29,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:06:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:06:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:06:29,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:06:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:06:29,469 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 17:06:29,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:06:29 ImpRootNode [2022-11-20 17:06:29,525 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:06:29,526 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:06:29,526 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:06:29,527 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:06:29,527 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:06:28" (3/4) ... [2022-11-20 17:06:29,530 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 17:06:29,612 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce9b131-2ab5-4234-8bec-9ab181343b5a/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:06:29,612 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:06:29,615 INFO L158 Benchmark]: Toolchain (without parser) took 2926.17ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 71.8MB in the beginning and 149.2MB in the end (delta: -77.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:06:29,618 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 138.4MB. Free memory was 107.8MB in the beginning and 107.7MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:06:29,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1250.74ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 71.6MB in the beginning and 122.4MB in the end (delta: -50.8MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-11-20 17:06:29,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.86ms. Allocated memory is still 209.7MB. Free memory was 122.4MB in the beginning and 119.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:06:29,621 INFO L158 Benchmark]: Boogie Preprocessor took 26.36ms. Allocated memory is still 209.7MB. Free memory was 119.3MB in the beginning and 118.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:06:29,621 INFO L158 Benchmark]: RCFGBuilder took 570.25ms. Allocated memory is still 209.7MB. Free memory was 118.2MB in the beginning and 103.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:06:29,621 INFO L158 Benchmark]: CodeCheck took 923.65ms. Allocated memory is still 209.7MB. Free memory was 103.5MB in the beginning and 151.3MB in the end (delta: -47.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:06:29,622 INFO L158 Benchmark]: Witness Printer took 86.56ms. Allocated memory is still 209.7MB. Free memory was 151.3MB in the beginning and 149.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:06:29,624 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, 15 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, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 9 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, 9 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 47 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, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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: 1573]: 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] int CWE191_Integer_Underflow__int_fscanf_multiply_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_multiply_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, argv={13:12}, argv={13:12}, CWE191_Integer_Underflow__int_fscanf_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_multiply_22_bad() [L1552] int data; [L1553] data = 0 [L1555] CWE191_Integer_Underflow__int_fscanf_multiply_22_badGlobal = 1 [L1556] EXPR \read(data) [L1556] CALL CWE191_Integer_Underflow__int_fscanf_multiply_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_fscanf_multiply_22_badGlobal) VAL [\old(data)=-1073741825, CWE191_Integer_Underflow__int_fscanf_multiply_22_badGlobal=1, data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] COND TRUE data < 0 VAL [\old(data)=-1073741825, CWE191_Integer_Underflow__int_fscanf_multiply_22_badGlobal=1, data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] data * 2 VAL [\old(data)=-1073741825, CWE191_Integer_Underflow__int_fscanf_multiply_22_badGlobal=1, data=-1073741825, 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 0.56ms. Allocated memory is still 138.4MB. Free memory was 107.8MB in the beginning and 107.7MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1250.74ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 71.6MB in the beginning and 122.4MB in the end (delta: -50.8MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.86ms. Allocated memory is still 209.7MB. Free memory was 122.4MB in the beginning and 119.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.36ms. Allocated memory is still 209.7MB. Free memory was 119.3MB in the beginning and 118.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 570.25ms. Allocated memory is still 209.7MB. Free memory was 118.2MB in the beginning and 103.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 923.65ms. Allocated memory is still 209.7MB. Free memory was 103.5MB in the beginning and 151.3MB in the end (delta: -47.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 86.56ms. Allocated memory is still 209.7MB. Free memory was 151.3MB in the beginning and 149.2MB 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 17:06:29,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce9b131-2ab5-4234-8bec-9ab181343b5a/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)