./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f2b0b9e-410d-41ca-af68-c5d297bd1a81/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f2b0b9e-410d-41ca-af68-c5d297bd1a81/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f2b0b9e-410d-41ca-af68-c5d297bd1a81/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f2b0b9e-410d-41ca-af68-c5d297bd1a81/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f2b0b9e-410d-41ca-af68-c5d297bd1a81/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f2b0b9e-410d-41ca-af68-c5d297bd1a81/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ce254cb0f41623a03187416f0939bf166c8907393c5207a40e223807eb8e599a --- 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-38b53e6 [2022-11-25 17:25:30,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:25:30,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:25:30,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:25:30,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:25:30,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:25:30,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:25:30,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:25:30,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:25:30,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:25:30,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:25:30,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:25:30,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:25:30,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:25:30,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:25:30,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:25:30,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:25:30,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:25:30,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:25:30,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:25:30,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:25:30,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:25:30,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:25:30,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:25:30,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:25:30,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:25:30,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:25:30,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:25:30,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:25:30,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:25:30,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:25:30,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:25:30,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:25:30,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:25:30,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:25:30,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:25:30,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:25:30,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:25:30,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:25:30,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:25:30,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:25:30,857 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f2b0b9e-410d-41ca-af68-c5d297bd1a81/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 17:25:30,898 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:25:30,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:25:30,899 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:25:30,900 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:25:30,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:25:30,901 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:25:30,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:25:30,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:25:30,902 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:25:30,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:25:30,904 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:25:30,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:25:30,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:25:30,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:25:30,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:25:30,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:25:30,906 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:25:30,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:25:30,907 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:25:30,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:25:30,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:25:30,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:25:30,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:25:30,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:25:30,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:25:30,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:25:30,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:25:30,909 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:25:30,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:25:30,910 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:25:30,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:25:30,911 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:25:30,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:25:30,911 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6f2b0b9e-410d-41ca-af68-c5d297bd1a81/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f2b0b9e-410d-41ca-af68-c5d297bd1a81/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce254cb0f41623a03187416f0939bf166c8907393c5207a40e223807eb8e599a [2022-11-25 17:25:31,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:25:31,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:25:31,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:25:31,285 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:25:31,286 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:25:31,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f2b0b9e-410d-41ca-af68-c5d297bd1a81/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_15_bad.i [2022-11-25 17:25:34,542 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:25:34,894 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:25:34,894 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f2b0b9e-410d-41ca-af68-c5d297bd1a81/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_15_bad.i [2022-11-25 17:25:34,938 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f2b0b9e-410d-41ca-af68-c5d297bd1a81/bin/uautomizer-ZsLfNo2U6R/data/cb36e716b/bb06935085e44988a07e99432c211f63/FLAG9d77a084e [2022-11-25 17:25:34,958 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f2b0b9e-410d-41ca-af68-c5d297bd1a81/bin/uautomizer-ZsLfNo2U6R/data/cb36e716b/bb06935085e44988a07e99432c211f63 [2022-11-25 17:25:34,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:25:34,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:25:34,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:25:34,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:25:34,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:25:34,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:25:34" (1/1) ... [2022-11-25 17:25:34,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a4c7c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:34, skipping insertion in model container [2022-11-25 17:25:34,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:25:34" (1/1) ... [2022-11-25 17:25:34,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:25:35,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:25:35,546 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:25:36,060 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:25:36,070 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:25:36,074 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:25:36,078 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:25:36,080 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:25:36,129 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:25:36,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:25:36,149 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:25:36,183 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:25:36,268 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:25:36,272 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:25:36,273 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:25:36,282 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:25:36,283 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:25:36,293 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:25:36,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:25:36,448 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:25:36,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:36 WrapperNode [2022-11-25 17:25:36,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:25:36,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:25:36,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:25:36,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:25:36,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:36" (1/1) ... [2022-11-25 17:25:36,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:36" (1/1) ... [2022-11-25 17:25:36,532 INFO L138 Inliner]: procedures = 499, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2022-11-25 17:25:36,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:25:36,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:25:36,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:25:36,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:25:36,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:36" (1/1) ... [2022-11-25 17:25:36,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:36" (1/1) ... [2022-11-25 17:25:36,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:36" (1/1) ... [2022-11-25 17:25:36,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:36" (1/1) ... [2022-11-25 17:25:36,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:36" (1/1) ... [2022-11-25 17:25:36,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:36" (1/1) ... [2022-11-25 17:25:36,558 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:36" (1/1) ... [2022-11-25 17:25:36,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:36" (1/1) ... [2022-11-25 17:25:36,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:25:36,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:25:36,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:25:36,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:25:36,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:36" (1/1) ... [2022-11-25 17:25:36,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:25:36,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f2b0b9e-410d-41ca-af68-c5d297bd1a81/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:25:36,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f2b0b9e-410d-41ca-af68-c5d297bd1a81/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:25:36,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f2b0b9e-410d-41ca-af68-c5d297bd1a81/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:25:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:25:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:25:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:25:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:25:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:25:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:25:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:25:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:25:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:25:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:25:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:25:36,810 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:25:36,812 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:25:36,950 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:25:36,955 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:25:36,956 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:25:36,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:25:36 BoogieIcfgContainer [2022-11-25 17:25:36,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:25:36,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:25:36,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:25:36,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:25:36,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:25:34" (1/3) ... [2022-11-25 17:25:36,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f99abc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:25:36, skipping insertion in model container [2022-11-25 17:25:36,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:36" (2/3) ... [2022-11-25 17:25:36,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f99abc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:25:36, skipping insertion in model container [2022-11-25 17:25:36,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:25:36" (3/3) ... [2022-11-25 17:25:36,966 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_multiply_15_bad.i [2022-11-25 17:25:36,984 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:25:36,985 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 17:25:37,033 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:25:37,039 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@76ebb7af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:25:37,040 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 17:25:37,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 20 states have (on average 1.4) internal successors, (28), 24 states have internal predecessors, (28), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 17:25:37,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 17:25:37,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:25:37,052 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:25:37,053 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:25:37,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:25:37,058 INFO L85 PathProgramCache]: Analyzing trace with hash 957707381, now seen corresponding path program 1 times [2022-11-25 17:25:37,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:25:37,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881993800] [2022-11-25 17:25:37,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:25:37,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:25:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:25:37,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:25:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:25:37,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:25:37,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:25:37,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881993800] [2022-11-25 17:25:37,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881993800] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:25:37,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:25:37,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:25:37,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52347081] [2022-11-25 17:25:37,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:25:37,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:25:37,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:25:37,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:25:37,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:25:37,640 INFO L87 Difference]: Start difference. First operand has 28 states, 20 states have (on average 1.4) internal successors, (28), 24 states have internal predecessors, (28), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:25:37,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:25:37,773 INFO L93 Difference]: Finished difference Result 28 states and 36 transitions. [2022-11-25 17:25:37,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:25:37,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-25 17:25:37,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:25:37,792 INFO L225 Difference]: With dead ends: 28 [2022-11-25 17:25:37,792 INFO L226 Difference]: Without dead ends: 17 [2022-11-25 17:25:37,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:25:37,798 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 2 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:25:37,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 84 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:25:37,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-25 17:25:37,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-25 17:25:37,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 17:25:37,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2022-11-25 17:25:37,852 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 13 [2022-11-25 17:25:37,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:25:37,853 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-25 17:25:37,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:25:37,854 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-25 17:25:37,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 17:25:37,855 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:25:37,855 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:25:37,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:25:37,856 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:25:37,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:25:37,857 INFO L85 PathProgramCache]: Analyzing trace with hash -375842196, now seen corresponding path program 1 times [2022-11-25 17:25:37,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:25:37,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019095203] [2022-11-25 17:25:37,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:25:37,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:25:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:37,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:25:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:37,925 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:25:37,925 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:25:37,927 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 17:25:37,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 17:25:37,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:25:37,932 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 17:25:37,936 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:25:37,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:25:37 BoogieIcfgContainer [2022-11-25 17:25:37,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:25:37,966 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:25:37,966 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:25:37,967 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:25:37,967 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:25:36" (3/4) ... [2022-11-25 17:25:37,969 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 17:25:38,027 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f2b0b9e-410d-41ca-af68-c5d297bd1a81/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:25:38,027 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:25:38,028 INFO L158 Benchmark]: Toolchain (without parser) took 3061.65ms. Allocated memory is still 169.9MB. Free memory was 120.2MB in the beginning and 118.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2022-11-25 17:25:38,029 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory was 65.8MB in the beginning and 65.7MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:25:38,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1477.34ms. Allocated memory is still 169.9MB. Free memory was 119.8MB in the beginning and 108.8MB in the end (delta: 11.0MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2022-11-25 17:25:38,030 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.10ms. Allocated memory is still 169.9MB. Free memory was 108.8MB in the beginning and 105.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:25:38,030 INFO L158 Benchmark]: Boogie Preprocessor took 27.01ms. Allocated memory is still 169.9MB. Free memory was 105.6MB in the beginning and 103.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:25:38,031 INFO L158 Benchmark]: RCFGBuilder took 395.66ms. Allocated memory is still 169.9MB. Free memory was 103.6MB in the beginning and 91.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:25:38,031 INFO L158 Benchmark]: TraceAbstraction took 1006.09ms. Allocated memory is still 169.9MB. Free memory was 89.9MB in the beginning and 120.8MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:25:38,032 INFO L158 Benchmark]: Witness Printer took 61.22ms. Allocated memory is still 169.9MB. Free memory was 120.8MB in the beginning and 118.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:25:38,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory was 65.8MB in the beginning and 65.7MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1477.34ms. Allocated memory is still 169.9MB. Free memory was 119.8MB in the beginning and 108.8MB in the end (delta: 11.0MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.10ms. Allocated memory is still 169.9MB. Free memory was 108.8MB in the beginning and 105.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.01ms. Allocated memory is still 169.9MB. Free memory was 105.6MB in the beginning and 103.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 395.66ms. Allocated memory is still 169.9MB. Free memory was 103.6MB in the beginning and 91.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1006.09ms. Allocated memory is still 169.9MB. Free memory was 89.9MB in the beginning and 120.8MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 61.22ms. Allocated memory is still 169.9MB. Free memory was 120.8MB in the beginning and 118.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1566]: 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [\old(argc)=1073741830, argc=1073741830, argv={1073741828:1073741831}, argv={1073741828:1073741831}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fscanf_multiply_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1563] case 7: [L1564] EXPR \read(data) VAL [\read(data)=1073741824, data={6:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE data > 0 [L1566] EXPR \read(data) VAL [\read(data)=1073741824, data={6:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] data * 2 VAL [\read(data)=1073741824, data={6:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1566]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 54 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 30 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-25 17:25:38,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f2b0b9e-410d-41ca-af68-c5d297bd1a81/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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)