./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_22_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8 --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 7d40eaeb8e3bfc91e51313394c918ebd407b019df8d912d3865786b8331d4074 --- 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-2329fc7 [2022-12-13 20:14:38,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:14:38,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:14:38,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:14:38,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:14:38,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:14:38,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:14:38,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:14:38,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:14:38,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:14:38,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:14:38,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:14:38,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:14:38,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:14:38,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:14:38,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:14:38,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:14:38,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:14:38,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:14:38,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:14:38,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:14:38,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:14:38,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:14:38,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:14:38,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:14:38,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:14:38,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:14:38,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:14:38,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:14:38,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:14:38,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:14:38,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:14:38,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:14:38,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:14:38,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:14:38,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:14:38,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:14:38,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:14:38,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:14:38,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:14:38,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:14:38,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 20:14:38,187 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:14:38,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:14:38,188 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:14:38,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:14:38,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:14:38,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:14:38,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:14:38,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:14:38,190 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:14:38,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:14:38,190 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:14:38,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:14:38,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:14:38,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:14:38,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:14:38,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:14:38,191 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:14:38,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:14:38,191 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:14:38,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:14:38,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:14:38,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:14:38,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:14:38,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:14:38,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:14:38,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:14:38,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:14:38,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:14:38,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:14:38,193 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:14:38,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:14:38,193 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:14:38,194 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:14:38,194 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:14:38,194 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_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d40eaeb8e3bfc91e51313394c918ebd407b019df8d912d3865786b8331d4074 [2022-12-13 20:14:38,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:14:38,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:14:38,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:14:38,409 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:14:38,409 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:14:38,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_22_bad.i [2022-12-13 20:14:41,017 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:14:41,294 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:14:41,294 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_22_bad.i [2022-12-13 20:14:41,315 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/data/838e19289/d28b1360b60e495b98bd0d8f919906f8/FLAG970d8443c [2022-12-13 20:14:41,328 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/data/838e19289/d28b1360b60e495b98bd0d8f919906f8 [2022-12-13 20:14:41,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:14:41,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:14:41,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:14:41,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:14:41,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:14:41,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:14:41" (1/1) ... [2022-12-13 20:14:41,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e41575b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:41, skipping insertion in model container [2022-12-13 20:14:41,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:14:41" (1/1) ... [2022-12-13 20:14:41,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:14:41,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:14:41,717 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:14:42,128 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:14:42,132 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:14:42,133 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:14:42,135 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:14:42,135 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:14:42,170 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:14:42,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:14:42,606 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:14:42,628 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:14:42,655 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:14:42,657 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:14:42,658 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:14:42,660 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:14:42,661 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:14:42,664 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:14:42,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:14:42,936 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:14:42,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:42 WrapperNode [2022-12-13 20:14:42,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:14:42,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:14:42,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:14:42,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:14:42,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:42" (1/1) ... [2022-12-13 20:14:42,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:42" (1/1) ... [2022-12-13 20:14:42,980 INFO L138 Inliner]: procedures = 938, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2022-12-13 20:14:42,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:14:42,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:14:42,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:14:42,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:14:42,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:42" (1/1) ... [2022-12-13 20:14:42,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:42" (1/1) ... [2022-12-13 20:14:42,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:42" (1/1) ... [2022-12-13 20:14:42,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:42" (1/1) ... [2022-12-13 20:14:43,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:42" (1/1) ... [2022-12-13 20:14:43,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:42" (1/1) ... [2022-12-13 20:14:43,004 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:42" (1/1) ... [2022-12-13 20:14:43,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:42" (1/1) ... [2022-12-13 20:14:43,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:14:43,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:14:43,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:14:43,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:14:43,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:42" (1/1) ... [2022-12-13 20:14:43,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:14:43,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:14:43,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:14:43,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:14:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 20:14:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:14:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:14:43,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:14:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:14:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 20:14:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 20:14:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 20:14:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 20:14:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:14:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:14:43,184 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:14:43,186 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:14:43,288 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:14:43,292 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:14:43,293 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:14:43,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:14:43 BoogieIcfgContainer [2022-12-13 20:14:43,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:14:43,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:14:43,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:14:43,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:14:43,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:14:41" (1/3) ... [2022-12-13 20:14:43,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3697c316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:14:43, skipping insertion in model container [2022-12-13 20:14:43,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:14:42" (2/3) ... [2022-12-13 20:14:43,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3697c316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:14:43, skipping insertion in model container [2022-12-13 20:14:43,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:14:43" (3/3) ... [2022-12-13 20:14:43,300 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_22_bad.i [2022-12-13 20:14:43,314 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:14:43,314 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 20:14:43,349 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:14:43,354 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;@30ada3a3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:14:43,354 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 20:14:43,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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) [2022-12-13 20:14:43,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 20:14:43,363 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:14:43,363 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:14:43,363 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:14:43,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:14:43,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2022-12-13 20:14:43,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:14:43,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420389129] [2022-12-13 20:14:43,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:14:43,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:14:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:14:43,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:14:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:14:43,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:14:43,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:14:43,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420389129] [2022-12-13 20:14:43,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420389129] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:14:43,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:14:43,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 20:14:43,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038767123] [2022-12-13 20:14:43,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:14:43,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 20:14:43,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:14:43,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 20:14:43,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:14:43,558 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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) Second operand has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-12-13 20:14:43,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:14:43,570 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-12-13 20:14:43,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 20:14:43,572 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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 10 [2022-12-13 20:14:43,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:14:43,577 INFO L225 Difference]: With dead ends: 21 [2022-12-13 20:14:43,577 INFO L226 Difference]: Without dead ends: 12 [2022-12-13 20:14:43,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:14:43,581 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:14:43,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:14:43,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-12-13 20:14:43,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-12-13 20:14:43,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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) [2022-12-13 20:14:43,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-12-13 20:14:43,605 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2022-12-13 20:14:43,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:14:43,606 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-12-13 20:14:43,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-12-13 20:14:43,606 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-12-13 20:14:43,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 20:14:43,606 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:14:43,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:14:43,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:14:43,607 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:14:43,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:14:43,607 INFO L85 PathProgramCache]: Analyzing trace with hash 51470816, now seen corresponding path program 1 times [2022-12-13 20:14:43,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:14:43,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486489703] [2022-12-13 20:14:43,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:14:43,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:14:43,640 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 20:14:43,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1739573328] [2022-12-13 20:14:43,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:14:43,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:14:43,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:14:43,641 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:14:43,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 20:14:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:14:43,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:14:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:14:43,770 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:14:43,771 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:14:43,772 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 20:14:43,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 20:14:43,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 20:14:43,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:14:43,977 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 20:14:43,980 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:14:43,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:14:43 BoogieIcfgContainer [2022-12-13 20:14:43,998 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:14:43,999 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:14:43,999 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:14:43,999 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:14:43,999 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:14:43" (3/4) ... [2022-12-13 20:14:44,001 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 20:14:44,027 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:14:44,028 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:14:44,028 INFO L158 Benchmark]: Toolchain (without parser) took 2696.13ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 79.9MB in the beginning and 100.2MB in the end (delta: -20.2MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2022-12-13 20:14:44,028 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory is still 44.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:14:44,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1602.99ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 79.9MB in the beginning and 97.5MB in the end (delta: -17.6MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2022-12-13 20:14:44,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.91ms. Allocated memory is still 151.0MB. Free memory was 97.5MB in the beginning and 93.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:14:44,029 INFO L158 Benchmark]: Boogie Preprocessor took 27.82ms. Allocated memory is still 151.0MB. Free memory was 93.3MB in the beginning and 92.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:14:44,030 INFO L158 Benchmark]: RCFGBuilder took 284.50ms. Allocated memory is still 151.0MB. Free memory was 92.3MB in the beginning and 78.6MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 20:14:44,030 INFO L158 Benchmark]: TraceAbstraction took 702.59ms. Allocated memory is still 151.0MB. Free memory was 77.6MB in the beginning and 102.2MB in the end (delta: -24.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:14:44,030 INFO L158 Benchmark]: Witness Printer took 28.97ms. Allocated memory is still 151.0MB. Free memory was 102.2MB in the beginning and 100.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:14:44,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory is still 44.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1602.99ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 79.9MB in the beginning and 97.5MB in the end (delta: -17.6MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.91ms. Allocated memory is still 151.0MB. Free memory was 97.5MB in the beginning and 93.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.82ms. Allocated memory is still 151.0MB. Free memory was 93.3MB in the beginning and 92.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 284.50ms. Allocated memory is still 151.0MB. Free memory was 92.3MB in the beginning and 78.6MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 702.59ms. Allocated memory is still 151.0MB. Free memory was 77.6MB in the beginning and 102.2MB in the end (delta: -24.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 28.97ms. Allocated memory is still 151.0MB. Free memory was 102.2MB in the beginning and 100.2MB 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.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: 1856]: 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 CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal = 0; VAL [CWE190_Integer_Overflow__int_fscanf_square_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] [L1561] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fscanf_square_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)=33, argc=33, argv={35:34}, argv={35:34}, CWE190_Integer_Overflow__int_fscanf_square_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 CWE190_Integer_Overflow__int_fscanf_square_22_bad() [L1552] int data; [L1553] data = 0 [L1555] CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal = 1 [L1556] EXPR \read(data) [L1556] CALL CWE190_Integer_Overflow__int_fscanf_square_22_badSink(data) [L1853] COND TRUE \read(CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal) VAL [\old(data)=56485143, CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal=1, data=56485143, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1856] data * data VAL [\old(data)=56485143, CWE190_Integer_Overflow__int_fscanf_square_22_badGlobal=1, data=56485143, 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: 1856]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 22 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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! [2022-12-13 20:14:44,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c2bbc1-385b-4a2a-826a-9902448e8ffe/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)