./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a --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 c95f5d6347e5f9c45550d9011b9270dba888b58cc136399add6dc1759e275081 --- 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-b5237d8 [2022-11-21 16:24:37,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:24:37,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:24:37,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:24:37,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:24:37,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:24:37,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:24:37,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:24:37,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:24:37,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:24:37,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:24:37,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:24:37,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:24:37,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:24:37,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:24:37,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:24:37,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:24:37,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:24:37,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:24:37,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:24:37,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:24:37,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:24:37,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:24:37,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:24:37,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:24:37,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:24:37,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:24:37,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:24:37,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:24:37,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:24:37,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:24:37,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:24:37,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:24:37,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:24:37,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:24:37,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:24:37,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:24:37,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:24:37,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:24:37,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:24:37,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:24:37,146 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-21 16:24:37,192 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:24:37,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:24:37,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:24:37,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:24:37,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:24:37,194 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:24:37,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:24:37,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:24:37,196 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:24:37,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:24:37,197 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:24:37,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:24:37,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:24:37,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:24:37,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:24:37,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:24:37,199 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 16:24:37,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:24:37,200 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:24:37,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:24:37,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:24:37,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:24:37,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:24:37,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:24:37,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:24:37,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:24:37,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:24:37,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:24:37,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:24:37,203 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:24:37,204 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:24:37,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:24:37,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c95f5d6347e5f9c45550d9011b9270dba888b58cc136399add6dc1759e275081 [2022-11-21 16:24:37,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:24:37,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:24:37,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:24:37,580 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:24:37,581 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:24:37,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_41_bad.i [2022-11-21 16:24:40,770 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:24:41,161 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:24:41,162 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_41_bad.i [2022-11-21 16:24:41,198 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/data/5b7ac6444/e599726fec4a45ec93d50792da35fcf6/FLAGe3b9b0c90 [2022-11-21 16:24:41,225 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/data/5b7ac6444/e599726fec4a45ec93d50792da35fcf6 [2022-11-21 16:24:41,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:24:41,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:24:41,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:24:41,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:24:41,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:24:41,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:24:41" (1/1) ... [2022-11-21 16:24:41,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50218672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:41, skipping insertion in model container [2022-11-21 16:24:41,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:24:41" (1/1) ... [2022-11-21 16:24:41,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:24:41,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:24:41,881 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:24:43,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:24:43,432 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:24:43,461 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:24:43,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:24:44,004 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:24:44,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:44 WrapperNode [2022-11-21 16:24:44,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:24:44,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:24:44,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:24:44,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:24:44,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:44" (1/1) ... [2022-11-21 16:24:44,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:44" (1/1) ... [2022-11-21 16:24:44,086 INFO L138 Inliner]: procedures = 939, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 53 [2022-11-21 16:24:44,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:24:44,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:24:44,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:24:44,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:24:44,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:44" (1/1) ... [2022-11-21 16:24:44,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:44" (1/1) ... [2022-11-21 16:24:44,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:44" (1/1) ... [2022-11-21 16:24:44,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:44" (1/1) ... [2022-11-21 16:24:44,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:44" (1/1) ... [2022-11-21 16:24:44,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:44" (1/1) ... [2022-11-21 16:24:44,115 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:44" (1/1) ... [2022-11-21 16:24:44,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:44" (1/1) ... [2022-11-21 16:24:44,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:24:44,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:24:44,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:24:44,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:24:44,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:44" (1/1) ... [2022-11-21 16:24:44,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:24:44,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:24:44,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:24:44,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:24:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:24:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:24:44,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:24:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:24:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 16:24:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 16:24:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 16:24:44,202 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 16:24:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:24:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 16:24:44,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:24:44,371 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:24:44,374 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:24:44,633 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:24:44,656 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:24:44,656 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:24:44,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:24:44 BoogieIcfgContainer [2022-11-21 16:24:44,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:24:44,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:24:44,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:24:44,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:24:44,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:24:41" (1/3) ... [2022-11-21 16:24:44,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43a223d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:24:44, skipping insertion in model container [2022-11-21 16:24:44,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:44" (2/3) ... [2022-11-21 16:24:44,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43a223d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:24:44, skipping insertion in model container [2022-11-21 16:24:44,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:24:44" (3/3) ... [2022-11-21 16:24:44,702 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_41_bad.i [2022-11-21 16:24:44,733 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:24:44,746 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-21 16:24:44,836 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:24:44,846 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;@29c12f75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:24:44,847 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-21 16:24:44,853 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-21 16:24:44,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 16:24:44,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:24:44,863 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:24:44,864 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 16:24:44,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:24:44,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1073154618, now seen corresponding path program 1 times [2022-11-21 16:24:44,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:24:44,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477315665] [2022-11-21 16:24:44,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:24:44,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:24:45,097 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 16:24:45,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [189734748] [2022-11-21 16:24:45,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:24:45,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:24:45,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:24:45,114 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:24:45,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:24:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:24:45,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:24:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:24:45,393 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:24:45,396 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 16:24:45,397 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-21 16:24:45,400 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-21 16:24:45,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:24:45,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:24:45,605 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-21 16:24:45,610 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:24:45,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:24:45 BoogieIcfgContainer [2022-11-21 16:24:45,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:24:45,642 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:24:45,642 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:24:45,642 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:24:45,643 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:24:44" (3/4) ... [2022-11-21 16:24:45,647 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:24:45,647 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:24:45,649 INFO L158 Benchmark]: Toolchain (without parser) took 4418.84ms. Allocated memory is still 172.0MB. Free memory was 120.3MB in the beginning and 74.1MB in the end (delta: 46.2MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2022-11-21 16:24:45,649 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 132.1MB. Free memory was 74.4MB in the beginning and 74.3MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:24:45,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2773.78ms. Allocated memory is still 172.0MB. Free memory was 119.8MB in the beginning and 116.1MB in the end (delta: 3.8MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. [2022-11-21 16:24:45,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.65ms. Allocated memory is still 172.0MB. Free memory was 116.1MB in the beginning and 113.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:24:45,651 INFO L158 Benchmark]: Boogie Preprocessor took 31.84ms. Allocated memory is still 172.0MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:24:45,652 INFO L158 Benchmark]: RCFGBuilder took 556.49ms. Allocated memory is still 172.0MB. Free memory was 110.9MB in the beginning and 98.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:24:45,653 INFO L158 Benchmark]: TraceAbstraction took 962.55ms. Allocated memory is still 172.0MB. Free memory was 97.2MB in the beginning and 74.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-21 16:24:45,653 INFO L158 Benchmark]: Witness Printer took 5.31ms. Allocated memory is still 172.0MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:24:45,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 132.1MB. Free memory was 74.4MB in the beginning and 74.3MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2773.78ms. Allocated memory is still 172.0MB. Free memory was 119.8MB in the beginning and 116.1MB in the end (delta: 3.8MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.65ms. Allocated memory is still 172.0MB. Free memory was 116.1MB in the beginning and 113.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.84ms. Allocated memory is still 172.0MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.49ms. Allocated memory is still 172.0MB. Free memory was 110.9MB in the beginning and 98.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 962.55ms. Allocated memory is still 172.0MB. Free memory was 97.2MB in the beginning and 74.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 5.31ms. Allocated memory is still 172.0MB. Free memory is still 74.1MB. There was no memory consumed. 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 - UnprovableResult [Line: 1835]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1847. Possible 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] [L1859] 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) [L1859] RET printLine("Calling bad()...") VAL [\old(argc)=26, argc=26, argv={28:27}, argv={28:27}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1860] CALL CWE190_Integer_Overflow__int_fgets_square_41_bad() [L1841] int data; [L1842] data = 0 [L1844] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1845] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1847] data = atoi(inputBuffer) [L1844] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1854] CALL badSink(data) [L1835] data * data VAL [\old(data)=-113025454, data=-113025454, 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: 1835]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 could not prove your program: unable to determine feasibility of some traces [2022-11-21 16:24:45,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a --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 c95f5d6347e5f9c45550d9011b9270dba888b58cc136399add6dc1759e275081 --- 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-b5237d8 [2022-11-21 16:24:48,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:24:48,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:24:48,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:24:48,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:24:48,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:24:48,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:24:48,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:24:48,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:24:48,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:24:48,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:24:48,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:24:48,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:24:48,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:24:48,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:24:48,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:24:48,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:24:48,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:24:48,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:24:48,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:24:48,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:24:48,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:24:48,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:24:48,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:24:48,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:24:48,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:24:48,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:24:48,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:24:48,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:24:48,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:24:48,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:24:48,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:24:48,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:24:48,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:24:48,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:24:48,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:24:48,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:24:48,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:24:48,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:24:48,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:24:48,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:24:48,528 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-21 16:24:48,578 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:24:48,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:24:48,579 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:24:48,580 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:24:48,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:24:48,581 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:24:48,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:24:48,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:24:48,582 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:24:48,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:24:48,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:24:48,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:24:48,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:24:48,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:24:48,585 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 16:24:48,585 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 16:24:48,585 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 16:24:48,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:24:48,586 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:24:48,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:24:48,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:24:48,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:24:48,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:24:48,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:24:48,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:24:48,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:24:48,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:24:48,588 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 16:24:48,588 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 16:24:48,589 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:24:48,589 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:24:48,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:24:48,590 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 16:24:48,590 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c95f5d6347e5f9c45550d9011b9270dba888b58cc136399add6dc1759e275081 [2022-11-21 16:24:49,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:24:49,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:24:49,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:24:49,038 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:24:49,038 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:24:49,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_41_bad.i [2022-11-21 16:24:52,290 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:24:52,756 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:24:52,757 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_41_bad.i [2022-11-21 16:24:52,779 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/data/ae3965817/2c14946ad8394528b461696d6c927f91/FLAG832e891dc [2022-11-21 16:24:52,796 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/data/ae3965817/2c14946ad8394528b461696d6c927f91 [2022-11-21 16:24:52,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:24:52,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:24:52,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:24:52,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:24:52,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:24:52,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:24:52" (1/1) ... [2022-11-21 16:24:52,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d767e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:52, skipping insertion in model container [2022-11-21 16:24:52,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:24:52" (1/1) ... [2022-11-21 16:24:52,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:24:52,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:24:53,410 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:24:54,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:24:54,665 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:24:54,686 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:24:54,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:24:55,103 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:24:55,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:55 WrapperNode [2022-11-21 16:24:55,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:24:55,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:24:55,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:24:55,105 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:24:55,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:55" (1/1) ... [2022-11-21 16:24:55,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:55" (1/1) ... [2022-11-21 16:24:55,178 INFO L138 Inliner]: procedures = 944, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2022-11-21 16:24:55,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:24:55,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:24:55,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:24:55,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:24:55,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:55" (1/1) ... [2022-11-21 16:24:55,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:55" (1/1) ... [2022-11-21 16:24:55,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:55" (1/1) ... [2022-11-21 16:24:55,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:55" (1/1) ... [2022-11-21 16:24:55,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:55" (1/1) ... [2022-11-21 16:24:55,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:55" (1/1) ... [2022-11-21 16:24:55,208 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:55" (1/1) ... [2022-11-21 16:24:55,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:55" (1/1) ... [2022-11-21 16:24:55,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:24:55,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:24:55,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:24:55,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:24:55,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:55" (1/1) ... [2022-11-21 16:24:55,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:24:55,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:24:55,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:24:55,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:24:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:24:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:24:55,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:24:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:24:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 16:24:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-21 16:24:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 16:24:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 16:24:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 16:24:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:24:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 16:24:55,505 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:24:55,520 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:24:55,744 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:24:55,749 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:24:55,750 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:24:55,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:24:55 BoogieIcfgContainer [2022-11-21 16:24:55,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:24:55,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:24:55,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:24:55,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:24:55,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:24:52" (1/3) ... [2022-11-21 16:24:55,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471fec97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:24:55, skipping insertion in model container [2022-11-21 16:24:55,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:24:55" (2/3) ... [2022-11-21 16:24:55,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471fec97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:24:55, skipping insertion in model container [2022-11-21 16:24:55,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:24:55" (3/3) ... [2022-11-21 16:24:55,761 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_41_bad.i [2022-11-21 16:24:55,794 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:24:55,795 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-21 16:24:55,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471fec97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:24:55, skipping insertion in model container [2022-11-21 16:24:55,796 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:24:55,796 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:24:55,796 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:24:55,797 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:24:55,797 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:24:55" (3/3) ... [2022-11-21 16:24:55,800 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:24:55,806 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 16:24:55,811 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-21 16:24:55,811 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 16:24:55,811 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 16:24:55,812 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:24:55,850 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:24:55,850 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:24:55,852 INFO L158 Benchmark]: Toolchain (without parser) took 3050.23ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 43.8MB in the beginning and 55.1MB in the end (delta: -11.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2022-11-21 16:24:55,853 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory was 32.8MB in the beginning and 32.8MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:24:55,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2301.10ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 43.7MB in the beginning and 47.5MB in the end (delta: -3.8MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2022-11-21 16:24:55,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.79ms. Allocated memory is still 90.2MB. Free memory was 47.5MB in the beginning and 44.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:24:55,854 INFO L158 Benchmark]: Boogie Preprocessor took 34.00ms. Allocated memory is still 90.2MB. Free memory was 43.3MB in the beginning and 41.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:24:55,855 INFO L158 Benchmark]: RCFGBuilder took 537.32ms. Allocated memory is still 90.2MB. Free memory was 41.9MB in the beginning and 27.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 16:24:55,856 INFO L158 Benchmark]: TraceAbstraction took 42.12ms. Allocated memory is still 90.2MB. Free memory was 26.5MB in the beginning and 57.8MB in the end (delta: -31.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2022-11-21 16:24:55,856 INFO L158 Benchmark]: Witness Printer took 53.94ms. Allocated memory is still 90.2MB. Free memory was 57.8MB in the beginning and 55.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:24:55,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory was 32.8MB in the beginning and 32.8MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2301.10ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 43.7MB in the beginning and 47.5MB in the end (delta: -3.8MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.79ms. Allocated memory is still 90.2MB. Free memory was 47.5MB in the beginning and 44.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.00ms. Allocated memory is still 90.2MB. Free memory was 43.3MB in the beginning and 41.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 537.32ms. Allocated memory is still 90.2MB. Free memory was 41.9MB in the beginning and 27.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 42.12ms. Allocated memory is still 90.2MB. Free memory was 26.5MB in the beginning and 57.8MB in the end (delta: -31.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Witness Printer took 53.94ms. Allocated memory is still 90.2MB. Free memory was 57.8MB in the beginning and 55.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-21 16:24:55,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc68571-3bfb-496e-98af-f0c114ac637c/bin/uautomizer-vX5HgA9Q3a/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 Result: TRUE