./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_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_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/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_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/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_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/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 062da61e5fdd3ead1d11c26be7e8f8fa9035a37b165d89a86763ed8c1da36c57 --- 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 16:10:56,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:10:56,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:10:56,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:10:56,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:10:56,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:10:56,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:10:56,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:10:56,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:10:56,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:10:56,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:10:56,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:10:56,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:10:56,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:10:56,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:10:56,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:10:56,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:10:56,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:10:56,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:10:56,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:10:56,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:10:56,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:10:56,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:10:56,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:10:56,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:10:56,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:10:56,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:10:56,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:10:56,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:10:56,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:10:56,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:10:56,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:10:56,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:10:56,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:10:56,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:10:56,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:10:56,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:10:56,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:10:56,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:10:56,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:10:56,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:10:56,393 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-21 16:10:56,420 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:10:56,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:10:56,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:10:56,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:10:56,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:10:56,422 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:10:56,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:10:56,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:10:56,424 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:10:56,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:10:56,424 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:10:56,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:10:56,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:10:56,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:10:56,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:10:56,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:10:56,426 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 16:10:56,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:10:56,428 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:10:56,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:10:56,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:10:56,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:10:56,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:10:56,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:10:56,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:10:56,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:10:56,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:10:56,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:10:56,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:10:56,432 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:10:56,433 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:10:56,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:10:56,433 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_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 062da61e5fdd3ead1d11c26be7e8f8fa9035a37b165d89a86763ed8c1da36c57 [2022-11-21 16:10:56,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:10:56,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:10:56,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:10:56,785 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:10:56,786 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:10:56,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i [2022-11-21 16:11:00,122 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:11:00,503 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:11:00,504 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i [2022-11-21 16:11:00,525 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/data/6e7e43879/ca67085f87374b18b178a58d7428e8b3/FLAGaf214f2bb [2022-11-21 16:11:00,540 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/data/6e7e43879/ca67085f87374b18b178a58d7428e8b3 [2022-11-21 16:11:00,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:11:00,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:11:00,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:11:00,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:11:00,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:11:00,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:11:00" (1/1) ... [2022-11-21 16:11:00,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@212d4e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:00, skipping insertion in model container [2022-11-21 16:11:00,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:11:00" (1/1) ... [2022-11-21 16:11:00,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:11:00,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:11:01,032 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:11:01,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:11:01,873 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:11:01,913 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:11:01,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:11:02,070 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:11:02,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:02 WrapperNode [2022-11-21 16:11:02,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:11:02,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:11:02,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:11:02,073 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:11:02,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:02" (1/1) ... [2022-11-21 16:11:02,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:02" (1/1) ... [2022-11-21 16:11:02,155 INFO L138 Inliner]: procedures = 501, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2022-11-21 16:11:02,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:11:02,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:11:02,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:11:02,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:11:02,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:02" (1/1) ... [2022-11-21 16:11:02,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:02" (1/1) ... [2022-11-21 16:11:02,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:02" (1/1) ... [2022-11-21 16:11:02,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:02" (1/1) ... [2022-11-21 16:11:02,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:02" (1/1) ... [2022-11-21 16:11:02,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:02" (1/1) ... [2022-11-21 16:11:02,212 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:02" (1/1) ... [2022-11-21 16:11:02,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:02" (1/1) ... [2022-11-21 16:11:02,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:11:02,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:11:02,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:11:02,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:11:02,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:02" (1/1) ... [2022-11-21 16:11:02,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:11:02,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:11:02,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:11:02,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:11:02,305 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 16:11:02,306 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 16:11:02,306 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 16:11:02,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:11:02,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 16:11:02,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:11:02,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:11:02,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:11:02,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:11:02,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:11:02,307 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 16:11:02,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:11:02,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:11:02,497 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:11:02,499 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:11:02,686 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:11:02,698 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:11:02,698 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:11:02,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:11:02 BoogieIcfgContainer [2022-11-21 16:11:02,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:11:02,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:11:02,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:11:02,717 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:11:02,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:11:00" (1/3) ... [2022-11-21 16:11:02,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227e507c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:11:02, skipping insertion in model container [2022-11-21 16:11:02,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:02" (2/3) ... [2022-11-21 16:11:02,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227e507c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:11:02, skipping insertion in model container [2022-11-21 16:11:02,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:11:02" (3/3) ... [2022-11-21 16:11:02,728 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i [2022-11-21 16:11:02,747 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:11:02,747 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-21 16:11:02,815 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:11:02,825 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;@79f927f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:11:02,825 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-21 16:11:02,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 states have internal predecessors, (23), 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 16:11:02,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 16:11:02,840 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:11:02,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:11:02,841 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 16:11:02,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:11:02,847 INFO L85 PathProgramCache]: Analyzing trace with hash -83245182, now seen corresponding path program 1 times [2022-11-21 16:11:02,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:11:02,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114647715] [2022-11-21 16:11:02,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:11:02,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:11:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:11:03,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:11:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:11:03,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:11:03,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:11:03,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114647715] [2022-11-21 16:11:03,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114647715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:11:03,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:11:03,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:11:03,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510594428] [2022-11-21 16:11:03,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:11:03,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:11:03,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:11:03,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:11:03,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:11:03,470 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 states have internal predecessors, (23), 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) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) [2022-11-21 16:11:03,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:11:03,533 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-11-21 16:11:03,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:11:03,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) Word has length 12 [2022-11-21 16:11:03,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:11:03,544 INFO L225 Difference]: With dead ends: 33 [2022-11-21 16:11:03,545 INFO L226 Difference]: Without dead ends: 15 [2022-11-21 16:11:03,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:11:03,552 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 10 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:11:03,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 55 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:11:03,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-21 16:11:03,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-21 16:11:03,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 16:11:03,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-11-21 16:11:03,596 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2022-11-21 16:11:03,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:11:03,598 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-11-21 16:11:03,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) [2022-11-21 16:11:03,599 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-11-21 16:11:03,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 16:11:03,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:11:03,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:11:03,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:11:03,601 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 16:11:03,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:11:03,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1714366711, now seen corresponding path program 1 times [2022-11-21 16:11:03,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:11:03,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422233668] [2022-11-21 16:11:03,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:11:03,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:11:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:11:03,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:11:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:11:03,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:11:03,725 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 16:11:03,728 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-21 16:11:03,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-21 16:11:03,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:11:03,736 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-21 16:11:03,741 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:11:03,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:11:03 BoogieIcfgContainer [2022-11-21 16:11:03,802 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:11:03,803 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:11:03,803 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:11:03,803 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:11:03,803 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:11:02" (3/4) ... [2022-11-21 16:11:03,806 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:11:03,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:11:03,807 INFO L158 Benchmark]: Toolchain (without parser) took 3263.49ms. Allocated memory is still 161.5MB. Free memory was 96.3MB in the beginning and 100.5MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:11:03,808 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:11:03,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1525.99ms. Allocated memory is still 161.5MB. Free memory was 96.2MB in the beginning and 80.8MB in the end (delta: 15.3MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-11-21 16:11:03,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.35ms. Allocated memory is still 161.5MB. Free memory was 80.8MB in the beginning and 77.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:11:03,813 INFO L158 Benchmark]: Boogie Preprocessor took 59.23ms. Allocated memory is still 161.5MB. Free memory was 77.8MB in the beginning and 76.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:11:03,816 INFO L158 Benchmark]: RCFGBuilder took 486.53ms. Allocated memory is still 161.5MB. Free memory was 76.1MB in the beginning and 119.9MB in the end (delta: -43.8MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-11-21 16:11:03,817 INFO L158 Benchmark]: TraceAbstraction took 1088.78ms. Allocated memory is still 161.5MB. Free memory was 119.9MB in the beginning and 101.4MB in the end (delta: 18.5MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-11-21 16:11:03,818 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 161.5MB. Free memory was 101.4MB in the beginning and 100.5MB in the end (delta: 869.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:11:03,825 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1525.99ms. Allocated memory is still 161.5MB. Free memory was 96.2MB in the beginning and 80.8MB in the end (delta: 15.3MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.35ms. Allocated memory is still 161.5MB. Free memory was 80.8MB in the beginning and 77.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.23ms. Allocated memory is still 161.5MB. Free memory was 77.8MB in the beginning and 76.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 486.53ms. Allocated memory is still 161.5MB. Free memory was 76.1MB in the beginning and 119.9MB in the end (delta: -43.8MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1088.78ms. Allocated memory is still 161.5MB. Free memory was 119.9MB in the beginning and 101.4MB in the end (delta: 18.5MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 161.5MB. Free memory was 101.4MB in the beginning and 100.5MB in the end (delta: 869.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1584]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562. 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] [L1575] 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) [L1575] RET printLine("Calling bad()...") VAL [\old(argc)=1073741833, argc=1073741833, argv={1073741829:1073741834}, argv={1073741829:1073741834}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] CALL CWE191_Integer_Underflow__int_fgets_multiply_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fgets_multiply_67_structType myStruct; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1569] myStruct.structFirst = data [L1570] CALL CWE191_Integer_Underflow__int_fgets_multiply_67b_badSink(myStruct) [L1581] EXPR myStruct.structFirst [L1581] int data = myStruct.structFirst; [L1582] COND TRUE data < 0 VAL [data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={6:0}, unknown-#in~myStruct!structFirst-unknown=-1073741825] [L1584] data * 2 VAL [data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={6:0}, unknown-#in~myStruct!structFirst-unknown=-1073741825] - UnprovableResult [Line: 1584]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 55 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 33 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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 could not prove your program: unable to determine feasibility of some traces [2022-11-21 16:11:03,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/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_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/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_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/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_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/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 062da61e5fdd3ead1d11c26be7e8f8fa9035a37b165d89a86763ed8c1da36c57 --- 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 16:11:06,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:11:06,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:11:06,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:11:06,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:11:06,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:11:06,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:11:06,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:11:06,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:11:06,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:11:06,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:11:06,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:11:06,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:11:06,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:11:06,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:11:06,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:11:06,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:11:06,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:11:06,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:11:06,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:11:06,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:11:06,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:11:06,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:11:06,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:11:06,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:11:06,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:11:06,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:11:06,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:11:06,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:11:06,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:11:06,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:11:06,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:11:06,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:11:06,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:11:06,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:11:06,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:11:06,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:11:06,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:11:06,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:11:06,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:11:06,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:11:06,561 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-21 16:11:06,584 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:11:06,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:11:06,585 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:11:06,586 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:11:06,586 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:11:06,587 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:11:06,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:11:06,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:11:06,588 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:11:06,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:11:06,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:11:06,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:11:06,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:11:06,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:11:06,589 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 16:11:06,589 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 16:11:06,590 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 16:11:06,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:11:06,590 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:11:06,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:11:06,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:11:06,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:11:06,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:11:06,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:11:06,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:11:06,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:11:06,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:11:06,592 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 16:11:06,592 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 16:11:06,592 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:11:06,593 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:11:06,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:11:06,593 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 16:11:06,593 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_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 062da61e5fdd3ead1d11c26be7e8f8fa9035a37b165d89a86763ed8c1da36c57 [2022-11-21 16:11:06,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:11:07,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:11:07,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:11:07,012 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:11:07,014 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:11:07,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i [2022-11-21 16:11:10,377 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:11:10,822 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:11:10,823 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i [2022-11-21 16:11:10,846 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/data/1b9798123/afa0264579a0445691068276e553d4ed/FLAG4f344b4d0 [2022-11-21 16:11:10,869 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/data/1b9798123/afa0264579a0445691068276e553d4ed [2022-11-21 16:11:10,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:11:10,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:11:10,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:11:10,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:11:10,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:11:10,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:11:10" (1/1) ... [2022-11-21 16:11:10,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38260a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:10, skipping insertion in model container [2022-11-21 16:11:10,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:11:10" (1/1) ... [2022-11-21 16:11:10,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:11:10,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:11:11,415 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:11:12,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:11:12,118 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:11:12,140 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:11:12,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:11:12,370 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:11:12,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:12 WrapperNode [2022-11-21 16:11:12,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:11:12,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:11:12,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:11:12,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:11:12,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:12" (1/1) ... [2022-11-21 16:11:12,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:12" (1/1) ... [2022-11-21 16:11:12,456 INFO L138 Inliner]: procedures = 506, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2022-11-21 16:11:12,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:11:12,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:11:12,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:11:12,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:11:12,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:12" (1/1) ... [2022-11-21 16:11:12,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:12" (1/1) ... [2022-11-21 16:11:12,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:12" (1/1) ... [2022-11-21 16:11:12,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:12" (1/1) ... [2022-11-21 16:11:12,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:12" (1/1) ... [2022-11-21 16:11:12,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:12" (1/1) ... [2022-11-21 16:11:12,485 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:12" (1/1) ... [2022-11-21 16:11:12,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:12" (1/1) ... [2022-11-21 16:11:12,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:11:12,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:11:12,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:11:12,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:11:12,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:12" (1/1) ... [2022-11-21 16:11:12,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:11:12,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:11:12,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:11:12,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:11:12,585 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 16:11:12,586 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 16:11:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 16:11:12,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:11:12,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 16:11:12,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:11:12,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:11:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:11:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 16:11:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:11:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 16:11:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 16:11:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-21 16:11:12,787 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:11:12,788 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:11:13,105 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:11:13,117 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:11:13,117 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:11:13,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:11:13 BoogieIcfgContainer [2022-11-21 16:11:13,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:11:13,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:11:13,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:11:13,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:11:13,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:11:10" (1/3) ... [2022-11-21 16:11:13,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dff4e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:11:13, skipping insertion in model container [2022-11-21 16:11:13,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:11:12" (2/3) ... [2022-11-21 16:11:13,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dff4e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:11:13, skipping insertion in model container [2022-11-21 16:11:13,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:11:13" (3/3) ... [2022-11-21 16:11:13,129 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i [2022-11-21 16:11:13,160 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:11:13,160 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-21 16:11:13,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dff4e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:11:13, skipping insertion in model container [2022-11-21 16:11:13,162 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:11:13,163 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:11:13,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:11:13,163 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:11:13,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:11:13" (3/3) ... [2022-11-21 16:11:13,169 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:11:13,176 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 16:11:13,185 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-21 16:11:13,185 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-21 16:11:13,185 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 16:11:13,186 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:11:13,239 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:11:13,241 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:11:13,243 INFO L158 Benchmark]: Toolchain (without parser) took 2362.84ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 35.1MB in the beginning and 40.2MB in the end (delta: -5.1MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2022-11-21 16:11:13,243 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 65.0MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:11:13,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1489.13ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 34.9MB in the beginning and 44.3MB in the end (delta: -9.5MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2022-11-21 16:11:13,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.58ms. Allocated memory is still 79.7MB. Free memory was 44.3MB in the beginning and 41.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:11:13,245 INFO L158 Benchmark]: Boogie Preprocessor took 33.18ms. Allocated memory is still 79.7MB. Free memory was 41.1MB in the beginning and 39.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:11:13,246 INFO L158 Benchmark]: RCFGBuilder took 627.86ms. Allocated memory is still 79.7MB. Free memory was 39.1MB in the beginning and 45.8MB in the end (delta: -6.7MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-11-21 16:11:13,246 INFO L158 Benchmark]: TraceAbstraction took 40.65ms. Allocated memory is still 79.7MB. Free memory was 44.9MB in the beginning and 43.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:11:13,247 INFO L158 Benchmark]: Witness Printer took 78.47ms. Allocated memory is still 79.7MB. Free memory was 43.2MB in the beginning and 40.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:11:13,254 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 65.0MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1489.13ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 34.9MB in the beginning and 44.3MB in the end (delta: -9.5MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.58ms. Allocated memory is still 79.7MB. Free memory was 44.3MB in the beginning and 41.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.18ms. Allocated memory is still 79.7MB. Free memory was 41.1MB in the beginning and 39.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 627.86ms. Allocated memory is still 79.7MB. Free memory was 39.1MB in the beginning and 45.8MB in the end (delta: -6.7MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * TraceAbstraction took 40.65ms. Allocated memory is still 79.7MB. Free memory was 44.9MB in the beginning and 43.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 78.47ms. Allocated memory is still 79.7MB. Free memory was 43.2MB in the beginning and 40.2MB in the end (delta: 2.9MB). 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 16:11:13,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc1da51-92a1-4ae7-ada2-c2cb61bd2ade/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 Writing output log to file Ultimate.log Result: TRUE