./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_12_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/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_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/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_0d76b139-ee54-422e-99bd-3e6a2fd87eba/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 dddfccd8da9f12f34e194b4a9fc4c4f6991db16bc01a02bc13eca415e127610f --- 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 17:19:51,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:19:51,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:19:51,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:19:51,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:19:51,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:19:51,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:19:51,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:19:51,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:19:51,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:19:51,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:19:51,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:19:51,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:19:51,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:19:51,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:19:51,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:19:51,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:19:51,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:19:51,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:19:51,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:19:51,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:19:51,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:19:51,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:19:51,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:19:51,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:19:51,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:19:51,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:19:51,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:19:51,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:19:51,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:19:51,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:19:51,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:19:51,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:19:51,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:19:51,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:19:51,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:19:51,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:19:51,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:19:51,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:19:51,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:19:51,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:19:51,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-21 17:19:51,392 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:19:51,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:19:51,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:19:51,394 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:19:51,395 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:19:51,396 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:19:51,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:19:51,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:19:51,397 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:19:51,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:19:51,399 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:19:51,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:19:51,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:19:51,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:19:51,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:19:51,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:19:51,402 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 17:19:51,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:19:51,403 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:19:51,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:19:51,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:19:51,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:19:51,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:19:51,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:19:51,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:19:51,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:19:51,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:19:51,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:19:51,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:19:51,408 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:19:51,408 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:19:51,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:19:51,409 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_0d76b139-ee54-422e-99bd-3e6a2fd87eba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dddfccd8da9f12f34e194b4a9fc4c4f6991db16bc01a02bc13eca415e127610f [2022-11-21 17:19:51,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:19:51,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:19:51,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:19:51,830 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:19:51,831 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:19:51,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_12_bad.i [2022-11-21 17:19:55,420 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:19:55,964 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:19:55,965 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_12_bad.i [2022-11-21 17:19:56,000 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/data/28567d6b7/4119374f092d48e9b19885f12e5a5e0c/FLAG4f6dcf403 [2022-11-21 17:19:56,025 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/data/28567d6b7/4119374f092d48e9b19885f12e5a5e0c [2022-11-21 17:19:56,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:19:56,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:19:56,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:19:56,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:19:56,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:19:56,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:19:56" (1/1) ... [2022-11-21 17:19:56,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157dbec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:56, skipping insertion in model container [2022-11-21 17:19:56,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:19:56" (1/1) ... [2022-11-21 17:19:56,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:19:56,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:19:56,672 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:19:57,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:19:57,386 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:19:57,411 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:19:57,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:19:57,687 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:19:57,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57 WrapperNode [2022-11-21 17:19:57,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:19:57,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:19:57,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:19:57,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:19:57,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:57,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:57,801 INFO L138 Inliner]: procedures = 500, calls = 67, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2022-11-21 17:19:57,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:19:57,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:19:57,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:19:57,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:19:57,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:57,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:57,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:57,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:57,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:57,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:57,847 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:57,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:57,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:19:57,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:19:57,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:19:57,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:19:57,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (1/1) ... [2022-11-21 17:19:57,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:19:57,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:19:57,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:19:57,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:19:57,983 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 17:19:57,984 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 17:19:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 17:19:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-21 17:19:57,984 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-21 17:19:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 17:19:57,984 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 17:19:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:19:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 17:19:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:19:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:19:57,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:19:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:19:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 17:19:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:19:58,179 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:19:58,201 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:19:58,513 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:19:58,520 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:19:58,524 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:19:58,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:19:58 BoogieIcfgContainer [2022-11-21 17:19:58,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:19:58,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:19:58,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:19:58,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:19:58,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:19:56" (1/3) ... [2022-11-21 17:19:58,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18c00f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:19:58, skipping insertion in model container [2022-11-21 17:19:58,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:57" (2/3) ... [2022-11-21 17:19:58,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18c00f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:19:58, skipping insertion in model container [2022-11-21 17:19:58,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:19:58" (3/3) ... [2022-11-21 17:19:58,554 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_12_bad.i [2022-11-21 17:19:58,579 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:19:58,579 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-21 17:19:58,668 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:19:58,678 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;@4262f86d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:19:58,678 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-21 17:19:58,683 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 35 states have internal predecessors, (38), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-21 17:19:58,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 17:19:58,694 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:19:58,695 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:19:58,696 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-21 17:19:58,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:19:58,706 INFO L85 PathProgramCache]: Analyzing trace with hash -30701167, now seen corresponding path program 1 times [2022-11-21 17:19:58,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:19:58,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021858037] [2022-11-21 17:19:58,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:19:58,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:19:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:59,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:19:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:59,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 17:19:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:59,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 17:19:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:59,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 17:19:59,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:19:59,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021858037] [2022-11-21 17:19:59,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021858037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:19:59,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:19:59,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:19:59,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957985549] [2022-11-21 17:19:59,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:19:59,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:19:59,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:19:59,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:19:59,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:19:59,346 INFO L87 Difference]: Start difference. First operand has 43 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 35 states have internal predecessors, (38), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 17:19:59,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:19:59,491 INFO L93 Difference]: Finished difference Result 73 states and 93 transitions. [2022-11-21 17:19:59,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:19:59,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-11-21 17:19:59,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:19:59,505 INFO L225 Difference]: With dead ends: 73 [2022-11-21 17:19:59,506 INFO L226 Difference]: Without dead ends: 41 [2022-11-21 17:19:59,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 17:19:59,520 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 14 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:19:59,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 87 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:19:59,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-21 17:19:59,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2022-11-21 17:19:59,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 28 states have (on average 1.25) internal successors, (35), 32 states have internal predecessors, (35), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-21 17:19:59,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2022-11-21 17:19:59,588 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 22 [2022-11-21 17:19:59,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:19:59,590 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2022-11-21 17:19:59,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 17:19:59,592 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-11-21 17:19:59,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 17:19:59,596 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:19:59,597 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:19:59,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:19:59,598 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-21 17:19:59,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:19:59,602 INFO L85 PathProgramCache]: Analyzing trace with hash -951736103, now seen corresponding path program 1 times [2022-11-21 17:19:59,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:19:59,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103912185] [2022-11-21 17:19:59,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:19:59,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:19:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:59,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:19:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:59,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 17:19:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:59,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 17:19:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:19:59,820 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 17:19:59,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:19:59,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103912185] [2022-11-21 17:19:59,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103912185] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:19:59,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:19:59,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:19:59,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580504739] [2022-11-21 17:19:59,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:19:59,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:19:59,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:19:59,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:19:59,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:19:59,826 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 17:19:59,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:19:59,874 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2022-11-21 17:19:59,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:19:59,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-11-21 17:19:59,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:19:59,880 INFO L225 Difference]: With dead ends: 52 [2022-11-21 17:19:59,881 INFO L226 Difference]: Without dead ends: 40 [2022-11-21 17:19:59,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 17:19:59,889 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 8 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:19:59,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 50 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:19:59,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-21 17:19:59,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-21 17:19:59,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 29 states have (on average 1.206896551724138) internal successors, (35), 32 states have internal predecessors, (35), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-21 17:19:59,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2022-11-21 17:19:59,911 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 23 [2022-11-21 17:19:59,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:19:59,912 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2022-11-21 17:19:59,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 17:19:59,913 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-11-21 17:19:59,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 17:19:59,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:19:59,914 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:19:59,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:19:59,915 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-21 17:19:59,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:19:59,915 INFO L85 PathProgramCache]: Analyzing trace with hash -631698228, now seen corresponding path program 1 times [2022-11-21 17:19:59,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:19:59,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311897964] [2022-11-21 17:19:59,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:19:59,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:19:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:00,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:20:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:00,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 17:20:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:00,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:20:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:20:00,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 17:20:00,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:20:00,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311897964] [2022-11-21 17:20:00,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311897964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:20:00,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:20:00,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:20:00,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121910219] [2022-11-21 17:20:00,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:20:00,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:20:00,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:20:00,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:20:00,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:20:00,050 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 17:20:00,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:20:00,070 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2022-11-21 17:20:00,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:20:00,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2022-11-21 17:20:00,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:20:00,072 INFO L225 Difference]: With dead ends: 40 [2022-11-21 17:20:00,072 INFO L226 Difference]: Without dead ends: 28 [2022-11-21 17:20:00,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 17:20:00,074 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 5 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:20:00,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 50 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:20:00,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-21 17:20:00,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-21 17:20:00,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 22 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-21 17:20:00,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2022-11-21 17:20:00,086 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 24 [2022-11-21 17:20:00,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:20:00,086 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2022-11-21 17:20:00,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 17:20:00,087 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2022-11-21 17:20:00,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 17:20:00,089 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:20:00,089 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:20:00,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 17:20:00,090 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-21 17:20:00,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:20:00,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1892191486, now seen corresponding path program 1 times [2022-11-21 17:20:00,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:20:00,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053884349] [2022-11-21 17:20:00,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:20:00,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:20:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:20:00,157 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:20:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:20:00,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:20:00,243 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 17:20:00,245 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-21 17:20:00,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-21 17:20:00,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-21 17:20:00,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-21 17:20:00,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 17:20:00,253 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-21 17:20:00,258 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:20:00,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:20:00 BoogieIcfgContainer [2022-11-21 17:20:00,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:20:00,333 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:20:00,333 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:20:00,333 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:20:00,334 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:19:58" (3/4) ... [2022-11-21 17:20:00,338 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 17:20:00,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:20:00,340 INFO L158 Benchmark]: Toolchain (without parser) took 4307.82ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 84.1MB in the beginning and 92.2MB in the end (delta: -8.1MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2022-11-21 17:20:00,342 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:20:00,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1655.02ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 83.7MB in the beginning and 101.9MB in the end (delta: -18.1MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2022-11-21 17:20:00,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.54ms. Allocated memory is still 178.3MB. Free memory was 101.6MB in the beginning and 98.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 17:20:00,349 INFO L158 Benchmark]: Boogie Preprocessor took 56.20ms. Allocated memory is still 178.3MB. Free memory was 98.6MB in the beginning and 96.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:20:00,350 INFO L158 Benchmark]: RCFGBuilder took 674.84ms. Allocated memory is still 178.3MB. Free memory was 96.5MB in the beginning and 83.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 17:20:00,351 INFO L158 Benchmark]: TraceAbstraction took 1790.25ms. Allocated memory is still 178.3MB. Free memory was 81.8MB in the beginning and 92.2MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:20:00,351 INFO L158 Benchmark]: Witness Printer took 5.50ms. Allocated memory is still 178.3MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:20:00,362 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1655.02ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 83.7MB in the beginning and 101.9MB in the end (delta: -18.1MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.54ms. Allocated memory is still 178.3MB. Free memory was 101.6MB in the beginning and 98.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.20ms. Allocated memory is still 178.3MB. Free memory was 98.6MB in the beginning and 96.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 674.84ms. Allocated memory is still 178.3MB. Free memory was 96.5MB in the beginning and 83.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1790.25ms. Allocated memory is still 178.3MB. Free memory was 81.8MB in the beginning and 92.2MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.50ms. Allocated memory is still 178.3MB. Free memory is still 92.2MB. 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: 1574]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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] [L1597] 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={5:0}] [L1414] COND TRUE line != ((void *)0) [L1597] RET printLine("Calling bad()...") VAL [\old(argc)=1073741829, argc=1073741829, argv={1073741827:1073741830}, argv={1073741827:1073741830}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1598] CALL CWE191_Integer_Underflow__int_fgets_multiply_12_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(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] [L1570] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1570] RET globalReturnsTrueOrFalse() VAL [data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1570] COND TRUE globalReturnsTrueOrFalse() [L1572] 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] [L1574] 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] - UnprovableResult [Line: 1574]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1584]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - 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 4 procedures, 43 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 187 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 109 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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 17:20:00,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/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_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/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_0d76b139-ee54-422e-99bd-3e6a2fd87eba/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 dddfccd8da9f12f34e194b4a9fc4c4f6991db16bc01a02bc13eca415e127610f --- 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 17:20:03,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:20:03,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:20:03,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:20:03,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:20:03,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:20:03,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:20:03,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:20:03,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:20:03,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:20:03,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:20:03,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:20:03,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:20:03,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:20:03,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:20:03,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:20:03,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:20:03,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:20:03,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:20:03,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:20:03,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:20:03,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:20:03,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:20:03,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:20:03,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:20:03,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:20:03,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:20:03,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:20:03,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:20:03,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:20:03,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:20:03,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:20:03,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:20:03,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:20:03,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:20:03,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:20:03,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:20:03,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:20:03,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:20:03,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:20:03,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:20:03,427 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-21 17:20:03,479 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:20:03,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:20:03,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:20:03,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:20:03,489 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:20:03,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:20:03,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:20:03,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:20:03,491 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:20:03,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:20:03,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:20:03,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:20:03,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:20:03,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:20:03,495 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 17:20:03,495 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 17:20:03,495 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 17:20:03,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:20:03,496 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:20:03,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:20:03,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:20:03,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:20:03,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:20:03,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:20:03,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:20:03,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:20:03,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:20:03,499 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 17:20:03,499 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 17:20:03,499 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:20:03,499 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:20:03,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:20:03,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 17:20:03,500 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_0d76b139-ee54-422e-99bd-3e6a2fd87eba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dddfccd8da9f12f34e194b4a9fc4c4f6991db16bc01a02bc13eca415e127610f [2022-11-21 17:20:03,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:20:03,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:20:03,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:20:03,983 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:20:03,985 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:20:03,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_12_bad.i [2022-11-21 17:20:07,623 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:20:08,157 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:20:08,158 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_12_bad.i [2022-11-21 17:20:08,202 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/data/e62453636/536524f440134f44b2ce557a7228af85/FLAG21b934661 [2022-11-21 17:20:08,228 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/data/e62453636/536524f440134f44b2ce557a7228af85 [2022-11-21 17:20:08,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:20:08,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:20:08,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:20:08,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:20:08,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:20:08,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:20:08" (1/1) ... [2022-11-21 17:20:08,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77b17e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:08, skipping insertion in model container [2022-11-21 17:20:08,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:20:08" (1/1) ... [2022-11-21 17:20:08,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:20:08,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:20:09,013 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:20:09,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:20:09,865 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:20:09,897 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:20:10,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:20:10,255 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:20:10,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10 WrapperNode [2022-11-21 17:20:10,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:20:10,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:20:10,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:20:10,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:20:10,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,369 INFO L138 Inliner]: procedures = 505, calls = 67, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2022-11-21 17:20:10,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:20:10,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:20:10,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:20:10,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:20:10,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,403 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:20:10,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:20:10,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:20:10,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:20:10,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (1/1) ... [2022-11-21 17:20:10,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:20:10,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:20:10,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:20:10,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:20:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 17:20:10,527 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 17:20:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 17:20:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-21 17:20:10,528 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-21 17:20:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 17:20:10,528 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 17:20:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:20:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 17:20:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:20:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:20:10,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:20:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:20:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 17:20:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-21 17:20:10,758 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:20:10,761 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:20:10,981 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:20:10,988 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:20:10,997 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:20:11,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:20:11 BoogieIcfgContainer [2022-11-21 17:20:11,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:20:11,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:20:11,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:20:11,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:20:11,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:20:08" (1/3) ... [2022-11-21 17:20:11,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@780354bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:20:11, skipping insertion in model container [2022-11-21 17:20:11,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:20:10" (2/3) ... [2022-11-21 17:20:11,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@780354bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:20:11, skipping insertion in model container [2022-11-21 17:20:11,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:20:11" (3/3) ... [2022-11-21 17:20:11,035 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_12_bad.i [2022-11-21 17:20:11,060 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:20:11,061 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-21 17:20:11,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@780354bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:20:11, skipping insertion in model container [2022-11-21 17:20:11,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:20:11,065 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:20:11,065 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:20:11,066 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:20:11,066 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:20:11" (3/3) ... [2022-11-21 17:20:11,071 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 17:20:11,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 17:20:11,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2022-11-21 17:20:11,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 17:20:11,091 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-21 17:20:11,092 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-21 17:20:11,092 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 17:20:11,093 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 17:20:11,164 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 17:20:11,170 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:20:11,172 INFO L158 Benchmark]: Toolchain (without parser) took 2933.27ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 52.6MB in the beginning and 62.6MB in the end (delta: -10.1MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2022-11-21 17:20:11,173 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:20:11,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2013.46ms. Allocated memory is still 77.6MB. Free memory was 52.4MB in the beginning and 50.3MB in the end (delta: 2.1MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2022-11-21 17:20:11,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.14ms. Allocated memory is still 77.6MB. Free memory was 50.3MB in the beginning and 47.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:20:11,176 INFO L158 Benchmark]: Boogie Preprocessor took 39.79ms. Allocated memory is still 77.6MB. Free memory was 47.0MB in the beginning and 45.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:20:11,181 INFO L158 Benchmark]: RCFGBuilder took 593.80ms. Allocated memory is still 77.6MB. Free memory was 45.0MB in the beginning and 30.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 17:20:11,181 INFO L158 Benchmark]: TraceAbstraction took 56.17ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 29.9MB in the beginning and 65.7MB in the end (delta: -35.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 17:20:11,182 INFO L158 Benchmark]: Witness Printer took 105.29ms. Allocated memory is still 94.4MB. Free memory was 65.7MB in the beginning and 62.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 17:20:11,188 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2013.46ms. Allocated memory is still 77.6MB. Free memory was 52.4MB in the beginning and 50.3MB in the end (delta: 2.1MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.14ms. Allocated memory is still 77.6MB. Free memory was 50.3MB in the beginning and 47.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.79ms. Allocated memory is still 77.6MB. Free memory was 47.0MB in the beginning and 45.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 593.80ms. Allocated memory is still 77.6MB. Free memory was 45.0MB in the beginning and 30.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 56.17ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 29.9MB in the beginning and 65.7MB in the end (delta: -35.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 105.29ms. Allocated memory is still 94.4MB. Free memory was 65.7MB in the beginning and 62.6MB in the end (delta: 3.1MB). 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 17:20:11,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d76b139-ee54-422e-99bd-3e6a2fd87eba/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