./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_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_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/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_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/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_b05a5510-ff9a-408f-aa05-4605c3de89a6/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 38fcc3ba0e79ee05785e6b414a6eeef679d16b982f49df73c00434a543066b4e --- 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 17:30:32,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:30:32,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:30:32,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:30:32,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:30:32,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:30:32,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:30:32,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:30:32,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:30:32,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:30:32,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:30:32,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:30:32,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:30:32,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:30:32,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:30:32,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:30:32,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:30:32,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:30:32,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:30:32,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:30:32,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:30:32,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:30:32,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:30:32,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:30:32,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:30:32,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:30:32,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:30:32,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:30:32,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:30:32,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:30:32,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:30:32,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:30:32,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:30:32,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:30:32,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:30:32,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:30:32,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:30:32,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:30:32,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:30:32,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:30:32,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:30:32,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-21 17:30:32,976 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:30:32,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:30:32,978 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:30:32,978 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:30:32,979 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:30:32,980 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:30:32,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:30:32,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:30:32,982 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:30:32,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:30:32,984 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:30:32,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:30:32,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:30:32,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:30:32,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:30:32,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:30:32,985 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 17:30:32,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:30:32,986 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:30:32,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:30:32,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:30:32,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:30:32,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:30:32,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:30:32,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:30:32,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:30:32,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:30:32,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:30:32,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:30:32,991 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:30:32,992 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:30:32,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:30:32,992 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_b05a5510-ff9a-408f-aa05-4605c3de89a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38fcc3ba0e79ee05785e6b414a6eeef679d16b982f49df73c00434a543066b4e [2022-11-21 17:30:33,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:30:33,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:30:33,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:30:33,313 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:30:33,314 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:30:33,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i [2022-11-21 17:30:36,301 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:30:36,712 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:30:36,712 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i [2022-11-21 17:30:36,748 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/data/1c39f66d8/23c0784162314698ab998f2674408226/FLAG8d6aa0a16 [2022-11-21 17:30:36,768 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/data/1c39f66d8/23c0784162314698ab998f2674408226 [2022-11-21 17:30:36,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:30:36,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:30:36,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:30:36,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:30:36,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:30:36,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:30:36" (1/1) ... [2022-11-21 17:30:36,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f5db6df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:36, skipping insertion in model container [2022-11-21 17:30:36,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:30:36" (1/1) ... [2022-11-21 17:30:36,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:30:36,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:30:37,248 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:30:37,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:30:38,003 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:30:38,028 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:30:38,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:30:38,240 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:30:38,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:38 WrapperNode [2022-11-21 17:30:38,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:30:38,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:30:38,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:30:38,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:30:38,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:38" (1/1) ... [2022-11-21 17:30:38,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:38" (1/1) ... [2022-11-21 17:30:38,293 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-11-21 17:30:38,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:30:38,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:30:38,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:30:38,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:30:38,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:38" (1/1) ... [2022-11-21 17:30:38,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:38" (1/1) ... [2022-11-21 17:30:38,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:38" (1/1) ... [2022-11-21 17:30:38,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:38" (1/1) ... [2022-11-21 17:30:38,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:38" (1/1) ... [2022-11-21 17:30:38,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:38" (1/1) ... [2022-11-21 17:30:38,319 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:38" (1/1) ... [2022-11-21 17:30:38,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:38" (1/1) ... [2022-11-21 17:30:38,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:30:38,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:30:38,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:30:38,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:30:38,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:38" (1/1) ... [2022-11-21 17:30:38,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:30:38,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:30:38,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:30:38,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:30:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 17:30:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 17:30:38,440 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 17:30:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:30:38,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 17:30:38,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:30:38,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:30:38,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:30:38,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:30:38,442 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 17:30:38,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:30:38,597 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:30:38,600 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:30:38,744 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:30:38,750 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:30:38,750 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:30:38,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:30:38 BoogieIcfgContainer [2022-11-21 17:30:38,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:30:38,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:30:38,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:30:38,759 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:30:38,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:30:36" (1/3) ... [2022-11-21 17:30:38,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8e25c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:30:38, skipping insertion in model container [2022-11-21 17:30:38,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:38" (2/3) ... [2022-11-21 17:30:38,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8e25c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:30:38, skipping insertion in model container [2022-11-21 17:30:38,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:30:38" (3/3) ... [2022-11-21 17:30:38,762 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i [2022-11-21 17:30:38,783 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:30:38,784 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-21 17:30:38,837 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:30:38,844 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;@5ff5e84a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:30:38,844 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-21 17:30:38,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-21 17:30:38,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 17:30:38,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:30:38,855 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:30:38,855 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 17:30:38,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:30:38,864 INFO L85 PathProgramCache]: Analyzing trace with hash -152054014, now seen corresponding path program 1 times [2022-11-21 17:30:38,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:30:38,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375384936] [2022-11-21 17:30:38,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:30:38,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:30:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:30:39,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:30:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:30:39,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:30:39,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:30:39,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375384936] [2022-11-21 17:30:39,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375384936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:30:39,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:30:39,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:30:39,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971306006] [2022-11-21 17:30:39,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:30:39,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:30:39,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:30:39,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:30:39,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:30:39,187 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:30:39,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:30:39,245 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2022-11-21 17:30:39,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:30:39,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-21 17:30:39,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:30:39,256 INFO L225 Difference]: With dead ends: 40 [2022-11-21 17:30:39,257 INFO L226 Difference]: Without dead ends: 17 [2022-11-21 17:30:39,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:30:39,264 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 23 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:30:39,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:30:39,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-21 17:30:39,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-21 17:30:39,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 17:30:39,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-11-21 17:30:39,306 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2022-11-21 17:30:39,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:30:39,308 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-21 17:30:39,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:30:39,308 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-21 17:30:39,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 17:30:39,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:30:39,310 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:30:39,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:30:39,310 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 17:30:39,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:30:39,312 INFO L85 PathProgramCache]: Analyzing trace with hash -104588099, now seen corresponding path program 1 times [2022-11-21 17:30:39,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:30:39,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645597319] [2022-11-21 17:30:39,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:30:39,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:30:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:30:39,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:30:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:30:39,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:30:39,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:30:39,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645597319] [2022-11-21 17:30:39,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645597319] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:30:39,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:30:39,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:30:39,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324870045] [2022-11-21 17:30:39,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:30:39,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:30:39,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:30:39,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:30:39,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:30:39,479 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:30:39,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:30:39,505 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-11-21 17:30:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:30:39,506 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-21 17:30:39,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:30:39,507 INFO L225 Difference]: With dead ends: 17 [2022-11-21 17:30:39,507 INFO L226 Difference]: Without dead ends: 16 [2022-11-21 17:30:39,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:30:39,509 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 7 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:30:39,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 38 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:30:39,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-21 17:30:39,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-21 17:30:39,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 17:30:39,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-11-21 17:30:39,520 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 13 [2022-11-21 17:30:39,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:30:39,521 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-11-21 17:30:39,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:30:39,523 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-11-21 17:30:39,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 17:30:39,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:30:39,525 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:30:39,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:30:39,525 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 17:30:39,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:30:39,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1052736290, now seen corresponding path program 1 times [2022-11-21 17:30:39,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:30:39,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825099434] [2022-11-21 17:30:39,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:30:39,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:30:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:30:39,593 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:30:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:30:39,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:30:39,659 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 17:30:39,660 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-21 17:30:39,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-21 17:30:39,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 17:30:39,665 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-21 17:30:39,670 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:30:39,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:30:39 BoogieIcfgContainer [2022-11-21 17:30:39,708 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:30:39,709 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:30:39,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:30:39,710 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:30:39,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:30:38" (3/4) ... [2022-11-21 17:30:39,714 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 17:30:39,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:30:39,715 INFO L158 Benchmark]: Toolchain (without parser) took 2943.04ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 90.3MB in the beginning and 120.7MB in the end (delta: -30.4MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-11-21 17:30:39,716 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory was 83.3MB in the beginning and 83.1MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:30:39,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1467.49ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 90.3MB in the beginning and 117.3MB in the end (delta: -26.9MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2022-11-21 17:30:39,718 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.50ms. Allocated memory is still 176.2MB. Free memory was 116.5MB in the beginning and 113.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:30:39,718 INFO L158 Benchmark]: Boogie Preprocessor took 28.75ms. Allocated memory is still 176.2MB. Free memory was 113.6MB in the beginning and 112.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:30:39,719 INFO L158 Benchmark]: RCFGBuilder took 428.19ms. Allocated memory is still 176.2MB. Free memory was 112.3MB in the beginning and 99.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 17:30:39,719 INFO L158 Benchmark]: TraceAbstraction took 953.54ms. Allocated memory is still 176.2MB. Free memory was 98.9MB in the beginning and 120.7MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:30:39,720 INFO L158 Benchmark]: Witness Printer took 5.24ms. Allocated memory is still 176.2MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:30:39,723 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory was 83.3MB in the beginning and 83.1MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1467.49ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 90.3MB in the beginning and 117.3MB in the end (delta: -26.9MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.50ms. Allocated memory is still 176.2MB. Free memory was 116.5MB in the beginning and 113.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.75ms. Allocated memory is still 176.2MB. Free memory was 113.6MB in the beginning and 112.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 428.19ms. Allocated memory is still 176.2MB. Free memory was 112.3MB in the beginning and 99.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 953.54ms. Allocated memory is still 176.2MB. Free memory was 98.9MB in the beginning and 120.7MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.24ms. Allocated memory is still 176.2MB. Free memory is still 120.7MB. 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559. 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); [L1548] static int staticFive = 5; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1579] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1579] RET printLine("Calling bad()...") VAL [\old(argc)=1073741827, argc=1073741827, argv={1073741826:1073741829}, argv={1073741826:1073741829}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1580] CALL CWE191_Integer_Underflow__int_fgets_postdec_07_bad() [L1551] int data; [L1552] 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, staticFive=5] [L1553] COND TRUE staticFive==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1567] COND TRUE staticFive==5 [L1570] data-- VAL [data=-2147483648, data--=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 63 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 40 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 17:30:39,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/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_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/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_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/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_b05a5510-ff9a-408f-aa05-4605c3de89a6/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 38fcc3ba0e79ee05785e6b414a6eeef679d16b982f49df73c00434a543066b4e --- 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 17:30:42,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:30:42,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:30:42,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:30:42,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:30:42,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:30:42,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:30:42,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:30:42,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:30:42,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:30:42,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:30:42,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:30:42,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:30:42,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:30:42,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:30:42,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:30:42,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:30:42,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:30:42,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:30:42,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:30:42,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:30:42,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:30:42,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:30:42,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:30:42,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:30:42,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:30:42,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:30:42,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:30:42,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:30:42,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:30:42,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:30:42,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:30:42,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:30:42,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:30:42,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:30:42,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:30:42,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:30:42,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:30:42,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:30:42,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:30:42,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:30:42,332 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-21 17:30:42,380 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:30:42,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:30:42,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:30:42,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:30:42,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:30:42,385 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:30:42,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:30:42,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:30:42,386 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:30:42,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:30:42,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:30:42,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:30:42,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:30:42,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:30:42,388 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 17:30:42,388 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 17:30:42,389 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 17:30:42,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:30:42,389 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:30:42,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:30:42,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:30:42,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:30:42,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:30:42,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:30:42,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:30:42,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:30:42,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:30:42,391 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 17:30:42,391 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 17:30:42,391 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:30:42,392 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:30:42,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:30:42,392 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 17:30:42,392 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_b05a5510-ff9a-408f-aa05-4605c3de89a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38fcc3ba0e79ee05785e6b414a6eeef679d16b982f49df73c00434a543066b4e [2022-11-21 17:30:42,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:30:42,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:30:42,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:30:42,830 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:30:42,831 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:30:42,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i [2022-11-21 17:30:46,058 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:30:46,478 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:30:46,487 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i [2022-11-21 17:30:46,518 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/data/b93e0c800/5aa87bff14e545fabe30862c91b1d09a/FLAG68ae1119f [2022-11-21 17:30:46,552 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/data/b93e0c800/5aa87bff14e545fabe30862c91b1d09a [2022-11-21 17:30:46,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:30:46,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:30:46,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:30:46,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:30:46,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:30:46,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:30:46" (1/1) ... [2022-11-21 17:30:46,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e01e4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:46, skipping insertion in model container [2022-11-21 17:30:46,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:30:46" (1/1) ... [2022-11-21 17:30:46,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:30:46,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:30:46,997 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:30:47,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:30:47,571 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:30:47,595 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:30:47,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:30:47,851 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:30:47,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:47 WrapperNode [2022-11-21 17:30:47,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:30:47,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:30:47,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:30:47,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:30:47,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:47" (1/1) ... [2022-11-21 17:30:47,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:47" (1/1) ... [2022-11-21 17:30:47,916 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2022-11-21 17:30:47,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:30:47,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:30:47,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:30:47,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:30:47,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:47" (1/1) ... [2022-11-21 17:30:47,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:47" (1/1) ... [2022-11-21 17:30:47,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:47" (1/1) ... [2022-11-21 17:30:47,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:47" (1/1) ... [2022-11-21 17:30:47,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:47" (1/1) ... [2022-11-21 17:30:47,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:47" (1/1) ... [2022-11-21 17:30:47,965 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:47" (1/1) ... [2022-11-21 17:30:47,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:47" (1/1) ... [2022-11-21 17:30:47,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:30:47,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:30:47,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:30:47,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:30:47,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:47" (1/1) ... [2022-11-21 17:30:47,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:30:48,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:30:48,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:30:48,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:30:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 17:30:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 17:30:48,058 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 17:30:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:30:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 17:30:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:30:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:30:48,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:30:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:30:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 17:30:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-21 17:30:48,241 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:30:48,244 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:30:48,420 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:30:48,426 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:30:48,427 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:30:48,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:30:48 BoogieIcfgContainer [2022-11-21 17:30:48,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:30:48,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:30:48,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:30:48,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:30:48,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:30:46" (1/3) ... [2022-11-21 17:30:48,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2becdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:30:48, skipping insertion in model container [2022-11-21 17:30:48,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:47" (2/3) ... [2022-11-21 17:30:48,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2becdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:30:48, skipping insertion in model container [2022-11-21 17:30:48,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:30:48" (3/3) ... [2022-11-21 17:30:48,440 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_postdec_07_bad.i [2022-11-21 17:30:48,467 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:30:48,479 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-21 17:30:48,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2becdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:30:48, skipping insertion in model container [2022-11-21 17:30:48,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:30:48,482 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:30:48,482 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:30:48,483 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:30:48,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:30:48" (3/3) ... [2022-11-21 17:30:48,487 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 17:30:48,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 17:30:48,509 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-21 17:30:48,523 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 17:30:48,523 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 17:30:48,524 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 17:30:48,567 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 17:30:48,567 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:30:48,569 INFO L158 Benchmark]: Toolchain (without parser) took 2011.12ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 33.1MB in the beginning and 40.7MB in the end (delta: -7.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 17:30:48,570 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory was 44.0MB in the beginning and 43.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:30:48,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1292.67ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 32.9MB in the beginning and 42.5MB in the end (delta: -9.6MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2022-11-21 17:30:48,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.08ms. Allocated memory is still 86.0MB. Free memory was 42.5MB in the beginning and 39.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:30:48,572 INFO L158 Benchmark]: Boogie Preprocessor took 52.60ms. Allocated memory is still 86.0MB. Free memory was 39.3MB in the beginning and 37.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:30:48,572 INFO L158 Benchmark]: RCFGBuilder took 459.01ms. Allocated memory is still 86.0MB. Free memory was 37.3MB in the beginning and 46.2MB in the end (delta: -8.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 17:30:48,573 INFO L158 Benchmark]: TraceAbstraction took 49.59ms. Allocated memory is still 86.0MB. Free memory was 45.4MB in the beginning and 43.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:30:48,574 INFO L158 Benchmark]: Witness Printer took 85.23ms. Allocated memory is still 86.0MB. Free memory was 43.5MB in the beginning and 40.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:30:48,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory was 44.0MB in the beginning and 43.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1292.67ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 32.9MB in the beginning and 42.5MB in the end (delta: -9.6MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.08ms. Allocated memory is still 86.0MB. Free memory was 42.5MB in the beginning and 39.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.60ms. Allocated memory is still 86.0MB. Free memory was 39.3MB in the beginning and 37.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.01ms. Allocated memory is still 86.0MB. Free memory was 37.3MB in the beginning and 46.2MB in the end (delta: -8.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 49.59ms. Allocated memory is still 86.0MB. Free memory was 45.4MB in the beginning and 43.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 85.23ms. Allocated memory is still 86.0MB. Free memory was 43.5MB in the beginning and 40.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. 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 17:30:48,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b05a5510-ff9a-408f-aa05-4605c3de89a6/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE