./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_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_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/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_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/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_58f51419-a24f-46c8-8331-960c54fc87dc/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 0283ab22a43a29f7242da1a5998f1b6d3ea1b71a52af0be6e9b5ac5ec182a866 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:20:04,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:20:04,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:20:04,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:20:04,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:20:04,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:20:04,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:20:04,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:20:04,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:20:04,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:20:04,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:20:04,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:20:04,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:20:04,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:20:04,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:20:04,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:20:04,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:20:04,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:20:04,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:20:04,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:20:04,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:20:04,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:20:04,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:20:04,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:20:04,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:20:04,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:20:04,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:20:04,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:20:04,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:20:04,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:20:04,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:20:04,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:20:04,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:20:04,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:20:04,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:20:04,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:20:04,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:20:04,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:20:04,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:20:04,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:20:04,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:20:04,608 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-21 16:20:04,654 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:20:04,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:20:04,655 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:20:04,655 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:20:04,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:20:04,656 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:20:04,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:20:04,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:20:04,658 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:20:04,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:20:04,659 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:20:04,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:20:04,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:20:04,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:20:04,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:20:04,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:20:04,661 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 16:20:04,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:20:04,661 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:20:04,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:20:04,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:20:04,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:20:04,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:20:04,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:20:04,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:20:04,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:20:04,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:20:04,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:20:04,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:20:04,665 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:20:04,665 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:20:04,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:20:04,665 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_58f51419-a24f-46c8-8331-960c54fc87dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0283ab22a43a29f7242da1a5998f1b6d3ea1b71a52af0be6e9b5ac5ec182a866 [2022-11-21 16:20:04,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:20:04,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:20:04,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:20:04,954 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:20:04,955 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:20:04,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_bad.i [2022-11-21 16:20:08,159 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:20:08,644 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:20:08,647 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_bad.i [2022-11-21 16:20:08,680 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/data/be2eb6638/e20dd0ea91d549ca817a84f7e231515c/FLAGea7d7cb2d [2022-11-21 16:20:08,696 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/data/be2eb6638/e20dd0ea91d549ca817a84f7e231515c [2022-11-21 16:20:08,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:20:08,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:20:08,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:20:08,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:20:08,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:20:08,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:20:08" (1/1) ... [2022-11-21 16:20:08,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3adb62e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:08, skipping insertion in model container [2022-11-21 16:20:08,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:20:08" (1/1) ... [2022-11-21 16:20:08,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:20:08,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:20:09,151 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:20:09,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:20:09,795 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:20:09,816 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:20:09,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:20:10,024 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:20:10,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:10 WrapperNode [2022-11-21 16:20:10,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:20:10,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:20:10,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:20:10,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:20:10,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:10" (1/1) ... [2022-11-21 16:20:10,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:10" (1/1) ... [2022-11-21 16:20:10,118 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-11-21 16:20:10,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:20:10,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:20:10,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:20:10,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:20:10,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:10" (1/1) ... [2022-11-21 16:20:10,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:10" (1/1) ... [2022-11-21 16:20:10,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:10" (1/1) ... [2022-11-21 16:20:10,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:10" (1/1) ... [2022-11-21 16:20:10,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:10" (1/1) ... [2022-11-21 16:20:10,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:10" (1/1) ... [2022-11-21 16:20:10,171 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:10" (1/1) ... [2022-11-21 16:20:10,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:10" (1/1) ... [2022-11-21 16:20:10,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:20:10,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:20:10,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:20:10,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:20:10,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:10" (1/1) ... [2022-11-21 16:20:10,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:20:10,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:20:10,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:20:10,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:20:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 16:20:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 16:20:10,266 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 16:20:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:20:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 16:20:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:20:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:20:10,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:20:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:20:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 16:20:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:20:10,506 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:20:10,508 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:20:10,647 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:20:10,653 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:20:10,653 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:20:10,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:20:10 BoogieIcfgContainer [2022-11-21 16:20:10,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:20:10,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:20:10,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:20:10,662 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:20:10,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:20:08" (1/3) ... [2022-11-21 16:20:10,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7282ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:20:10, skipping insertion in model container [2022-11-21 16:20:10,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:10" (2/3) ... [2022-11-21 16:20:10,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7282ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:20:10, skipping insertion in model container [2022-11-21 16:20:10,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:20:10" (3/3) ... [2022-11-21 16:20:10,666 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_postdec_09_bad.i [2022-11-21 16:20:10,687 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:20:10,688 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-21 16:20:10,741 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:20:10,748 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;@2be70ec8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:20:10,748 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-21 16:20:10,752 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 16:20:10,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 16:20:10,761 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:10,762 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:20:10,762 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 16:20:10,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:10,769 INFO L85 PathProgramCache]: Analyzing trace with hash -152054014, now seen corresponding path program 1 times [2022-11-21 16:20:10,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:20:10,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956668971] [2022-11-21 16:20:10,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:10,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:20:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:11,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:20:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:11,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:20:11,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:20:11,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956668971] [2022-11-21 16:20:11,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956668971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:20:11,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:20:11,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:20:11,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314626425] [2022-11-21 16:20:11,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:20:11,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:20:11,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:20:11,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:20:11,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:20:11,258 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 16:20:11,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:20:11,296 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2022-11-21 16:20:11,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:20:11,305 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 16:20:11,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:20:11,314 INFO L225 Difference]: With dead ends: 40 [2022-11-21 16:20:11,314 INFO L226 Difference]: Without dead ends: 17 [2022-11-21 16:20:11,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:20:11,360 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 16:20:11,361 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 16:20:11,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-21 16:20:11,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-21 16:20:11,410 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 16:20:11,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-11-21 16:20:11,414 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2022-11-21 16:20:11,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:20:11,424 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-21 16:20:11,425 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 16:20:11,425 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-21 16:20:11,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 16:20:11,427 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:11,427 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:20:11,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:20:11,428 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 16:20:11,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:11,431 INFO L85 PathProgramCache]: Analyzing trace with hash -104588099, now seen corresponding path program 1 times [2022-11-21 16:20:11,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:20:11,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350325174] [2022-11-21 16:20:11,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:11,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:20:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:11,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:20:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:11,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:20:11,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:20:11,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350325174] [2022-11-21 16:20:11,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350325174] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:20:11,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:20:11,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:20:11,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440100871] [2022-11-21 16:20:11,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:20:11,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:20:11,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:20:11,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:20:11,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:20:11,631 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 16:20:11,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:20:11,672 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-11-21 16:20:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:20:11,674 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 16:20:11,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:20:11,674 INFO L225 Difference]: With dead ends: 17 [2022-11-21 16:20:11,676 INFO L226 Difference]: Without dead ends: 16 [2022-11-21 16:20:11,676 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 16:20:11,678 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 16:20:11,680 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 16:20:11,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-21 16:20:11,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-21 16:20:11,687 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 16:20:11,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-11-21 16:20:11,688 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 13 [2022-11-21 16:20:11,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:20:11,689 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-11-21 16:20:11,689 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 16:20:11,689 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-11-21 16:20:11,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 16:20:11,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:11,690 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:20:11,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:20:11,690 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 16:20:11,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:11,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1052736290, now seen corresponding path program 1 times [2022-11-21 16:20:11,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:20:11,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246843889] [2022-11-21 16:20:11,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:11,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:20:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:20:11,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:20:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:20:11,800 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:20:11,802 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 16:20:11,804 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-21 16:20:11,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-21 16:20:11,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:20:11,811 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-21 16:20:11,815 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:20:11,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:20:11 BoogieIcfgContainer [2022-11-21 16:20:11,869 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:20:11,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:20:11,870 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:20:11,871 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:20:11,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:20:10" (3/4) ... [2022-11-21 16:20:11,875 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:20:11,875 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:20:11,878 INFO L158 Benchmark]: Toolchain (without parser) took 3175.93ms. Allocated memory is still 155.2MB. Free memory was 108.6MB in the beginning and 95.8MB in the end (delta: 12.8MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-11-21 16:20:11,878 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory was 63.2MB in the beginning and 63.1MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:20:11,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1324.06ms. Allocated memory is still 155.2MB. Free memory was 108.6MB in the beginning and 96.3MB in the end (delta: 12.3MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2022-11-21 16:20:11,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.59ms. Allocated memory is still 155.2MB. Free memory was 96.3MB in the beginning and 92.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:20:11,889 INFO L158 Benchmark]: Boogie Preprocessor took 54.82ms. Allocated memory is still 155.2MB. Free memory was 92.9MB in the beginning and 92.1MB in the end (delta: 843.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:20:11,889 INFO L158 Benchmark]: RCFGBuilder took 480.42ms. Allocated memory is still 155.2MB. Free memory was 92.1MB in the beginning and 79.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:20:11,890 INFO L158 Benchmark]: TraceAbstraction took 1210.68ms. Allocated memory is still 155.2MB. Free memory was 78.2MB in the beginning and 96.9MB in the end (delta: -18.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:20:11,891 INFO L158 Benchmark]: Witness Printer took 6.54ms. Allocated memory is still 155.2MB. Free memory was 96.9MB in the beginning and 95.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:20:11,895 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory was 63.2MB in the beginning and 63.1MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1324.06ms. Allocated memory is still 155.2MB. Free memory was 108.6MB in the beginning and 96.3MB in the end (delta: 12.3MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.59ms. Allocated memory is still 155.2MB. Free memory was 96.3MB in the beginning and 92.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.82ms. Allocated memory is still 155.2MB. Free memory was 92.9MB in the beginning and 92.1MB in the end (delta: 843.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 480.42ms. Allocated memory is still 155.2MB. Free memory was 92.1MB in the beginning and 79.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1210.68ms. Allocated memory is still 155.2MB. Free memory was 78.2MB in the beginning and 96.9MB in the end (delta: -18.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.54ms. Allocated memory is still 155.2MB. Free memory was 96.9MB in the beginning and 95.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1569]: 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] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [\old(argc)=1073741830, argc=1073741830, argv={1073741827:1073741831}, argv={1073741827:1073741831}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_fgets_postdec_09_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] COND TRUE \read(GLOBAL_CONST_TRUE) [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=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE \read(GLOBAL_CONST_TRUE) [L1569] 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] - UnprovableResult [Line: 1569]: 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: 1.1s, 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, 0.4s 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 16:20:11,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/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_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/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_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/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_58f51419-a24f-46c8-8331-960c54fc87dc/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 0283ab22a43a29f7242da1a5998f1b6d3ea1b71a52af0be6e9b5ac5ec182a866 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:20:14,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:20:14,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:20:14,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:20:14,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:20:14,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:20:14,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:20:14,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:20:14,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:20:14,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:20:14,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:20:14,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:20:14,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:20:14,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:20:14,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:20:14,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:20:14,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:20:14,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:20:14,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:20:14,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:20:14,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:20:14,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:20:14,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:20:14,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:20:14,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:20:14,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:20:14,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:20:14,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:20:14,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:20:14,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:20:14,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:20:14,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:20:14,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:20:14,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:20:14,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:20:14,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:20:14,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:20:14,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:20:14,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:20:14,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:20:14,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:20:14,619 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-21 16:20:14,656 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:20:14,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:20:14,658 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:20:14,658 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:20:14,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:20:14,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:20:14,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:20:14,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:20:14,660 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:20:14,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:20:14,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:20:14,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:20:14,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:20:14,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:20:14,662 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 16:20:14,662 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 16:20:14,663 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 16:20:14,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:20:14,663 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:20:14,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:20:14,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:20:14,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:20:14,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:20:14,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:20:14,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:20:14,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:20:14,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:20:14,665 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 16:20:14,665 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 16:20:14,665 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:20:14,665 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:20:14,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:20:14,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 16:20:14,666 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_58f51419-a24f-46c8-8331-960c54fc87dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0283ab22a43a29f7242da1a5998f1b6d3ea1b71a52af0be6e9b5ac5ec182a866 [2022-11-21 16:20:15,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:20:15,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:20:15,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:20:15,063 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:20:15,063 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:20:15,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_bad.i [2022-11-21 16:20:18,266 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:20:18,721 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:20:18,722 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_09_bad.i [2022-11-21 16:20:18,740 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/data/23ab6d64c/43797832fded4960a22f9d5185dbef0f/FLAG74361c060 [2022-11-21 16:20:18,766 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/data/23ab6d64c/43797832fded4960a22f9d5185dbef0f [2022-11-21 16:20:18,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:20:18,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:20:18,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:20:18,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:20:18,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:20:18,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:20:18" (1/1) ... [2022-11-21 16:20:18,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f44f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:18, skipping insertion in model container [2022-11-21 16:20:18,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:20:18" (1/1) ... [2022-11-21 16:20:18,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:20:18,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:20:19,287 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:20:19,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:20:19,838 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:20:19,859 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:20:19,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:20:20,125 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:20:20,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:20 WrapperNode [2022-11-21 16:20:20,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:20:20,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:20:20,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:20:20,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:20:20,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:20" (1/1) ... [2022-11-21 16:20:20,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:20" (1/1) ... [2022-11-21 16:20:20,214 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2022-11-21 16:20:20,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:20:20,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:20:20,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:20:20,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:20:20,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:20" (1/1) ... [2022-11-21 16:20:20,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:20" (1/1) ... [2022-11-21 16:20:20,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:20" (1/1) ... [2022-11-21 16:20:20,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:20" (1/1) ... [2022-11-21 16:20:20,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:20" (1/1) ... [2022-11-21 16:20:20,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:20" (1/1) ... [2022-11-21 16:20:20,263 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:20" (1/1) ... [2022-11-21 16:20:20,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:20" (1/1) ... [2022-11-21 16:20:20,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:20:20,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:20:20,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:20:20,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:20:20,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:20" (1/1) ... [2022-11-21 16:20:20,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:20:20,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:20:20,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:20:20,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:20:20,365 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 16:20:20,366 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 16:20:20,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 16:20:20,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:20:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 16:20:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:20:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:20:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:20:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:20:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 16:20:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-21 16:20:20,530 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:20:20,533 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:20:20,685 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:20:20,691 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:20:20,692 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:20:20,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:20:20 BoogieIcfgContainer [2022-11-21 16:20:20,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:20:20,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:20:20,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:20:20,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:20:20,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:20:18" (1/3) ... [2022-11-21 16:20:20,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f254af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:20:20, skipping insertion in model container [2022-11-21 16:20:20,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:20:20" (2/3) ... [2022-11-21 16:20:20,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f254af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:20:20, skipping insertion in model container [2022-11-21 16:20:20,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:20:20" (3/3) ... [2022-11-21 16:20:20,703 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_postdec_09_bad.i [2022-11-21 16:20:20,724 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:20:20,724 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-21 16:20:20,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f254af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:20:20, skipping insertion in model container [2022-11-21 16:20:20,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:20:20,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:20:20,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:20:20,727 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:20:20,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:20:20" (3/3) ... [2022-11-21 16:20:20,731 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:20:20,739 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 16:20:20,743 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-21 16:20:20,759 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 16:20:20,759 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 16:20:20,760 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:20:20,828 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:20:20,831 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:20:20,833 INFO L158 Benchmark]: Toolchain (without parser) took 2061.23ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 49.9MB in the beginning and 60.6MB in the end (delta: -10.7MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2022-11-21 16:20:20,835 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 77.6MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:20:20,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1354.55ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 49.6MB in the beginning and 53.1MB in the end (delta: -3.5MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-11-21 16:20:20,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.12ms. Allocated memory is still 102.8MB. Free memory was 53.1MB in the beginning and 49.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:20:20,846 INFO L158 Benchmark]: Boogie Preprocessor took 53.25ms. Allocated memory is still 102.8MB. Free memory was 49.5MB in the beginning and 47.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:20:20,847 INFO L158 Benchmark]: RCFGBuilder took 424.82ms. Allocated memory is still 102.8MB. Free memory was 47.9MB in the beginning and 66.2MB in the end (delta: -18.3MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2022-11-21 16:20:20,848 INFO L158 Benchmark]: TraceAbstraction took 29.90ms. Allocated memory is still 102.8MB. Free memory was 65.7MB in the beginning and 63.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:20:20,848 INFO L158 Benchmark]: Witness Printer took 104.37ms. Allocated memory is still 102.8MB. Free memory was 63.4MB in the beginning and 60.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:20:20,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 77.6MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1354.55ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 49.6MB in the beginning and 53.1MB in the end (delta: -3.5MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.12ms. Allocated memory is still 102.8MB. Free memory was 53.1MB in the beginning and 49.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.25ms. Allocated memory is still 102.8MB. Free memory was 49.5MB in the beginning and 47.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 424.82ms. Allocated memory is still 102.8MB. Free memory was 47.9MB in the beginning and 66.2MB in the end (delta: -18.3MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * TraceAbstraction took 29.90ms. Allocated memory is still 102.8MB. Free memory was 65.7MB in the beginning and 63.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 104.37ms. Allocated memory is still 102.8MB. Free memory was 63.4MB in the beginning and 60.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-21 16:20:20,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58f51419-a24f-46c8-8331-960c54fc87dc/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