./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_11_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN --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 734d50c80d6cf17c396db83d36fca602dbddd3c09ab595026555aa5c7a4c0a2e --- 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-6b4ec56 [2022-11-20 12:46:01,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:46:01,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:46:01,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:46:01,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:46:01,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:46:01,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:46:01,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:46:01,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:46:01,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:46:01,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:46:01,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:46:01,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:46:01,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:46:01,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:46:01,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:46:01,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:46:01,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:46:01,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:46:01,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:46:01,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:46:01,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:46:01,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:46:01,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:46:01,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:46:01,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:46:01,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:46:01,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:46:01,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:46:01,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:46:01,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:46:01,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:46:01,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:46:01,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:46:01,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:46:01,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:46:01,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:46:01,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:46:01,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:46:01,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:46:01,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:46:01,851 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 12:46:01,896 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:46:01,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:46:01,897 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:46:01,898 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:46:01,898 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:46:01,899 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:46:01,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:46:01,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:46:01,900 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:46:01,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:46:01,901 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:46:01,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:46:01,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:46:01,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:46:01,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:46:01,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:46:01,902 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 12:46:01,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:46:01,902 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:46:01,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:46:01,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:46:01,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:46:01,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:46:01,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:46:01,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:46:01,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:46:01,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:46:01,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:46:01,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:46:01,905 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:46:01,905 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:46:01,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:46:01,905 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_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 734d50c80d6cf17c396db83d36fca602dbddd3c09ab595026555aa5c7a4c0a2e [2022-11-20 12:46:02,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:46:02,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:46:02,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:46:02,208 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:46:02,208 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:46:02,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_11_bad.i [2022-11-20 12:46:05,371 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:46:05,804 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:46:05,806 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_11_bad.i [2022-11-20 12:46:05,830 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/data/995da9419/fe80826fa61d4a5db2e2f3c3b86b6d9c/FLAG8db8d349f [2022-11-20 12:46:05,848 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/data/995da9419/fe80826fa61d4a5db2e2f3c3b86b6d9c [2022-11-20 12:46:05,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:46:05,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:46:05,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:46:05,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:46:05,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:46:05,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:46:05" (1/1) ... [2022-11-20 12:46:05,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60508f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:05, skipping insertion in model container [2022-11-20 12:46:05,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:46:05" (1/1) ... [2022-11-20 12:46:05,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:46:05,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:46:06,328 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:46:06,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:46:06,924 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:46:06,960 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:46:07,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:46:07,194 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:46:07,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:07 WrapperNode [2022-11-20 12:46:07,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:46:07,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:46:07,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:46:07,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:46:07,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:07" (1/1) ... [2022-11-20 12:46:07,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:07" (1/1) ... [2022-11-20 12:46:07,249 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2022-11-20 12:46:07,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:46:07,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:46:07,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:46:07,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:46:07,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:07" (1/1) ... [2022-11-20 12:46:07,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:07" (1/1) ... [2022-11-20 12:46:07,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:07" (1/1) ... [2022-11-20 12:46:07,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:07" (1/1) ... [2022-11-20 12:46:07,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:07" (1/1) ... [2022-11-20 12:46:07,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:07" (1/1) ... [2022-11-20 12:46:07,279 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:07" (1/1) ... [2022-11-20 12:46:07,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:07" (1/1) ... [2022-11-20 12:46:07,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:46:07,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:46:07,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:46:07,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:46:07,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:07" (1/1) ... [2022-11-20 12:46:07,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:46:07,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:07,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:07,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:46:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 12:46:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 12:46:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 12:46:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-11-20 12:46:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-11-20 12:46:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:46:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 12:46:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:46:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:46:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:46:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:46:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 12:46:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:46:07,533 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:46:07,536 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:46:07,707 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:46:07,713 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:46:07,714 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:46:07,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:46:07 BoogieIcfgContainer [2022-11-20 12:46:07,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:46:07,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:46:07,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:46:07,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:46:07,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:46:05" (1/3) ... [2022-11-20 12:46:07,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e221ad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:46:07, skipping insertion in model container [2022-11-20 12:46:07,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:07" (2/3) ... [2022-11-20 12:46:07,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e221ad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:46:07, skipping insertion in model container [2022-11-20 12:46:07,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:46:07" (3/3) ... [2022-11-20 12:46:07,725 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_11_bad.i [2022-11-20 12:46:07,743 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:46:07,744 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 12:46:07,830 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:46:07,837 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;@1e0530ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:46:07,838 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 12:46:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 24 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 12:46:07,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 12:46:07,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:46:07,852 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:46:07,853 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 12:46:07,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:07,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1996056410, now seen corresponding path program 1 times [2022-11-20 12:46:07,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:07,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575648673] [2022-11-20 12:46:07,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:07,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:08,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:46:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:08,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:46:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:08,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:46:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:08,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 12:46:08,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:46:08,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575648673] [2022-11-20 12:46:08,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575648673] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:46:08,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660398364] [2022-11-20 12:46:08,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:08,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:46:08,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:08,343 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:46:08,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 12:46:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:08,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:46:08,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:46:08,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 12:46:08,588 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:46:08,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660398364] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:46:08,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:46:08,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 12:46:08,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951622644] [2022-11-20 12:46:08,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:46:08,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:46:08,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:46:08,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:46:08,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:46:08,648 INFO L87 Difference]: Start difference. First operand has 31 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 24 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 12:46:08,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:46:08,685 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2022-11-20 12:46:08,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:46:08,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2022-11-20 12:46:08,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:46:08,700 INFO L225 Difference]: With dead ends: 44 [2022-11-20 12:46:08,700 INFO L226 Difference]: Without dead ends: 30 [2022-11-20 12:46:08,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:46:08,707 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 9 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:46:08,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 74 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:46:08,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-20 12:46:08,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2022-11-20 12:46:08,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.2) internal successors, (24), 21 states have internal predecessors, (24), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 12:46:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2022-11-20 12:46:08,746 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 21 [2022-11-20 12:46:08,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:46:08,748 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2022-11-20 12:46:08,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 12:46:08,749 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2022-11-20 12:46:08,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 12:46:08,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:46:08,751 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:46:08,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 12:46:08,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:46:08,956 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 12:46:08,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:08,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1748206499, now seen corresponding path program 1 times [2022-11-20 12:46:08,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:08,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196119926] [2022-11-20 12:46:08,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:08,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:09,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:46:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:09,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:46:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:09,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:46:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:09,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 12:46:09,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:46:09,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196119926] [2022-11-20 12:46:09,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196119926] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:46:09,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92055699] [2022-11-20 12:46:09,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:09,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:46:09,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:09,209 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:46:09,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 12:46:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:46:09,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:46:09,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:46:09,337 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 12:46:09,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:46:09,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92055699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:46:09,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:46:09,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-20 12:46:09,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652292433] [2022-11-20 12:46:09,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:46:09,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:46:09,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:46:09,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:46:09,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:46:09,340 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 12:46:09,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:46:09,352 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2022-11-20 12:46:09,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:46:09,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-11-20 12:46:09,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:46:09,353 INFO L225 Difference]: With dead ends: 31 [2022-11-20 12:46:09,353 INFO L226 Difference]: Without dead ends: 23 [2022-11-20 12:46:09,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:46:09,355 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 3 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 46 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 [2022-11-20 12:46:09,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 46 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:46:09,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-20 12:46:09,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-20 12:46:09,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.125) internal successors, (18), 17 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 12:46:09,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2022-11-20 12:46:09,361 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 22 [2022-11-20 12:46:09,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:46:09,361 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2022-11-20 12:46:09,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 12:46:09,362 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2022-11-20 12:46:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 12:46:09,362 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:46:09,363 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:46:09,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:46:09,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:46:09,574 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 12:46:09,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:46:09,575 INFO L85 PathProgramCache]: Analyzing trace with hash 268010891, now seen corresponding path program 1 times [2022-11-20 12:46:09,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:46:09,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878447000] [2022-11-20 12:46:09,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:46:09,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:46:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:09,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:46:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:46:09,657 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:46:09,657 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 12:46:09,659 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-20 12:46:09,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-20 12:46:09,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:46:09,671 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-20 12:46:09,675 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:46:09,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:46:09 BoogieIcfgContainer [2022-11-20 12:46:09,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:46:09,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:46:09,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:46:09,727 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:46:09,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:46:07" (3/4) ... [2022-11-20 12:46:09,732 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 12:46:09,732 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:46:09,735 INFO L158 Benchmark]: Toolchain (without parser) took 3878.32ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 76.1MB in the end (delta: 20.2MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-11-20 12:46:09,738 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:46:09,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1335.72ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 107.1MB in the end (delta: -10.9MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2022-11-20 12:46:09,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.90ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 104.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:46:09,743 INFO L158 Benchmark]: Boogie Preprocessor took 32.69ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:46:09,744 INFO L158 Benchmark]: RCFGBuilder took 432.39ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 89.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 12:46:09,746 INFO L158 Benchmark]: TraceAbstraction took 2008.00ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 76.1MB in the end (delta: 12.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-11-20 12:46:09,747 INFO L158 Benchmark]: Witness Printer took 5.42ms. Allocated memory is still 142.6MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:46:09,749 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1335.72ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 107.1MB in the end (delta: -10.9MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.90ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 104.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.69ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.39ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 89.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2008.00ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 76.1MB in the end (delta: 12.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Witness Printer took 5.42ms. Allocated memory is still 142.6MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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)=2147483651, argc=2147483651, argv={2147483649:2147483652}, argv={2147483649:2147483652}, 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 CWE190_Integer_Overflow__int_fgets_preinc_11_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] RET globalReturnsTrue() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [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=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] RET globalReturnsTrue() VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1566] COND TRUE globalReturnsTrue() [L1569] ++data VAL [data=2147483647, 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 3 procedures, 31 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 120 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 77 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 209 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 8/12 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 [2022-11-20 12:46:09,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN --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 734d50c80d6cf17c396db83d36fca602dbddd3c09ab595026555aa5c7a4c0a2e --- 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-6b4ec56 [2022-11-20 12:46:12,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:46:12,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:46:12,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:46:12,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:46:12,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:46:12,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:46:12,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:46:12,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:46:12,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:46:12,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:46:12,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:46:12,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:46:12,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:46:12,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:46:12,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:46:12,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:46:12,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:46:12,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:46:12,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:46:12,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:46:12,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:46:12,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:46:12,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:46:12,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:46:12,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:46:12,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:46:12,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:46:12,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:46:12,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:46:12,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:46:12,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:46:12,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:46:12,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:46:12,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:46:12,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:46:12,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:46:12,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:46:12,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:46:12,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:46:12,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:46:12,463 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-20 12:46:12,504 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:46:12,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:46:12,506 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:46:12,506 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:46:12,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:46:12,508 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:46:12,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:46:12,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:46:12,509 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:46:12,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:46:12,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:46:12,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:46:12,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:46:12,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:46:12,512 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:46:12,512 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:46:12,512 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:46:12,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:46:12,513 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:46:12,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:46:12,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:46:12,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:46:12,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:46:12,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:46:12,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:46:12,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:46:12,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:46:12,516 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:46:12,516 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:46:12,516 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:46:12,517 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:46:12,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:46:12,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:46:12,518 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_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 734d50c80d6cf17c396db83d36fca602dbddd3c09ab595026555aa5c7a4c0a2e [2022-11-20 12:46:12,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:46:12,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:46:12,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:46:12,914 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:46:12,915 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:46:12,917 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_11_bad.i [2022-11-20 12:46:16,138 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:46:16,597 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:46:16,601 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_11_bad.i [2022-11-20 12:46:16,633 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/data/00dd51471/2acba09dc145433da28ee45d2244337e/FLAG000fc1d56 [2022-11-20 12:46:16,654 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/data/00dd51471/2acba09dc145433da28ee45d2244337e [2022-11-20 12:46:16,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:46:16,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:46:16,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:46:16,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:46:16,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:46:16,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:46:16" (1/1) ... [2022-11-20 12:46:16,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c6e12a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:16, skipping insertion in model container [2022-11-20 12:46:16,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:46:16" (1/1) ... [2022-11-20 12:46:16,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:46:16,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:46:17,175 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:46:18,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:46:18,104 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:46:18,123 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:46:18,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:46:18,320 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:46:18,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:18 WrapperNode [2022-11-20 12:46:18,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:46:18,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:46:18,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:46:18,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:46:18,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:18" (1/1) ... [2022-11-20 12:46:18,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:18" (1/1) ... [2022-11-20 12:46:18,415 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-11-20 12:46:18,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:46:18,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:46:18,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:46:18,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:46:18,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:18" (1/1) ... [2022-11-20 12:46:18,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:18" (1/1) ... [2022-11-20 12:46:18,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:18" (1/1) ... [2022-11-20 12:46:18,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:18" (1/1) ... [2022-11-20 12:46:18,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:18" (1/1) ... [2022-11-20 12:46:18,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:18" (1/1) ... [2022-11-20 12:46:18,453 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:18" (1/1) ... [2022-11-20 12:46:18,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:18" (1/1) ... [2022-11-20 12:46:18,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:46:18,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:46:18,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:46:18,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:46:18,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:18" (1/1) ... [2022-11-20 12:46:18,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:46:18,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:18,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:18,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:46:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 12:46:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 12:46:18,546 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 12:46:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-11-20 12:46:18,546 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-11-20 12:46:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:46:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:46:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:46:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:46:18,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:46:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:46:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 12:46:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 12:46:18,708 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:46:18,710 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:46:18,874 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:46:18,880 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:46:18,880 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:46:18,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:46:18 BoogieIcfgContainer [2022-11-20 12:46:18,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:46:18,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:46:18,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:46:18,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:46:18,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:46:16" (1/3) ... [2022-11-20 12:46:18,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f400e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:46:18, skipping insertion in model container [2022-11-20 12:46:18,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:18" (2/3) ... [2022-11-20 12:46:18,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f400e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:46:18, skipping insertion in model container [2022-11-20 12:46:18,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:46:18" (3/3) ... [2022-11-20 12:46:18,913 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_11_bad.i [2022-11-20 12:46:18,938 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:46:18,954 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-20 12:46:18,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f400e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:46:18, skipping insertion in model container [2022-11-20 12:46:18,956 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:46:18,957 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:46:18,957 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:46:18,957 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:46:18,957 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:46:18" (3/3) ... [2022-11-20 12:46:18,961 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:46:18,968 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 12:46:18,968 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2022-11-20 12:46:18,986 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-20 12:46:18,986 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 12:46:18,986 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 12:46:18,987 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:46:19,045 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:46:19,046 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:46:19,047 INFO L158 Benchmark]: Toolchain (without parser) took 2388.24ms. Allocated memory is still 81.8MB. Free memory was 56.8MB in the beginning and 36.3MB in the end (delta: 20.5MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2022-11-20 12:46:19,048 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:46:19,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1661.12ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 36.3MB in the end (delta: 20.2MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2022-11-20 12:46:19,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.20ms. Allocated memory is still 81.8MB. Free memory was 36.3MB in the beginning and 33.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:46:19,049 INFO L158 Benchmark]: Boogie Preprocessor took 41.04ms. Allocated memory is still 81.8MB. Free memory was 33.1MB in the beginning and 56.1MB in the end (delta: -23.0MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-11-20 12:46:19,049 INFO L158 Benchmark]: RCFGBuilder took 413.17ms. Allocated memory is still 81.8MB. Free memory was 55.7MB in the beginning and 42.3MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 12:46:19,050 INFO L158 Benchmark]: TraceAbstraction took 49.29ms. Allocated memory is still 81.8MB. Free memory was 41.4MB in the beginning and 39.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:46:19,053 INFO L158 Benchmark]: Witness Printer took 89.20ms. Allocated memory is still 81.8MB. Free memory was 39.3MB in the beginning and 36.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:46:19,061 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1661.12ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 36.3MB in the end (delta: 20.2MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.20ms. Allocated memory is still 81.8MB. Free memory was 36.3MB in the beginning and 33.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.04ms. Allocated memory is still 81.8MB. Free memory was 33.1MB in the beginning and 56.1MB in the end (delta: -23.0MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * RCFGBuilder took 413.17ms. Allocated memory is still 81.8MB. Free memory was 55.7MB in the beginning and 42.3MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 49.29ms. Allocated memory is still 81.8MB. Free memory was 41.4MB in the beginning and 39.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 89.20ms. Allocated memory is still 81.8MB. Free memory was 39.3MB in the beginning and 36.3MB in the end (delta: 3.0MB). 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! [2022-11-20 12:46:19,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323afef2-f418-4573-9713-1ab6c95bc3f4/bin/uautomizer-ug76WZFUDN/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