./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bd1053-f0cc-47b5-8327-43b4613f62b4/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bd1053-f0cc-47b5-8327-43b4613f62b4/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bd1053-f0cc-47b5-8327-43b4613f62b4/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bd1053-f0cc-47b5-8327-43b4613f62b4/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bd1053-f0cc-47b5-8327-43b4613f62b4/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bd1053-f0cc-47b5-8327-43b4613f62b4/bin/uautomizer-ZsLfNo2U6R --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 e5fe88eb0d7882ecc5473e873fec1b56a1cd3763ec49d82aed56d92b9ef242a6 --- 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-38b53e6 [2022-11-25 15:47:09,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:47:09,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:47:09,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:47:09,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:47:09,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:47:09,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:47:09,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:47:09,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:47:09,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:47:09,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:47:09,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:47:09,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:47:09,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:47:09,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:47:09,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:47:09,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:47:09,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:47:09,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:47:09,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:47:09,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:47:09,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:47:09,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:47:09,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:47:09,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:47:09,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:47:09,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:47:09,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:47:09,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:47:09,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:47:09,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:47:09,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:47:09,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:47:09,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:47:09,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:47:09,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:47:09,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:47:09,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:47:09,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:47:09,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:47:09,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:47:09,942 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bd1053-f0cc-47b5-8327-43b4613f62b4/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 15:47:09,986 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:47:09,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:47:09,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:47:09,988 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:47:09,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:47:09,990 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:47:09,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:47:09,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:47:09,991 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:47:09,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:47:09,993 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:47:09,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:47:09,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:47:09,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:47:09,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:47:09,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:47:09,995 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 15:47:09,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:47:09,995 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:47:09,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:47:09,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:47:09,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:47:09,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:47:09,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:47:09,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:47:09,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:47:09,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:47:09,999 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:47:09,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:47:09,999 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:47:10,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:47:10,001 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:47:10,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:47:10,002 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_41bd1053-f0cc-47b5-8327-43b4613f62b4/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bd1053-f0cc-47b5-8327-43b4613f62b4/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5fe88eb0d7882ecc5473e873fec1b56a1cd3763ec49d82aed56d92b9ef242a6 [2022-11-25 15:47:10,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:47:10,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:47:10,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:47:10,416 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:47:10,417 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:47:10,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bd1053-f0cc-47b5-8327-43b4613f62b4/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_good.i [2022-11-25 15:47:13,869 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:47:14,371 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:47:14,377 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bd1053-f0cc-47b5-8327-43b4613f62b4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_good.i [2022-11-25 15:47:14,412 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bd1053-f0cc-47b5-8327-43b4613f62b4/bin/uautomizer-ZsLfNo2U6R/data/a510ce723/3af44b2cfb5f47b9aef8f78d734c034e/FLAGb6f629309 [2022-11-25 15:47:14,429 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bd1053-f0cc-47b5-8327-43b4613f62b4/bin/uautomizer-ZsLfNo2U6R/data/a510ce723/3af44b2cfb5f47b9aef8f78d734c034e [2022-11-25 15:47:14,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:47:14,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:47:14,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:47:14,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:47:14,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:47:14,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:47:14" (1/1) ... [2022-11-25 15:47:14,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b1dd88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:14, skipping insertion in model container [2022-11-25 15:47:14,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:47:14" (1/1) ... [2022-11-25 15:47:14,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:47:14,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:47:15,066 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:47:15,650 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:47:15,657 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:47:15,660 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:47:15,663 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:47:15,664 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:47:15,705 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:47:15,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:47:15,719 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:47:15,746 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:47:15,808 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:47:15,810 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:47:15,812 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:47:15,815 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:47:15,816 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:47:15,823 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:47:15,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:47:16,002 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:47:16,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:16 WrapperNode [2022-11-25 15:47:16,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:47:16,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:47:16,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:47:16,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:47:16,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:16" (1/1) ... [2022-11-25 15:47:16,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:16" (1/1) ... [2022-11-25 15:47:16,105 INFO L138 Inliner]: procedures = 503, calls = 67, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 71 [2022-11-25 15:47:16,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:47:16,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:47:16,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:47:16,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:47:16,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:16" (1/1) ... [2022-11-25 15:47:16,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:16" (1/1) ... [2022-11-25 15:47:16,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:16" (1/1) ... [2022-11-25 15:47:16,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:16" (1/1) ... [2022-11-25 15:47:16,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:16" (1/1) ... [2022-11-25 15:47:16,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:16" (1/1) ... [2022-11-25 15:47:16,135 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:16" (1/1) ... [2022-11-25 15:47:16,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:16" (1/1) ... [2022-11-25 15:47:16,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:47:16,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:47:16,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:47:16,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:47:16,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:16" (1/1) ... [2022-11-25 15:47:16,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:47:16,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bd1053-f0cc-47b5-8327-43b4613f62b4/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:47:16,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bd1053-f0cc-47b5-8327-43b4613f62b4/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:47:16,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bd1053-f0cc-47b5-8327-43b4613f62b4/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:47:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 15:47:16,218 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 15:47:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 15:47:16,218 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 15:47:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 15:47:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 15:47:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:47:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:47:16,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:47:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 15:47:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 15:47:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 15:47:16,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:47:16,381 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:47:16,392 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:47:16,640 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:47:16,648 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:47:16,648 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:47:16,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:47:16 BoogieIcfgContainer [2022-11-25 15:47:16,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:47:16,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:47:16,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:47:16,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:47:16,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:47:14" (1/3) ... [2022-11-25 15:47:16,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5edb35e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:47:16, skipping insertion in model container [2022-11-25 15:47:16,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:47:16" (2/3) ... [2022-11-25 15:47:16,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5edb35e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:47:16, skipping insertion in model container [2022-11-25 15:47:16,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:47:16" (3/3) ... [2022-11-25 15:47:16,662 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_61_good.i [2022-11-25 15:47:16,686 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:47:16,686 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 15:47:16,745 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:47:16,751 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;@f898a49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:47:16,752 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-25 15:47:16,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 30 states have internal predecessors, (31), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 15:47:16,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 15:47:16,764 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:16,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:16,765 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 15:47:16,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:16,771 INFO L85 PathProgramCache]: Analyzing trace with hash -47500657, now seen corresponding path program 1 times [2022-11-25 15:47:16,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:16,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937433236] [2022-11-25 15:47:16,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:16,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:17,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:47:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:17,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:47:17,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:17,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937433236] [2022-11-25 15:47:17,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937433236] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:17,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:47:17,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:47:17,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488967814] [2022-11-25 15:47:17,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:17,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:47:17,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:17,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:47:17,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:47:17,295 INFO L87 Difference]: Start difference. First operand has 35 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 30 states have internal predecessors, (31), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:47:17,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:17,424 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2022-11-25 15:47:17,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:47:17,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-25 15:47:17,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:17,439 INFO L225 Difference]: With dead ends: 35 [2022-11-25 15:47:17,439 INFO L226 Difference]: Without dead ends: 25 [2022-11-25 15:47:17,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:47:17,446 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 40 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:17,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 62 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:47:17,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-25 15:47:17,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-25 15:47:17,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 21 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 15:47:17,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2022-11-25 15:47:17,492 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 11 [2022-11-25 15:47:17,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:17,493 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2022-11-25 15:47:17,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:47:17,494 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2022-11-25 15:47:17,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 15:47:17,495 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:17,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:17,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:47:17,496 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 15:47:17,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:17,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1472520314, now seen corresponding path program 1 times [2022-11-25 15:47:17,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:17,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597731414] [2022-11-25 15:47:17,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:17,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:17,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:47:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:17,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:47:17,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:17,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597731414] [2022-11-25 15:47:17,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597731414] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:17,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:47:17,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:47:17,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424048973] [2022-11-25 15:47:17,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:17,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:47:17,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:17,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:47:17,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:17,588 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:47:17,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:17,605 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2022-11-25 15:47:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:47:17,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 15:47:17,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:17,607 INFO L225 Difference]: With dead ends: 33 [2022-11-25 15:47:17,607 INFO L226 Difference]: Without dead ends: 32 [2022-11-25 15:47:17,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:17,609 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 8 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:17,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 48 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:47:17,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-25 15:47:17,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 24. [2022-11-25 15:47:17,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 15:47:17,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2022-11-25 15:47:17,641 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 12 [2022-11-25 15:47:17,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:17,642 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2022-11-25 15:47:17,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:47:17,642 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2022-11-25 15:47:17,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 15:47:17,643 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:17,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:17,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 15:47:17,644 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 15:47:17,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:17,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1150426868, now seen corresponding path program 1 times [2022-11-25 15:47:17,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:17,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963430828] [2022-11-25 15:47:17,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:17,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:17,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:47:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:17,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:47:17,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:17,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963430828] [2022-11-25 15:47:17,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963430828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:17,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:47:17,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:47:17,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960805123] [2022-11-25 15:47:17,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:17,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:47:17,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:17,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:47:17,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:17,880 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:47:17,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:17,906 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2022-11-25 15:47:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:47:17,906 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-25 15:47:17,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:17,907 INFO L225 Difference]: With dead ends: 24 [2022-11-25 15:47:17,908 INFO L226 Difference]: Without dead ends: 23 [2022-11-25 15:47:17,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:17,909 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 40 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 [2022-11-25 15:47:17,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 40 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:47:17,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-25 15:47:17,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-25 15:47:17,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 15:47:17,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2022-11-25 15:47:17,916 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 15 [2022-11-25 15:47:17,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:17,917 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2022-11-25 15:47:17,917 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:47:17,917 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2022-11-25 15:47:17,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 15:47:17,918 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:47:17,919 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:47:17,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 15:47:17,919 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 15:47:17,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:47:17,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1303494610, now seen corresponding path program 1 times [2022-11-25 15:47:17,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:47:17,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342604101] [2022-11-25 15:47:17,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:47:17,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:47:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:17,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:47:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:47:18,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:47:18,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:47:18,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342604101] [2022-11-25 15:47:18,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342604101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:47:18,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:47:18,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:47:18,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499310867] [2022-11-25 15:47:18,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:47:18,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:47:18,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:47:18,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:47:18,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:18,009 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:47:18,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:47:18,023 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2022-11-25 15:47:18,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:47:18,024 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-25 15:47:18,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:47:18,025 INFO L225 Difference]: With dead ends: 23 [2022-11-25 15:47:18,025 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 15:47:18,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:47:18,027 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:47:18,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:47:18,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 15:47:18,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 15:47:18,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:47:18,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 15:47:18,031 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2022-11-25 15:47:18,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:47:18,031 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:47:18,032 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:47:18,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 15:47:18,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 15:47:18,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-25 15:47:18,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-25 15:47:18,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-25 15:47:18,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-25 15:47:18,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 15:47:18,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 15:47:18,112 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 15:47:18,113 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 15:47:18,113 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 15:47:18,113 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 15:47:18,114 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 15:47:18,114 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 15:47:18,114 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 15:47:18,115 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1556) no Hoare annotation was computed. [2022-11-25 15:47:18,115 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 15:47:18,115 INFO L895 garLoopResultBuilder]: At program point L1600(lines 1597 1601) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G_~data~1#1|)) (<= 0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_multiply_61b_goodG2BSource_#res#1|))) [2022-11-25 15:47:18,116 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1570) no Hoare annotation was computed. [2022-11-25 15:47:18,116 INFO L899 garLoopResultBuilder]: For program point L1561(lines 1561 1578) no Hoare annotation was computed. [2022-11-25 15:47:18,116 INFO L895 garLoopResultBuilder]: At program point L1590(lines 1584 1591) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) (<= 0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_multiply_61b_goodG2BSource_#res#1|))) [2022-11-25 15:47:18,117 INFO L895 garLoopResultBuilder]: At program point L1557(line 1557) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_goodG2B_~data~0#1| 1) 0) (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) (<= 0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_multiply_61b_goodG2BSource_#res#1|))) [2022-11-25 15:47:18,117 INFO L899 garLoopResultBuilder]: For program point L1549(lines 1549 1559) no Hoare annotation was computed. [2022-11-25 15:47:18,117 INFO L899 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-11-25 15:47:18,118 INFO L899 garLoopResultBuilder]: For program point L1570-1(line 1570) no Hoare annotation was computed. [2022-11-25 15:47:18,118 INFO L899 garLoopResultBuilder]: For program point L1568(lines 1568 1576) no Hoare annotation was computed. [2022-11-25 15:47:18,118 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 15:47:18,118 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1556) no Hoare annotation was computed. [2022-11-25 15:47:18,119 INFO L899 garLoopResultBuilder]: For program point L1566(lines 1566 1577) no Hoare annotation was computed. [2022-11-25 15:47:18,119 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1570) no Hoare annotation was computed. [2022-11-25 15:47:18,119 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 15:47:18,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 15:47:18,120 INFO L895 garLoopResultBuilder]: At program point L1595(lines 1592 1596) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) (<= 0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_multiply_61b_goodG2BSource_#res#1|))) [2022-11-25 15:47:18,120 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) (<= 0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_multiply_61b_goodG2BSource_#res#1|))) [2022-11-25 15:47:18,121 INFO L899 garLoopResultBuilder]: For program point L1556(line 1556) no Hoare annotation was computed. [2022-11-25 15:47:18,121 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2022-11-25 15:47:18,121 INFO L902 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: true [2022-11-25 15:47:18,121 INFO L899 garLoopResultBuilder]: For program point L1556-1(line 1556) no Hoare annotation was computed. [2022-11-25 15:47:18,122 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2022-11-25 15:47:18,122 INFO L899 garLoopResultBuilder]: For program point L1554(lines 1554 1558) no Hoare annotation was computed. [2022-11-25 15:47:18,122 INFO L899 garLoopResultBuilder]: For program point L1579(lines 1579 1583) no Hoare annotation was computed. [2022-11-25 15:47:18,122 INFO L895 garLoopResultBuilder]: At program point L1575(line 1575) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) (<= 0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_multiply_61b_goodG2BSource_#res#1|))) [2022-11-25 15:47:18,123 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) (<= 0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_multiply_61b_goodG2BSource_#res#1|))) [2022-11-25 15:47:18,127 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-25 15:47:18,129 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:47:18,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:47:18 BoogieIcfgContainer [2022-11-25 15:47:18,146 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:47:18,147 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:47:18,147 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:47:18,148 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:47:18,148 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:47:16" (3/4) ... [2022-11-25 15:47:18,152 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 15:47:18,159 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 15:47:18,159 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 15:47:18,164 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-25 15:47:18,165 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-25 15:47:18,165 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 15:47:18,165 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 15:47:18,194 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0 <= data + 2 && 0 <= 2 + \result [2022-11-25 15:47:18,194 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0 <= data + 2 && 0 <= 2 + \result [2022-11-25 15:47:18,195 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 <= data + 2 && 0 <= 1073741823 + data) && 0 <= 2 + \result [2022-11-25 15:47:18,218 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bd1053-f0cc-47b5-8327-43b4613f62b4/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:47:18,224 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:47:18,225 INFO L158 Benchmark]: Toolchain (without parser) took 3790.49ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 125.5MB in the beginning and 149.9MB in the end (delta: -24.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-25 15:47:18,226 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:47:18,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1571.93ms. Allocated memory is still 159.4MB. Free memory was 124.8MB in the beginning and 119.6MB in the end (delta: 5.2MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. [2022-11-25 15:47:18,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.17ms. Allocated memory is still 159.4MB. Free memory was 119.6MB in the beginning and 116.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:47:18,228 INFO L158 Benchmark]: Boogie Preprocessor took 33.39ms. Allocated memory is still 159.4MB. Free memory was 116.7MB in the beginning and 115.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:47:18,228 INFO L158 Benchmark]: RCFGBuilder took 510.00ms. Allocated memory is still 159.4MB. Free memory was 115.5MB in the beginning and 100.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 15:47:18,228 INFO L158 Benchmark]: TraceAbstraction took 1492.82ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 100.0MB in the beginning and 153.0MB in the end (delta: -53.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:47:18,229 INFO L158 Benchmark]: Witness Printer took 76.84ms. Allocated memory is still 209.7MB. Free memory was 153.0MB in the beginning and 149.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:47:18,231 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1571.93ms. Allocated memory is still 159.4MB. Free memory was 124.8MB in the beginning and 119.6MB in the end (delta: 5.2MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.17ms. Allocated memory is still 159.4MB. Free memory was 119.6MB in the beginning and 116.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.39ms. Allocated memory is still 159.4MB. Free memory was 116.7MB in the beginning and 115.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 510.00ms. Allocated memory is still 159.4MB. Free memory was 115.5MB in the beginning and 100.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1492.82ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 100.0MB in the beginning and 153.0MB in the end (delta: -53.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 76.84ms. Allocated memory is still 209.7MB. Free memory was 153.0MB in the beginning and 149.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1570]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1570]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 35 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 189 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 82 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 107 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 13 PreInvPairs, 13 NumberOfFragments, 90 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1592]: Loop Invariant Derived loop invariant: 0 <= data + 2 && 0 <= 2 + \result - InvariantResult [Line: 1597]: Loop Invariant Derived loop invariant: (0 <= data + 2 && 0 <= 1073741823 + data) && 0 <= 2 + \result - InvariantResult [Line: 1584]: Loop Invariant Derived loop invariant: 0 <= data + 2 && 0 <= 2 + \result RESULT: Ultimate proved your program to be correct! [2022-11-25 15:47:18,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bd1053-f0cc-47b5-8327-43b4613f62b4/bin/uautomizer-ZsLfNo2U6R/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