./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_good.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_345e8cdd-489f-4d7f-8f62-6e7dbf580c96/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345e8cdd-489f-4d7f-8f62-6e7dbf580c96/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_345e8cdd-489f-4d7f-8f62-6e7dbf580c96/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345e8cdd-489f-4d7f-8f62-6e7dbf580c96/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345e8cdd-489f-4d7f-8f62-6e7dbf580c96/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_345e8cdd-489f-4d7f-8f62-6e7dbf580c96/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 a922bca990f2453b487c2ac4a728da3b9cbc9fd867da7475be0e333c4456a4a1 --- 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 12:37:23,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:37:23,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:37:23,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:37:23,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:37:23,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:37:23,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:37:23,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:37:23,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:37:23,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:37:23,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:37:23,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:37:23,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:37:23,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:37:23,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:37:23,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:37:23,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:37:23,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:37:23,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:37:23,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:37:23,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:37:23,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:37:23,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:37:23,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:37:23,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:37:23,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:37:23,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:37:23,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:37:23,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:37:23,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:37:23,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:37:23,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:37:23,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:37:23,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:37:23,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:37:23,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:37:23,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:37:23,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:37:23,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:37:24,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:37:24,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:37:24,003 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345e8cdd-489f-4d7f-8f62-6e7dbf580c96/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 12:37:24,045 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:37:24,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:37:24,046 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:37:24,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:37:24,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:37:24,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:37:24,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:37:24,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:37:24,049 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:37:24,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:37:24,051 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:37:24,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:37:24,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:37:24,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:37:24,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:37:24,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:37:24,053 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 12:37:24,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:37:24,053 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:37:24,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:37:24,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:37:24,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:37:24,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:37:24,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:37:24,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:37:24,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:37:24,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:37:24,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:37:24,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:37:24,056 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:37:24,057 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:37:24,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:37:24,057 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_345e8cdd-489f-4d7f-8f62-6e7dbf580c96/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345e8cdd-489f-4d7f-8f62-6e7dbf580c96/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a922bca990f2453b487c2ac4a728da3b9cbc9fd867da7475be0e333c4456a4a1 [2022-11-20 12:37:24,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:37:24,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:37:24,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:37:24,461 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:37:24,461 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:37:24,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345e8cdd-489f-4d7f-8f62-6e7dbf580c96/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_good.i [2022-11-20 12:37:27,895 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:37:28,284 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:37:28,285 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345e8cdd-489f-4d7f-8f62-6e7dbf580c96/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_good.i [2022-11-20 12:37:28,319 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345e8cdd-489f-4d7f-8f62-6e7dbf580c96/bin/uautomizer-ug76WZFUDN/data/172b26c6f/eed35260ee974c63b2c6f8a33785d039/FLAG8759a6446 [2022-11-20 12:37:28,343 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345e8cdd-489f-4d7f-8f62-6e7dbf580c96/bin/uautomizer-ug76WZFUDN/data/172b26c6f/eed35260ee974c63b2c6f8a33785d039 [2022-11-20 12:37:28,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:37:28,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:37:28,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:37:28,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:37:28,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:37:28,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:37:28" (1/1) ... [2022-11-20 12:37:28,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da1f47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:28, skipping insertion in model container [2022-11-20 12:37:28,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:37:28" (1/1) ... [2022-11-20 12:37:28,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:37:28,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:37:28,904 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:37:29,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:37:29,976 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:37:30,014 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:37:30,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:37:30,272 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:37:30,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:30 WrapperNode [2022-11-20 12:37:30,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:37:30,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:37:30,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:37:30,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:37:30,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:30" (1/1) ... [2022-11-20 12:37:30,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:30" (1/1) ... [2022-11-20 12:37:30,339 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 91 [2022-11-20 12:37:30,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:37:30,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:37:30,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:37:30,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:37:30,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:30" (1/1) ... [2022-11-20 12:37:30,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:30" (1/1) ... [2022-11-20 12:37:30,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:30" (1/1) ... [2022-11-20 12:37:30,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:30" (1/1) ... [2022-11-20 12:37:30,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:30" (1/1) ... [2022-11-20 12:37:30,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:30" (1/1) ... [2022-11-20 12:37:30,371 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:30" (1/1) ... [2022-11-20 12:37:30,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:30" (1/1) ... [2022-11-20 12:37:30,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:37:30,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:37:30,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:37:30,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:37:30,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:30" (1/1) ... [2022-11-20 12:37:30,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:37:30,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345e8cdd-489f-4d7f-8f62-6e7dbf580c96/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:37:30,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345e8cdd-489f-4d7f-8f62-6e7dbf580c96/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:37:30,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345e8cdd-489f-4d7f-8f62-6e7dbf580c96/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:37:30,472 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 12:37:30,472 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 12:37:30,472 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 12:37:30,472 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 12:37:30,472 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 12:37:30,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:37:30,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 12:37:30,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:37:30,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:37:30,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:37:30,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:37:30,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:37:30,473 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 12:37:30,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:37:30,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:37:30,618 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:37:30,624 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:37:30,944 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:37:30,951 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:37:30,952 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:37:30,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:37:30 BoogieIcfgContainer [2022-11-20 12:37:30,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:37:30,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:37:30,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:37:30,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:37:30,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:37:28" (1/3) ... [2022-11-20 12:37:30,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d59807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:37:30, skipping insertion in model container [2022-11-20 12:37:30,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:30" (2/3) ... [2022-11-20 12:37:30,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d59807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:37:30, skipping insertion in model container [2022-11-20 12:37:30,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:37:30" (3/3) ... [2022-11-20 12:37:30,965 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_67_good.i [2022-11-20 12:37:30,986 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:37:30,987 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-20 12:37:31,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:37:31,048 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;@2f86fcb2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:37:31,048 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-20 12:37:31,053 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 35 states have internal predecessors, (36), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 12:37:31,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 12:37:31,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:37:31,060 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:37:31,061 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)] === [2022-11-20 12:37:31,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:31,066 INFO L85 PathProgramCache]: Analyzing trace with hash 407544107, now seen corresponding path program 1 times [2022-11-20 12:37:31,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:31,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598942189] [2022-11-20 12:37:31,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:31,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:31,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:37:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:31,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:37:31,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:37:31,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598942189] [2022-11-20 12:37:31,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598942189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:37:31,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:37:31,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:37:31,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891870876] [2022-11-20 12:37:31,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:37:31,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:37:31,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:37:31,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:37:31,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:37:31,596 INFO L87 Difference]: Start difference. First operand has 40 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 35 states have internal predecessors, (36), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-20 12:37:31,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:37:31,665 INFO L93 Difference]: Finished difference Result 70 states and 83 transitions. [2022-11-20 12:37:31,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:37:31,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 10 [2022-11-20 12:37:31,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:37:31,678 INFO L225 Difference]: With dead ends: 70 [2022-11-20 12:37:31,678 INFO L226 Difference]: Without dead ends: 28 [2022-11-20 12:37:31,682 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 [2022-11-20 12:37:31,687 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 24 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:37:31,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 57 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:37:31,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-20 12:37:31,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-20 12:37:31,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.2) internal successors, (24), 23 states have internal predecessors, (24), 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 12:37:31,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2022-11-20 12:37:31,730 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 10 [2022-11-20 12:37:31,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:37:31,732 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2022-11-20 12:37:31,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-20 12:37:31,732 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2022-11-20 12:37:31,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 12:37:31,734 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:37:31,734 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:37:31,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:37:31,735 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)] === [2022-11-20 12:37:31,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:31,736 INFO L85 PathProgramCache]: Analyzing trace with hash -251034520, now seen corresponding path program 1 times [2022-11-20 12:37:31,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:31,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113600522] [2022-11-20 12:37:31,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:31,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:31,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:37:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:32,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:37:32,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:37:32,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113600522] [2022-11-20 12:37:32,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113600522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:37:32,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:37:32,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:37:32,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592370482] [2022-11-20 12:37:32,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:37:32,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:37:32,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:37:32,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:37:32,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:37:32,011 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:37:32,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:37:32,023 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2022-11-20 12:37:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:37:32,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-20 12:37:32,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:37:32,025 INFO L225 Difference]: With dead ends: 28 [2022-11-20 12:37:32,025 INFO L226 Difference]: Without dead ends: 27 [2022-11-20 12:37:32,026 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 [2022-11-20 12:37:32,028 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 12 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:37:32,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 38 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:37:32,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-20 12:37:32,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-20 12:37:32,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 20 states have (on average 1.15) internal successors, (23), 22 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 12:37:32,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2022-11-20 12:37:32,037 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 11 [2022-11-20 12:37:32,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:37:32,038 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2022-11-20 12:37:32,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:37:32,038 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2022-11-20 12:37:32,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 12:37:32,040 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:37:32,040 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:37:32,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:37:32,041 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)] === [2022-11-20 12:37:32,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:32,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1392431566, now seen corresponding path program 1 times [2022-11-20 12:37:32,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:32,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140685179] [2022-11-20 12:37:32,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:32,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:32,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:37:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:32,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:37:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:32,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:37:32,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:37:32,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140685179] [2022-11-20 12:37:32,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140685179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:37:32,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:37:32,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:37:32,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005272244] [2022-11-20 12:37:32,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:37:32,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:37:32,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:37:32,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:37:32,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:37:32,189 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 12:37:32,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:37:32,205 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2022-11-20 12:37:32,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:37:32,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-11-20 12:37:32,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:37:32,208 INFO L225 Difference]: With dead ends: 27 [2022-11-20 12:37:32,208 INFO L226 Difference]: Without dead ends: 26 [2022-11-20 12:37:32,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:37:32,210 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 2 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 48 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 [2022-11-20 12:37:32,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 48 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:37:32,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-20 12:37:32,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-20 12:37:32,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 20 states have (on average 1.1) internal successors, (22), 21 states have internal predecessors, (22), 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 12:37:32,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2022-11-20 12:37:32,218 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 23 [2022-11-20 12:37:32,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:37:32,219 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2022-11-20 12:37:32,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 12:37:32,220 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-11-20 12:37:32,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 12:37:32,221 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:37:32,221 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:37:32,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:37:32,222 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)] === [2022-11-20 12:37:32,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:37:32,223 INFO L85 PathProgramCache]: Analyzing trace with hash -215705508, now seen corresponding path program 1 times [2022-11-20 12:37:32,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:37:32,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323092392] [2022-11-20 12:37:32,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:37:32,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:37:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:32,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:37:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:32,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:37:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:37:32,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:37:32,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:37:32,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323092392] [2022-11-20 12:37:32,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323092392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:37:32,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:37:32,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:37:32,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836476845] [2022-11-20 12:37:32,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:37:32,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:37:32,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:37:32,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:37:32,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:37:32,352 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 12:37:32,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:37:32,366 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2022-11-20 12:37:32,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:37:32,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2022-11-20 12:37:32,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:37:32,368 INFO L225 Difference]: With dead ends: 26 [2022-11-20 12:37:32,368 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:37:32,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:37:32,370 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:37:32,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:37:32,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:37:32,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:37:32,373 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) [2022-11-20 12:37:32,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:37:32,373 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2022-11-20 12:37:32,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:37:32,374 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:37:32,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 12:37:32,374 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:37:32,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:37:32,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-20 12:37:32,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-20 12:37:32,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-20 12:37:32,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-20 12:37:32,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:37:32,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 12:37:32,419 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-20 12:37:32,419 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 12:37:32,419 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-20 12:37:32,420 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 12:37:32,420 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 12:37:32,420 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-20 12:37:32,420 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 12:37:32,421 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_multiply_67b_goodG2BSink_~data~2#1| 2)) (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_multiply_67b_goodG2BSink_~data~2#1| 1) 0)) [2022-11-20 12:37:32,421 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2022-11-20 12:37:32,421 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 1581) no Hoare annotation was computed. [2022-11-20 12:37:32,422 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_multiply_67b_goodG2BSink_~data~2#1| 1) 0) [2022-11-20 12:37:32,422 INFO L899 garLoopResultBuilder]: For program point L1592-1(line 1592) no Hoare annotation was computed. [2022-11-20 12:37:32,422 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_multiply_67b_goodG2BSink_~data~2#1| 2)) (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_multiply_67b_goodG2BSink_~data~2#1| 1) 0)) [2022-11-20 12:37:32,423 INFO L899 garLoopResultBuilder]: For program point L1576-1(lines 1570 1577) no Hoare annotation was computed. [2022-11-20 12:37:32,423 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 12:37:32,423 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1599) no Hoare annotation was computed. [2022-11-20 12:37:32,423 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 12:37:32,424 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1601) no Hoare annotation was computed. [2022-11-20 12:37:32,424 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:37:32,424 INFO L899 garLoopResultBuilder]: For program point L1597-1(lines 1597 1601) no Hoare annotation was computed. [2022-11-20 12:37:32,424 INFO L895 garLoopResultBuilder]: At program point L1593(lines 1587 1594) the Hoare annotation is: (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_multiply_67b_goodG2BSink_~data~2#1| 1) 0) [2022-11-20 12:37:32,425 INFO L899 garLoopResultBuilder]: For program point L1610(line 1610) no Hoare annotation was computed. [2022-11-20 12:37:32,425 INFO L899 garLoopResultBuilder]: For program point L1610-1(line 1610) no Hoare annotation was computed. [2022-11-20 12:37:32,425 INFO L899 garLoopResultBuilder]: For program point L1606(lines 1606 1617) no Hoare annotation was computed. [2022-11-20 12:37:32,425 INFO L899 garLoopResultBuilder]: For program point L1606-1(lines 1606 1617) no Hoare annotation was computed. [2022-11-20 12:37:32,426 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1599) no Hoare annotation was computed. [2022-11-20 12:37:32,426 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:37:32,426 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1602) no Hoare annotation was computed. [2022-11-20 12:37:32,427 INFO L902 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: true [2022-11-20 12:37:32,427 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2022-11-20 12:37:32,427 INFO L899 garLoopResultBuilder]: For program point L1553(lines 1553 1561) no Hoare annotation was computed. [2022-11-20 12:37:32,427 INFO L895 garLoopResultBuilder]: At program point L1615(line 1615) the Hoare annotation is: (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_multiply_67b_goodG2BSink_~data~2#1| 1) 0) [2022-11-20 12:37:32,428 INFO L899 garLoopResultBuilder]: For program point L1582(lines 1582 1586) no Hoare annotation was computed. [2022-11-20 12:37:32,428 INFO L895 garLoopResultBuilder]: At program point L1611(line 1611) the Hoare annotation is: (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_fgets_multiply_67b_goodG2BSink_~data~2#1| 1) 0) [2022-11-20 12:37:32,428 INFO L899 garLoopResultBuilder]: For program point L1603(lines 1603 1618) no Hoare annotation was computed. [2022-11-20 12:37:32,428 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1577) no Hoare annotation was computed. [2022-11-20 12:37:32,429 INFO L899 garLoopResultBuilder]: For program point L1599(line 1599) no Hoare annotation was computed. [2022-11-20 12:37:32,429 INFO L899 garLoopResultBuilder]: For program point L1599-1(line 1599) no Hoare annotation was computed. [2022-11-20 12:37:32,429 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2022-11-20 12:37:32,429 INFO L899 garLoopResultBuilder]: For program point L1608(lines 1608 1616) no Hoare annotation was computed. [2022-11-20 12:37:32,433 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-20 12:37:32,436 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:37:32,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:37:32 BoogieIcfgContainer [2022-11-20 12:37:32,453 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:37:32,454 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:37:32,454 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:37:32,454 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:37:32,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:37:30" (3/4) ... [2022-11-20 12:37:32,459 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:37:32,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 12:37:32,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 12:37:32,476 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-20 12:37:32,477 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-20 12:37:32,477 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 12:37:32,477 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:37:32,571 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345e8cdd-489f-4d7f-8f62-6e7dbf580c96/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:37:32,571 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:37:32,572 INFO L158 Benchmark]: Toolchain (without parser) took 4224.86ms. Allocated memory was 174.1MB in the beginning and 234.9MB in the end (delta: 60.8MB). Free memory was 124.4MB in the beginning and 121.8MB in the end (delta: 2.7MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2022-11-20 12:37:32,572 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:37:32,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1924.02ms. Allocated memory is still 174.1MB. Free memory was 124.1MB in the beginning and 115.4MB in the end (delta: 8.7MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2022-11-20 12:37:32,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.86ms. Allocated memory is still 174.1MB. Free memory was 115.4MB in the beginning and 112.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:37:32,573 INFO L158 Benchmark]: Boogie Preprocessor took 36.71ms. Allocated memory is still 174.1MB. Free memory was 112.5MB in the beginning and 110.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:37:32,574 INFO L158 Benchmark]: RCFGBuilder took 577.37ms. Allocated memory is still 174.1MB. Free memory was 110.4MB in the beginning and 94.4MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 12:37:32,574 INFO L158 Benchmark]: TraceAbstraction took 1496.28ms. Allocated memory was 174.1MB in the beginning and 234.9MB in the end (delta: 60.8MB). Free memory was 94.3MB in the beginning and 124.9MB in the end (delta: -30.7MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2022-11-20 12:37:32,575 INFO L158 Benchmark]: Witness Printer took 117.53ms. Allocated memory is still 234.9MB. Free memory was 124.9MB in the beginning and 121.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:37:32,580 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1924.02ms. Allocated memory is still 174.1MB. Free memory was 124.1MB in the beginning and 115.4MB in the end (delta: 8.7MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.86ms. Allocated memory is still 174.1MB. Free memory was 115.4MB in the beginning and 112.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.71ms. Allocated memory is still 174.1MB. Free memory was 112.5MB in the beginning and 110.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.37ms. Allocated memory is still 174.1MB. Free memory was 110.4MB in the beginning and 94.4MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1496.28ms. Allocated memory was 174.1MB in the beginning and 234.9MB in the end (delta: 60.8MB). Free memory was 94.3MB in the beginning and 124.9MB in the end (delta: -30.7MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Witness Printer took 117.53ms. Allocated memory is still 234.9MB. Free memory was 124.9MB in the beginning and 121.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: 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, 40 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 192 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 73 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 119 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 17 PreInvPairs, 22 NumberOfFragments, 45 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 96 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: 1587]: Loop Invariant Derived loop invariant: data + 1 <= 0 RESULT: Ultimate proved your program to be correct! [2022-11-20 12:37:32,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_345e8cdd-489f-4d7f-8f62-6e7dbf580c96/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