./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_53_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_1478f607-e28a-4897-b4e0-1ff7569566bb/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1478f607-e28a-4897-b4e0-1ff7569566bb/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_1478f607-e28a-4897-b4e0-1ff7569566bb/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1478f607-e28a-4897-b4e0-1ff7569566bb/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_53_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1478f607-e28a-4897-b4e0-1ff7569566bb/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_1478f607-e28a-4897-b4e0-1ff7569566bb/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 8c16e63d4bd71bd90daf137b7db0d62f9db1f0b09e5beed24f4a0b94c559f662 --- 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 18:10:51,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:10:51,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:10:51,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:10:51,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:10:51,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:10:51,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:10:51,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:10:51,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:10:51,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:10:51,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:10:51,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:10:51,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:10:51,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:10:51,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:10:51,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:10:51,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:10:51,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:10:51,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:10:51,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:10:51,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:10:51,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:10:51,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:10:51,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:10:51,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:10:51,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:10:51,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:10:51,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:10:51,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:10:51,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:10:51,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:10:51,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:10:51,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:10:51,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:10:51,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:10:51,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:10:51,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:10:51,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:10:51,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:10:51,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:10:51,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:10:51,224 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1478f607-e28a-4897-b4e0-1ff7569566bb/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 18:10:51,267 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:10:51,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:10:51,269 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:10:51,269 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:10:51,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:10:51,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:10:51,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:10:51,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:10:51,271 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:10:51,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:10:51,272 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:10:51,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:10:51,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:10:51,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:10:51,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:10:51,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:10:51,273 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 18:10:51,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:10:51,274 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:10:51,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:10:51,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:10:51,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:10:51,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:10:51,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:10:51,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:10:51,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:10:51,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:10:51,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:10:51,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:10:51,277 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:10:51,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:10:51,277 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:10:51,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:10:51,278 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_1478f607-e28a-4897-b4e0-1ff7569566bb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1478f607-e28a-4897-b4e0-1ff7569566bb/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c16e63d4bd71bd90daf137b7db0d62f9db1f0b09e5beed24f4a0b94c559f662 [2022-11-25 18:10:51,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:10:51,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:10:51,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:10:51,606 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:10:51,606 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:10:51,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1478f607-e28a-4897-b4e0-1ff7569566bb/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_53_good.i [2022-11-25 18:10:54,599 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:10:55,063 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:10:55,064 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1478f607-e28a-4897-b4e0-1ff7569566bb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_53_good.i [2022-11-25 18:10:55,094 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1478f607-e28a-4897-b4e0-1ff7569566bb/bin/uautomizer-ZsLfNo2U6R/data/8d6330e8d/57ad4dd5760041d796b4ec23ec3c9531/FLAGbde38e4ce [2022-11-25 18:10:55,112 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1478f607-e28a-4897-b4e0-1ff7569566bb/bin/uautomizer-ZsLfNo2U6R/data/8d6330e8d/57ad4dd5760041d796b4ec23ec3c9531 [2022-11-25 18:10:55,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:10:55,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:10:55,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:10:55,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:10:55,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:10:55,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:10:55" (1/1) ... [2022-11-25 18:10:55,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45728cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:55, skipping insertion in model container [2022-11-25 18:10:55,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:10:55" (1/1) ... [2022-11-25 18:10:55,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:10:55,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:10:55,664 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:10:56,141 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 18:10:56,147 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:10:56,150 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:10:56,153 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:10:56,154 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:10:56,186 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 18:10:56,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:10:56,207 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:10:56,230 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:10:56,277 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 18:10:56,279 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:10:56,280 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:10:56,283 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:10:56,283 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:10:56,288 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 18:10:56,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:10:56,440 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:10:56,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:56 WrapperNode [2022-11-25 18:10:56,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:10:56,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:10:56,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:10:56,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:10:56,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:56" (1/1) ... [2022-11-25 18:10:56,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:56" (1/1) ... [2022-11-25 18:10:56,528 INFO L138 Inliner]: procedures = 507, calls = 70, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 64 [2022-11-25 18:10:56,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:10:56,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:10:56,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:10:56,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:10:56,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:56" (1/1) ... [2022-11-25 18:10:56,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:56" (1/1) ... [2022-11-25 18:10:56,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:56" (1/1) ... [2022-11-25 18:10:56,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:56" (1/1) ... [2022-11-25 18:10:56,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:56" (1/1) ... [2022-11-25 18:10:56,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:56" (1/1) ... [2022-11-25 18:10:56,565 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:56" (1/1) ... [2022-11-25 18:10:56,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:56" (1/1) ... [2022-11-25 18:10:56,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:10:56,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:10:56,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:10:56,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:10:56,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:56" (1/1) ... [2022-11-25 18:10:56,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:10:56,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1478f607-e28a-4897-b4e0-1ff7569566bb/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:10:56,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1478f607-e28a-4897-b4e0-1ff7569566bb/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:10:56,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1478f607-e28a-4897-b4e0-1ff7569566bb/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:10:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 18:10:56,684 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 18:10:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 18:10:56,685 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 18:10:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:10:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:10:56,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:10:56,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:10:56,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:10:56,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:10:56,686 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 18:10:56,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:10:56,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:10:56,913 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:10:56,915 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:10:57,087 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:10:57,094 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:10:57,094 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:10:57,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:10:57 BoogieIcfgContainer [2022-11-25 18:10:57,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:10:57,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:10:57,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:10:57,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:10:57,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:10:55" (1/3) ... [2022-11-25 18:10:57,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d56c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:10:57, skipping insertion in model container [2022-11-25 18:10:57,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:10:56" (2/3) ... [2022-11-25 18:10:57,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d56c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:10:57, skipping insertion in model container [2022-11-25 18:10:57,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:10:57" (3/3) ... [2022-11-25 18:10:57,107 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_53_good.i [2022-11-25 18:10:57,129 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:10:57,130 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 18:10:57,197 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:10:57,205 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;@467135b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:10:57,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-25 18:10:57,210 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 25 states have (on average 1.24) 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 18:10:57,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-25 18:10:57,219 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:10:57,220 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:10:57,221 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 18:10:57,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:10:57,228 INFO L85 PathProgramCache]: Analyzing trace with hash -968710489, now seen corresponding path program 1 times [2022-11-25 18:10:57,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:10:57,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958590834] [2022-11-25 18:10:57,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:10:57,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:10:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:57,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:10:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:57,699 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 18:10:57,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:10:57,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958590834] [2022-11-25 18:10:57,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958590834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:10:57,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:10:57,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:10:57,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822783668] [2022-11-25 18:10:57,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:10:57,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:10:57,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:10:57,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:10:57,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:10:57,778 INFO L87 Difference]: Start difference. First operand has 37 states, 25 states have (on average 1.24) 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 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 18:10:57,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:10:57,829 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2022-11-25 18:10:57,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:10:57,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 9 [2022-11-25 18:10:57,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:10:57,843 INFO L225 Difference]: With dead ends: 37 [2022-11-25 18:10:57,843 INFO L226 Difference]: Without dead ends: 24 [2022-11-25 18:10:57,847 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 18:10:57,852 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 21 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 51 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 [2022-11-25 18:10:57,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 51 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:10:57,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-25 18:10:57,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-11-25 18:10:57,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.1764705882352942) 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 18:10:57,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-11-25 18:10:57,902 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 9 [2022-11-25 18:10:57,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:10:57,902 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2022-11-25 18:10:57,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 18:10:57,903 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-11-25 18:10:57,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 18:10:57,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:10:57,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:10:57,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:10:57,906 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 18:10:57,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:10:57,908 INFO L85 PathProgramCache]: Analyzing trace with hash 34745961, now seen corresponding path program 1 times [2022-11-25 18:10:57,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:10:57,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310282916] [2022-11-25 18:10:57,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:10:57,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:10:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:58,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:10:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:58,053 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 18:10:58,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:10:58,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310282916] [2022-11-25 18:10:58,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310282916] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:10:58,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:10:58,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:10:58,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801871664] [2022-11-25 18:10:58,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:10:58,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:10:58,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:10:58,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:10:58,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:10:58,058 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. 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) [2022-11-25 18:10:58,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:10:58,065 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2022-11-25 18:10:58,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:10:58,066 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 [2022-11-25 18:10:58,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:10:58,067 INFO L225 Difference]: With dead ends: 24 [2022-11-25 18:10:58,067 INFO L226 Difference]: Without dead ends: 23 [2022-11-25 18:10:58,068 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 18:10:58,069 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 9 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:10:58,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 32 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:10:58,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-25 18:10:58,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-25 18:10:58,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 18 states have internal predecessors, (19), 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 18:10:58,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2022-11-25 18:10:58,075 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 10 [2022-11-25 18:10:58,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:10:58,075 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2022-11-25 18:10:58,076 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) [2022-11-25 18:10:58,076 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2022-11-25 18:10:58,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 18:10:58,077 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:10:58,077 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] [2022-11-25 18:10:58,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:10:58,078 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 18:10:58,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:10:58,078 INFO L85 PathProgramCache]: Analyzing trace with hash 2011846159, now seen corresponding path program 1 times [2022-11-25 18:10:58,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:10:58,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305407177] [2022-11-25 18:10:58,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:10:58,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:10:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:58,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:10:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:58,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:10:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:58,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:10:58,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:10:58,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305407177] [2022-11-25 18:10:58,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305407177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:10:58,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:10:58,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:10:58,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216177508] [2022-11-25 18:10:58,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:10:58,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:10:58,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:10:58,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:10:58,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:10:58,187 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-25 18:10:58,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:10:58,198 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2022-11-25 18:10:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:10:58,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 20 [2022-11-25 18:10:58,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:10:58,200 INFO L225 Difference]: With dead ends: 23 [2022-11-25 18:10:58,200 INFO L226 Difference]: Without dead ends: 22 [2022-11-25 18:10:58,200 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 [2022-11-25 18:10:58,201 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 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 [2022-11-25 18:10:58,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 38 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:10:58,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-25 18:10:58,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-25 18:10:58,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 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 18:10:58,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2022-11-25 18:10:58,207 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 20 [2022-11-25 18:10:58,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:10:58,208 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2022-11-25 18:10:58,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-25 18:10:58,208 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2022-11-25 18:10:58,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 18:10:58,209 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:10:58,209 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] [2022-11-25 18:10:58,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:10:58,210 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 18:10:58,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:10:58,210 INFO L85 PathProgramCache]: Analyzing trace with hash -2057278447, now seen corresponding path program 1 times [2022-11-25 18:10:58,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:10:58,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529049024] [2022-11-25 18:10:58,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:10:58,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:10:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:58,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:10:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:58,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:10:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:58,413 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 18:10:58,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:10:58,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529049024] [2022-11-25 18:10:58,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529049024] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:10:58,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:10:58,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:10:58,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452947162] [2022-11-25 18:10:58,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:10:58,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:10:58,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:10:58,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:10:58,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:10:58,420 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-11-25 18:10:58,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:10:58,428 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2022-11-25 18:10:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:10:58,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 21 [2022-11-25 18:10:58,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:10:58,432 INFO L225 Difference]: With dead ends: 22 [2022-11-25 18:10:58,432 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 18:10:58,433 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 [2022-11-25 18:10:58,434 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:10:58,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:10:58,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 18:10:58,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 18:10:58,441 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 18:10:58,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 18:10:58,441 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2022-11-25 18:10:58,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:10:58,442 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:10:58,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-11-25 18:10:58,442 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 18:10:58,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 18:10:58,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-25 18:10:58,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-25 18:10:58,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-25 18:10:58,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-25 18:10:58,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:10:58,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 18:10:58,497 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 18:10:58,498 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 18:10:58,503 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 18:10:58,503 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 18:10:58,503 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 18:10:58,503 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 18:10:58,503 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 18:10:58,504 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1600) no Hoare annotation was computed. [2022-11-25 18:10:58,504 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 18:10:58,504 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-11-25 18:10:58,504 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2022-11-25 18:10:58,504 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1608) no Hoare annotation was computed. [2022-11-25 18:10:58,504 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1563) no Hoare annotation was computed. [2022-11-25 18:10:58,505 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1591) no Hoare annotation was computed. [2022-11-25 18:10:58,505 INFO L899 garLoopResultBuilder]: For program point L1549(lines 1549 1555) no Hoare annotation was computed. [2022-11-25 18:10:58,505 INFO L895 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: (<= 0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_sub_53d_goodG2BSink_~data#1|)) [2022-11-25 18:10:58,505 INFO L899 garLoopResultBuilder]: For program point L1613-1(lines 1604 1615) no Hoare annotation was computed. [2022-11-25 18:10:58,505 INFO L899 garLoopResultBuilder]: For program point L1578(lines 1578 1581) no Hoare annotation was computed. [2022-11-25 18:10:58,505 INFO L895 garLoopResultBuilder]: At program point L1609(line 1609) the Hoare annotation is: (<= 0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_sub_53d_goodG2BSink_~data#1|)) [2022-11-25 18:10:58,506 INFO L895 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: (<= 0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_sub_53d_goodG2BSink_~data#1|)) [2022-11-25 18:10:58,506 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2022-11-25 18:10:58,506 INFO L902 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: true [2022-11-25 18:10:58,506 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2022-11-25 18:10:58,506 INFO L895 garLoopResultBuilder]: At program point L1601(line 1601) the Hoare annotation is: (let ((.cse0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_sub_53d_goodG2BSink_~data#1|))) (and (<= 0 .cse0) (<= .cse0 0))) [2022-11-25 18:10:58,507 INFO L899 garLoopResultBuilder]: For program point L1601-1(lines 1597 1603) no Hoare annotation was computed. [2022-11-25 18:10:58,507 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 18:10:58,507 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1600) no Hoare annotation was computed. [2022-11-25 18:10:58,507 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1608) no Hoare annotation was computed. [2022-11-25 18:10:58,507 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 18:10:58,507 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 18:10:58,508 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1568) no Hoare annotation was computed. [2022-11-25 18:10:58,508 INFO L899 garLoopResultBuilder]: For program point L1593(lines 1593 1596) no Hoare annotation was computed. [2022-11-25 18:10:58,508 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1586) no Hoare annotation was computed. [2022-11-25 18:10:58,508 INFO L899 garLoopResultBuilder]: For program point L1608(line 1608) no Hoare annotation was computed. [2022-11-25 18:10:58,508 INFO L899 garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed. [2022-11-25 18:10:58,508 INFO L895 garLoopResultBuilder]: At program point L1575(lines 1569 1576) the Hoare annotation is: (<= 0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_sub_53d_goodG2BSink_~data#1|)) [2022-11-25 18:10:58,509 INFO L899 garLoopResultBuilder]: For program point L1606(lines 1606 1614) no Hoare annotation was computed. [2022-11-25 18:10:58,521 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-25 18:10:58,530 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:10:58,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:10:58 BoogieIcfgContainer [2022-11-25 18:10:58,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:10:58,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:10:58,547 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:10:58,547 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:10:58,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:10:57" (3/4) ... [2022-11-25 18:10:58,550 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 18:10:58,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 18:10:58,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 18:10:58,564 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-25 18:10:58,565 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-25 18:10:58,565 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 18:10:58,565 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 18:10:58,601 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1478f607-e28a-4897-b4e0-1ff7569566bb/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 18:10:58,601 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:10:58,602 INFO L158 Benchmark]: Toolchain (without parser) took 3483.62ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 108.5MB in the beginning and 90.8MB in the end (delta: 17.7MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2022-11-25 18:10:58,602 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:10:58,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1319.91ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 102.3MB in the end (delta: 5.8MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2022-11-25 18:10:58,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.38ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 99.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:10:58,603 INFO L158 Benchmark]: Boogie Preprocessor took 39.86ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 98.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:10:58,603 INFO L158 Benchmark]: RCFGBuilder took 527.20ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 84.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 18:10:58,604 INFO L158 Benchmark]: TraceAbstraction took 1446.85ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 83.4MB in the beginning and 93.9MB in the end (delta: -10.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-11-25 18:10:58,604 INFO L158 Benchmark]: Witness Printer took 54.30ms. Allocated memory is still 176.2MB. Free memory was 93.9MB in the beginning and 90.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 18:10:58,606 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1319.91ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 102.3MB in the end (delta: 5.8MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.38ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 99.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.86ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 98.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 527.20ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 84.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1446.85ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 83.4MB in the beginning and 93.9MB in the end (delta: -10.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Witness Printer took 54.30ms. Allocated memory is still 176.2MB. Free memory was 93.9MB in the beginning and 90.8MB in the end (delta: 3.2MB). 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: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: 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, 37 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, 37 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 158 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 61 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 97 mSDtfsCounter, 10 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=37occurred 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, 8 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 34 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 79 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: 1569]: Loop Invariant Derived loop invariant: 0 <= 2 + data RESULT: Ultimate proved your program to be correct! [2022-11-25 18:10:58,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1478f607-e28a-4897-b4e0-1ff7569566bb/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