./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_4bc5c53b-addd-4d49-8980-469a4e03be56/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc5c53b-addd-4d49-8980-469a4e03be56/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc5c53b-addd-4d49-8980-469a4e03be56/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc5c53b-addd-4d49-8980-469a4e03be56/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc5c53b-addd-4d49-8980-469a4e03be56/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc5c53b-addd-4d49-8980-469a4e03be56/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 57c9609a1a559a75e3a5c8936a7424ed3b5c55ac28a5df3fc2a1ed205641204e --- 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-2329fc7 [2022-12-14 08:06:10,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:06:10,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:06:10,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:06:10,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:06:10,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:06:10,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:06:10,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:06:10,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:06:10,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:06:10,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:06:10,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:06:10,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:06:10,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:06:10,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:06:10,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:06:10,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:06:10,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:06:10,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:06:10,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:06:10,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:06:10,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:06:10,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:06:10,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:06:10,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:06:10,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:06:10,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:06:10,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:06:10,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:06:10,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:06:10,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:06:10,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:06:10,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:06:10,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:06:10,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:06:10,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:06:10,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:06:10,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:06:10,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:06:10,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:06:10,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:06:10,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc5c53b-addd-4d49-8980-469a4e03be56/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 08:06:10,369 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:06:10,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:06:10,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:06:10,369 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:06:10,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:06:10,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:06:10,370 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:06:10,370 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:06:10,370 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:06:10,371 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:06:10,371 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:06:10,371 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:06:10,371 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:06:10,371 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:06:10,371 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:06:10,372 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:06:10,372 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:06:10,372 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:06:10,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:06:10,373 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:06:10,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:06:10,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:06:10,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:06:10,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:06:10,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:06:10,374 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 08:06:10,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:06:10,374 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:06:10,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:06:10,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:06:10,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:06:10,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:06:10,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:06:10,375 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:06:10,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:06:10,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:06:10,375 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:06:10,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:06:10,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:06:10,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:06:10,376 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_4bc5c53b-addd-4d49-8980-469a4e03be56/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc5c53b-addd-4d49-8980-469a4e03be56/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57c9609a1a559a75e3a5c8936a7424ed3b5c55ac28a5df3fc2a1ed205641204e [2022-12-14 08:06:10,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:06:10,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:06:10,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:06:10,575 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:06:10,576 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:06:10,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc5c53b-addd-4d49-8980-469a4e03be56/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_65_good.i [2022-12-14 08:06:13,161 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:06:13,436 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:06:13,437 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc5c53b-addd-4d49-8980-469a4e03be56/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_65_good.i [2022-12-14 08:06:13,456 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc5c53b-addd-4d49-8980-469a4e03be56/bin/utaipan-gh47qXpMRh/data/b9a124471/7d05858d6d1345a3849f1c4b4916a5c3/FLAGe79a74219 [2022-12-14 08:06:13,470 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc5c53b-addd-4d49-8980-469a4e03be56/bin/utaipan-gh47qXpMRh/data/b9a124471/7d05858d6d1345a3849f1c4b4916a5c3 [2022-12-14 08:06:13,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:06:13,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:06:13,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:06:13,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:06:13,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:06:13,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:06:13" (1/1) ... [2022-12-14 08:06:13,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d6128d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:13, skipping insertion in model container [2022-12-14 08:06:13,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:06:13" (1/1) ... [2022-12-14 08:06:13,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:06:13,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:06:13,809 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:06:14,114 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:06:14,119 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:06:14,121 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:06:14,124 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:06:14,125 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:06:14,150 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:06:14,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:06:14,163 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:06:14,180 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:06:14,226 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:06:14,228 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:06:14,229 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:06:14,231 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:06:14,232 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:06:14,237 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:06:14,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:06:14,325 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:06:14,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:14 WrapperNode [2022-12-14 08:06:14,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:06:14,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:06:14,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:06:14,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:06:14,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:14" (1/1) ... [2022-12-14 08:06:14,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:14" (1/1) ... [2022-12-14 08:06:14,376 INFO L138 Inliner]: procedures = 504, calls = 68, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 69 [2022-12-14 08:06:14,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:06:14,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:06:14,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:06:14,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:06:14,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:14" (1/1) ... [2022-12-14 08:06:14,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:14" (1/1) ... [2022-12-14 08:06:14,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:14" (1/1) ... [2022-12-14 08:06:14,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:14" (1/1) ... [2022-12-14 08:06:14,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:14" (1/1) ... [2022-12-14 08:06:14,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:14" (1/1) ... [2022-12-14 08:06:14,399 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:14" (1/1) ... [2022-12-14 08:06:14,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:14" (1/1) ... [2022-12-14 08:06:14,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:06:14,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:06:14,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:06:14,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:06:14,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:14" (1/1) ... [2022-12-14 08:06:14,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:06:14,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc5c53b-addd-4d49-8980-469a4e03be56/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:06:14,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc5c53b-addd-4d49-8980-469a4e03be56/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:06:14,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc5c53b-addd-4d49-8980-469a4e03be56/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:06:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 08:06:14,477 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 08:06:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 08:06:14,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 08:06:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:06:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:06:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:06:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-14 08:06:14,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-14 08:06:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:06:14,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:06:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:06:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 08:06:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:06:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:06:14,593 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:06:14,595 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:06:14,723 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:06:14,744 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:06:14,744 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 08:06:14,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:06:14 BoogieIcfgContainer [2022-12-14 08:06:14,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:06:14,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:06:14,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:06:14,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:06:14,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:06:13" (1/3) ... [2022-12-14 08:06:14,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a62f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:06:14, skipping insertion in model container [2022-12-14 08:06:14,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:14" (2/3) ... [2022-12-14 08:06:14,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a62f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:06:14, skipping insertion in model container [2022-12-14 08:06:14,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:06:14" (3/3) ... [2022-12-14 08:06:14,755 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_65_good.i [2022-12-14 08:06:14,769 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:06:14,769 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 08:06:14,811 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:06:14,816 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=FINITE_AUTOMATA, 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;@7a896dfc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:06:14,817 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-14 08:06:14,820 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 22 states have internal predecessors, (23), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-14 08:06:14,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 08:06:14,826 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:06:14,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:06:14,827 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 08:06:14,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:06:14,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1012850391, now seen corresponding path program 1 times [2022-12-14 08:06:14,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:06:14,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508966232] [2022-12-14 08:06:14,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:06:14,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:06:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:06:15,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:06:15,108 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:06:15,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508966232] [2022-12-14 08:06:15,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508966232] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:06:15,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:06:15,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:06:15,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904132129] [2022-12-14 08:06:15,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:06:15,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 08:06:15,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:06:15,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 08:06:15,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:06:15,148 INFO L87 Difference]: Start difference. First operand has 32 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 22 states have internal predecessors, (23), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:06:15,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:06:15,248 INFO L93 Difference]: Finished difference Result 50 states and 59 transitions. [2022-12-14 08:06:15,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 08:06:15,250 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-12-14 08:06:15,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:06:15,256 INFO L225 Difference]: With dead ends: 50 [2022-12-14 08:06:15,256 INFO L226 Difference]: Without dead ends: 38 [2022-12-14 08:06:15,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:06:15,261 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 34 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:06:15,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 132 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:06:15,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-12-14 08:06:15,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2022-12-14 08:06:15,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 26 states have internal predecessors, (30), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 08:06:15,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2022-12-14 08:06:15,293 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 9 [2022-12-14 08:06:15,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:06:15,294 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2022-12-14 08:06:15,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:06:15,295 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-12-14 08:06:15,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 08:06:15,295 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:06:15,296 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:06:15,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:06:15,296 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 08:06:15,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:06:15,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1333576267, now seen corresponding path program 1 times [2022-12-14 08:06:15,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:06:15,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780777481] [2022-12-14 08:06:15,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:06:15,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:06:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:06:15,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:06:15,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:06:15,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780777481] [2022-12-14 08:06:15,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780777481] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:06:15,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:06:15,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:06:15,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115060022] [2022-12-14 08:06:15,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:06:15,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:06:15,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:06:15,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:06:15,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:06:15,353 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:06:15,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:06:15,369 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2022-12-14 08:06:15,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:06:15,370 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-12-14 08:06:15,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:06:15,371 INFO L225 Difference]: With dead ends: 35 [2022-12-14 08:06:15,371 INFO L226 Difference]: Without dead ends: 34 [2022-12-14 08:06:15,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:06:15,372 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 2 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:06:15,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 47 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:06:15,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-12-14 08:06:15,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-12-14 08:06:15,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 25 states have internal predecessors, (28), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 08:06:15,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2022-12-14 08:06:15,380 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 10 [2022-12-14 08:06:15,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:06:15,380 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2022-12-14 08:06:15,381 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:06:15,381 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2022-12-14 08:06:15,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 08:06:15,381 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:06:15,381 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:06:15,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:06:15,382 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 08:06:15,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:06:15,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1333591130, now seen corresponding path program 1 times [2022-12-14 08:06:15,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:06:15,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020812113] [2022-12-14 08:06:15,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:06:15,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:06:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:06:15,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:06:15,451 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:06:15,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020812113] [2022-12-14 08:06:15,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020812113] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:06:15,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:06:15,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:06:15,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824243103] [2022-12-14 08:06:15,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:06:15,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 08:06:15,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:06:15,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 08:06:15,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:06:15,454 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:06:15,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:06:15,511 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2022-12-14 08:06:15,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 08:06:15,512 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-12-14 08:06:15,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:06:15,512 INFO L225 Difference]: With dead ends: 38 [2022-12-14 08:06:15,512 INFO L226 Difference]: Without dead ends: 37 [2022-12-14 08:06:15,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:06:15,513 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 30 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:06:15,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 87 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:06:15,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-12-14 08:06:15,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2022-12-14 08:06:15,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 25 states have internal predecessors, (27), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 08:06:15,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2022-12-14 08:06:15,519 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 10 [2022-12-14 08:06:15,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:06:15,519 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2022-12-14 08:06:15,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:06:15,519 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-12-14 08:06:15,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 08:06:15,520 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:06:15,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:06:15,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 08:06:15,520 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 08:06:15,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:06:15,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1608808614, now seen corresponding path program 1 times [2022-12-14 08:06:15,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:06:15,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951897615] [2022-12-14 08:06:15,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:06:15,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:06:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:06:15,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:06:15,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:06:15,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951897615] [2022-12-14 08:06:15,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951897615] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:06:15,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:06:15,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 08:06:15,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396235359] [2022-12-14 08:06:15,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:06:15,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:06:15,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:06:15,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:06:15,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:06:15,587 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:06:15,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:06:15,607 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2022-12-14 08:06:15,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:06:15,607 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-14 08:06:15,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:06:15,608 INFO L225 Difference]: With dead ends: 52 [2022-12-14 08:06:15,608 INFO L226 Difference]: Without dead ends: 28 [2022-12-14 08:06:15,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:06:15,610 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 6 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:06:15,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 43 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:06:15,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-12-14 08:06:15,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-12-14 08:06:15,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 20 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 08:06:15,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2022-12-14 08:06:15,614 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 11 [2022-12-14 08:06:15,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:06:15,614 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2022-12-14 08:06:15,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:06:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2022-12-14 08:06:15,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 08:06:15,615 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:06:15,615 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:06:15,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 08:06:15,615 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 08:06:15,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:06:15,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1245746496, now seen corresponding path program 1 times [2022-12-14 08:06:15,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:06:15,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658745148] [2022-12-14 08:06:15,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:06:15,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:06:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:06:15,723 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:06:15,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:06:15,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658745148] [2022-12-14 08:06:15,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658745148] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:06:15,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:06:15,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 08:06:15,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448321444] [2022-12-14 08:06:15,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:06:15,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:06:15,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:06:15,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:06:15,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:06:15,725 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 08:06:15,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:06:15,744 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2022-12-14 08:06:15,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:06:15,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2022-12-14 08:06:15,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:06:15,746 INFO L225 Difference]: With dead ends: 28 [2022-12-14 08:06:15,746 INFO L226 Difference]: Without dead ends: 24 [2022-12-14 08:06:15,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:06:15,747 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 4 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:06:15,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 46 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:06:15,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-12-14 08:06:15,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-12-14 08:06:15,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 16 states have (on average 1.0) internal successors, (16), 16 states have internal predecessors, (16), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 08:06:15,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2022-12-14 08:06:15,750 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 21 [2022-12-14 08:06:15,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:06:15,751 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2022-12-14 08:06:15,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 08:06:15,751 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2022-12-14 08:06:15,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 08:06:15,752 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:06:15,752 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:06:15,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 08:06:15,752 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 08:06:15,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:06:15,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1133951101, now seen corresponding path program 1 times [2022-12-14 08:06:15,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:06:15,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498236751] [2022-12-14 08:06:15,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:06:15,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:06:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:06:15,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:06:15,857 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:06:15,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498236751] [2022-12-14 08:06:15,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498236751] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:06:15,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:06:15,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:06:15,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345325486] [2022-12-14 08:06:15,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:06:15,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 08:06:15,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:06:15,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 08:06:15,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:06:15,860 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand has 6 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 08:06:15,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:06:15,894 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2022-12-14 08:06:15,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:06:15,895 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-12-14 08:06:15,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:06:15,895 INFO L225 Difference]: With dead ends: 24 [2022-12-14 08:06:15,895 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 08:06:15,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:06:15,897 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 7 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:06:15,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 66 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:06:15,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 08:06:15,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 08:06:15,898 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) [2022-12-14 08:06:15,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 08:06:15,898 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2022-12-14 08:06:15,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:06:15,898 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 08:06:15,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 08:06:15,898 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 08:06:15,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 08:06:15,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-14 08:06:15,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-14 08:06:15,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-14 08:06:15,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-14 08:06:15,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 08:06:15,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 08:06:15,957 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-14 08:06:15,957 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-14 08:06:15,957 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-14 08:06:15,958 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-14 08:06:15,958 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 08:06:15,958 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2))) (and (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.base| |#funAddr~CWE191_Integer_Underflow__int_fscanf_predec_65b_goodB2GSink.base|) (<= 0 .cse0) (<= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~CWE191_Integer_Underflow__int_fscanf_predec_65b_goodG2BSink.offset|) (<= |#funAddr~CWE191_Integer_Underflow__int_fscanf_predec_65b_goodB2GSink.base| |ULTIMATE.start_goodB2G_~funcPtr~1#1.base|) (<= .cse0 0) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset| |#funAddr~CWE191_Integer_Underflow__int_fscanf_predec_65b_goodB2GSink.offset|) (<= |ULTIMATE.start_goodB2G_#t~mem95#1| 2147483647) (<= |#funAddr~CWE191_Integer_Underflow__int_fscanf_predec_65b_goodB2GSink.offset| |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset|))) [2022-12-14 08:06:15,958 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2022-12-14 08:06:15,958 INFO L895 garLoopResultBuilder]: At program point L1555(line 1555) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2))) (and (<= 0 .cse0) (<= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~CWE191_Integer_Underflow__int_fscanf_predec_65b_goodG2BSink.offset|) (<= .cse0 0))) [2022-12-14 08:06:15,958 INFO L899 garLoopResultBuilder]: For program point L1555-1(lines 1549 1556) no Hoare annotation was computed. [2022-12-14 08:06:15,958 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 08:06:15,958 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) [2022-12-14 08:06:15,958 INFO L895 garLoopResultBuilder]: At program point L1576-1(line 1576) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) [2022-12-14 08:06:15,958 INFO L902 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: true [2022-12-14 08:06:15,958 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2022-12-14 08:06:15,959 INFO L895 garLoopResultBuilder]: At program point L1584(line 1584) the Hoare annotation is: (let ((.cse1 (+ 2 |##fun~int~TO~VOID_#in~94#1|))) (or (not (<= |##fun~int~TO~VOID_#in~#fp#1.offset| |#funAddr~CWE191_Integer_Underflow__int_fscanf_predec_65b_goodG2BSink.offset|)) (let ((.cse0 (+ 2 |##fun~int~TO~VOID_#~94#1|))) (and (<= .cse0 0) (<= 0 .cse0) (<= (+ |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_fscanf_predec_65b_goodG2BSink_~data#1| 2) 0))) (not (<= .cse1 0)) (not (<= 0 .cse1)))) [2022-12-14 08:06:15,959 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2022-12-14 08:06:15,959 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 1579 1586) no Hoare annotation was computed. [2022-12-14 08:06:15,959 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1591) no Hoare annotation was computed. [2022-12-14 08:06:15,959 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-12-14 08:06:15,959 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-12-14 08:06:15,959 INFO L899 garLoopResultBuilder]: For program point L1582-1(line 1582) no Hoare annotation was computed. [2022-12-14 08:06:15,959 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 08:06:15,959 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-14 08:06:15,959 INFO L895 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: (let ((.cse0 (+ 2 |##fun~int~TO~VOID_#in~94#1|))) (or (not (<= |##fun~int~TO~VOID_#in~#fp#1.offset| |#funAddr~CWE191_Integer_Underflow__int_fscanf_predec_65b_goodG2BSink.offset|)) (not (<= .cse0 0)) (not (<= 0 .cse0)))) [2022-12-14 08:06:15,959 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-12-14 08:06:15,959 INFO L899 garLoopResultBuilder]: For program point L1597-1(lines 1587 1599) no Hoare annotation was computed. [2022-12-14 08:06:15,960 INFO L895 garLoopResultBuilder]: At program point L1593(line 1593) the Hoare annotation is: (let ((.cse0 (+ 2 |##fun~int~TO~VOID_#in~94#1|))) (or (not (<= |##fun~int~TO~VOID_#in~#fp#1.offset| |#funAddr~CWE191_Integer_Underflow__int_fscanf_predec_65b_goodG2BSink.offset|)) (not (<= .cse0 0)) (not (<= 0 .cse0)))) [2022-12-14 08:06:15,960 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-12-14 08:06:15,960 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2022-12-14 08:06:15,960 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1598) no Hoare annotation was computed. [2022-12-14 08:06:15,960 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2022-12-14 08:06:15,960 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1591) no Hoare annotation was computed. [2022-12-14 08:06:15,962 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-14 08:06:15,964 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:06:15,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:06:15 BoogieIcfgContainer [2022-12-14 08:06:15,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:06:15,972 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:06:15,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:06:15,972 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:06:15,972 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:06:14" (3/4) ... [2022-12-14 08:06:15,974 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 08:06:15,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 08:06:15,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 08:06:15,979 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-12-14 08:06:15,982 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-12-14 08:06:15,982 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-14 08:06:15,982 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 08:06:15,982 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 08:06:16,006 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc5c53b-addd-4d49-8980-469a4e03be56/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 08:06:16,006 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:06:16,007 INFO L158 Benchmark]: Toolchain (without parser) took 2532.64ms. Allocated memory is still 169.9MB. Free memory was 123.9MB in the beginning and 65.4MB in the end (delta: 58.5MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2022-12-14 08:06:16,007 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 140.5MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:06:16,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 850.46ms. Allocated memory is still 169.9MB. Free memory was 123.9MB in the beginning and 60.4MB in the end (delta: 63.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-12-14 08:06:16,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.37ms. Allocated memory is still 169.9MB. Free memory was 60.4MB in the beginning and 57.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 08:06:16,008 INFO L158 Benchmark]: Boogie Preprocessor took 25.47ms. Allocated memory is still 169.9MB. Free memory was 57.5MB in the beginning and 56.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:06:16,008 INFO L158 Benchmark]: RCFGBuilder took 343.80ms. Allocated memory is still 169.9MB. Free memory was 56.2MB in the beginning and 123.6MB in the end (delta: -67.4MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-12-14 08:06:16,009 INFO L158 Benchmark]: TraceAbstraction took 1221.98ms. Allocated memory is still 169.9MB. Free memory was 122.6MB in the beginning and 68.5MB in the end (delta: 54.1MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2022-12-14 08:06:16,009 INFO L158 Benchmark]: Witness Printer took 34.32ms. Allocated memory is still 169.9MB. Free memory was 68.5MB in the beginning and 65.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 08:06:16,011 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 140.5MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 850.46ms. Allocated memory is still 169.9MB. Free memory was 123.9MB in the beginning and 60.4MB in the end (delta: 63.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.37ms. Allocated memory is still 169.9MB. Free memory was 60.4MB in the beginning and 57.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.47ms. Allocated memory is still 169.9MB. Free memory was 57.5MB in the beginning and 56.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 343.80ms. Allocated memory is still 169.9MB. Free memory was 56.2MB in the beginning and 123.6MB in the end (delta: -67.4MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1221.98ms. Allocated memory is still 169.9MB. Free memory was 122.6MB in the beginning and 68.5MB in the end (delta: 54.1MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. * Witness Printer took 34.32ms. Allocated memory is still 169.9MB. Free memory was 68.5MB in the beginning and 65.4MB 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: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: 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 4 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 421 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 293 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 175 IncrementalHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 128 mSDtfsCounter, 175 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=1, InterpolantAutomatonStates: 31, 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, 6 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 25 PreInvPairs, 26 NumberOfFragments, 124 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 13 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 181 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 5/5 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: 1576]: Loop Invariant Derived loop invariant: 0 <= data + 2 RESULT: Ultimate proved your program to be correct! [2022-12-14 08:06:16,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc5c53b-addd-4d49-8980-469a4e03be56/bin/utaipan-gh47qXpMRh/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