./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_13_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_caaf9ea4-94c2-4c70-8737-2622e73b5f39/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf9ea4-94c2-4c70-8737-2622e73b5f39/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf9ea4-94c2-4c70-8737-2622e73b5f39/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf9ea4-94c2-4c70-8737-2622e73b5f39/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_13_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf9ea4-94c2-4c70-8737-2622e73b5f39/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf9ea4-94c2-4c70-8737-2622e73b5f39/bin/utaipan-ByfvJB40ur --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 5c46e6c4aa91829a08f4d6bb2c450fbc4da198da071915d594b555251480bb34 --- 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 [2022-11-26 00:09:23,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:09:23,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:09:23,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:09:23,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:09:23,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:09:23,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:09:23,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:09:23,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:09:23,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:09:23,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:09:23,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:09:23,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:09:23,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:09:23,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:09:23,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:09:23,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:09:23,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:09:23,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:09:23,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:09:23,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:09:23,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:09:23,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:09:23,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:09:23,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:09:23,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:09:23,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:09:23,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:09:23,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:09:23,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:09:23,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:09:23,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:09:23,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:09:23,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:09:23,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:09:23,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:09:23,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:09:23,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:09:23,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:09:23,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:09:23,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:09:23,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf9ea4-94c2-4c70-8737-2622e73b5f39/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:09:23,440 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:09:23,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:09:23,441 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:09:23,441 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:09:23,442 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:09:23,443 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:09:23,443 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:09:23,443 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:09:23,444 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:09:23,444 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:09:23,445 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:09:23,445 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:09:23,446 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:09:23,446 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:09:23,446 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:09:23,447 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:09:23,447 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:09:23,447 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:09:23,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:09:23,449 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:09:23,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:09:23,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:09:23,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:09:23,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:09:23,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:09:23,451 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:09:23,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:09:23,452 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:09:23,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:09:23,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:09:23,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:09:23,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:09:23,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:09:23,454 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:09:23,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:09:23,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:09:23,455 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:09:23,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:09:23,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:09:23,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:09:23,457 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_caaf9ea4-94c2-4c70-8737-2622e73b5f39/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf9ea4-94c2-4c70-8737-2622e73b5f39/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c46e6c4aa91829a08f4d6bb2c450fbc4da198da071915d594b555251480bb34 [2022-11-26 00:09:23,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:09:23,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:09:23,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:09:23,794 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:09:23,794 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:09:23,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf9ea4-94c2-4c70-8737-2622e73b5f39/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_13_good.i [2022-11-26 00:09:26,847 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:09:27,211 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:09:27,216 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf9ea4-94c2-4c70-8737-2622e73b5f39/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_13_good.i [2022-11-26 00:09:27,239 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf9ea4-94c2-4c70-8737-2622e73b5f39/bin/utaipan-ByfvJB40ur/data/17a7916de/aa10c20ea8fc4adda6cde2e974ed26d5/FLAG92e6248e6 [2022-11-26 00:09:27,251 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf9ea4-94c2-4c70-8737-2622e73b5f39/bin/utaipan-ByfvJB40ur/data/17a7916de/aa10c20ea8fc4adda6cde2e974ed26d5 [2022-11-26 00:09:27,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:09:27,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:09:27,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:09:27,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:09:27,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:09:27,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:09:27" (1/1) ... [2022-11-26 00:09:27,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e14b40a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:27, skipping insertion in model container [2022-11-26 00:09:27,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:09:27" (1/1) ... [2022-11-26 00:09:27,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:09:27,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:09:27,707 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:09:28,174 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:09:28,180 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:09:28,181 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:09:28,183 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:09:28,184 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:09:28,214 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-26 00:09:28,227 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-26 00:09:28,246 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:09:28,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:09:28,261 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:09:28,283 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:09:28,329 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:09:28,331 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:09:28,333 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:09:28,335 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:09:28,336 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:09:28,340 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-26 00:09:28,344 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-26 00:09:28,348 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:09:28,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:09:28,518 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:09:28,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:28 WrapperNode [2022-11-26 00:09:28,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:09:28,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:09:28,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:09:28,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:09:28,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:28" (1/1) ... [2022-11-26 00:09:28,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:28" (1/1) ... [2022-11-26 00:09:28,652 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 111 [2022-11-26 00:09:28,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:09:28,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:09:28,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:09:28,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:09:28,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:28" (1/1) ... [2022-11-26 00:09:28,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:28" (1/1) ... [2022-11-26 00:09:28,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:28" (1/1) ... [2022-11-26 00:09:28,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:28" (1/1) ... [2022-11-26 00:09:28,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:28" (1/1) ... [2022-11-26 00:09:28,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:28" (1/1) ... [2022-11-26 00:09:28,696 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:28" (1/1) ... [2022-11-26 00:09:28,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:28" (1/1) ... [2022-11-26 00:09:28,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:09:28,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:09:28,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:09:28,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:09:28,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:28" (1/1) ... [2022-11-26 00:09:28,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:09:28,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf9ea4-94c2-4c70-8737-2622e73b5f39/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:09:28,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf9ea4-94c2-4c70-8737-2622e73b5f39/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:09:28,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf9ea4-94c2-4c70-8737-2622e73b5f39/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:09:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-26 00:09:28,782 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-26 00:09:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-26 00:09:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 00:09:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 00:09:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:09:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:09:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:09:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:09:28,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:09:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:09:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 00:09:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:09:29,032 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:09:29,034 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:09:29,301 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:09:29,362 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:09:29,363 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:09:29,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:09:29 BoogieIcfgContainer [2022-11-26 00:09:29,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:09:29,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:09:29,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:09:29,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:09:29,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:09:27" (1/3) ... [2022-11-26 00:09:29,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bfc605c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:09:29, skipping insertion in model container [2022-11-26 00:09:29,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:28" (2/3) ... [2022-11-26 00:09:29,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bfc605c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:09:29, skipping insertion in model container [2022-11-26 00:09:29,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:09:29" (3/3) ... [2022-11-26 00:09:29,374 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_13_good.i [2022-11-26 00:09:29,393 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:09:29,393 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-26 00:09:29,463 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:09:29,472 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;@7308e4cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:09:29,473 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-26 00:09:29,478 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 34 states have (on average 1.6764705882352942) internal successors, (57), 52 states have internal predecessors, (57), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-26 00:09:29,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-26 00:09:29,486 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:29,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:29,487 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:09:29,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:29,495 INFO L85 PathProgramCache]: Analyzing trace with hash -979105257, now seen corresponding path program 1 times [2022-11-26 00:09:29,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:29,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936259366] [2022-11-26 00:09:29,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:29,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:29,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:29,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:29,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936259366] [2022-11-26 00:09:29,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936259366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:29,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:29,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:09:29,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480211361] [2022-11-26 00:09:29,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:29,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:09:29,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:29,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:09:29,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:09:29,882 INFO L87 Difference]: Start difference. First operand has 57 states, 34 states have (on average 1.6764705882352942) internal successors, (57), 52 states have internal predecessors, (57), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 2.6666666666666665) 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) [2022-11-26 00:09:29,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:29,973 INFO L93 Difference]: Finished difference Result 105 states and 147 transitions. [2022-11-26 00:09:29,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:09:29,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) 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 [2022-11-26 00:09:29,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:29,985 INFO L225 Difference]: With dead ends: 105 [2022-11-26 00:09:29,985 INFO L226 Difference]: Without dead ends: 50 [2022-11-26 00:09:29,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:09:29,994 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 67 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:29,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 57 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:09:30,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-26 00:09:30,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-26 00:09:30,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.4375) internal successors, (46), 46 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:09:30,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2022-11-26 00:09:30,047 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 10 [2022-11-26 00:09:30,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:30,049 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2022-11-26 00:09:30,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) 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) [2022-11-26 00:09:30,050 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-11-26 00:09:30,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:09:30,053 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:30,053 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:30,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:09:30,054 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:09:30,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:30,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1019488046, now seen corresponding path program 1 times [2022-11-26 00:09:30,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:30,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301908571] [2022-11-26 00:09:30,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:30,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:30,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:30,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:30,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301908571] [2022-11-26 00:09:30,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301908571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:30,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:30,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:09:30,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644819009] [2022-11-26 00:09:30,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:30,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:09:30,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:30,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:09:30,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:09:30,190 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:09:30,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:30,230 INFO L93 Difference]: Finished difference Result 119 states and 146 transitions. [2022-11-26 00:09:30,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:09:30,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-26 00:09:30,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:30,233 INFO L225 Difference]: With dead ends: 119 [2022-11-26 00:09:30,233 INFO L226 Difference]: Without dead ends: 83 [2022-11-26 00:09:30,234 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 [2022-11-26 00:09:30,235 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 37 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:30,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 104 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:09:30,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-26 00:09:30,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 53. [2022-11-26 00:09:30,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 48 states have internal predecessors, (50), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:09:30,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2022-11-26 00:09:30,260 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 12 [2022-11-26 00:09:30,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:30,261 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2022-11-26 00:09:30,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:09:30,261 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2022-11-26 00:09:30,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:09:30,262 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:30,263 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:30,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:09:30,264 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:09:30,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:30,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1539358280, now seen corresponding path program 1 times [2022-11-26 00:09:30,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:30,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644881964] [2022-11-26 00:09:30,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:30,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:30,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:30,383 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:30,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644881964] [2022-11-26 00:09:30,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644881964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:30,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:30,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:09:30,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620153438] [2022-11-26 00:09:30,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:30,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:09:30,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:30,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:09:30,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:09:30,386 INFO L87 Difference]: Start difference. First operand 53 states and 66 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-26 00:09:30,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:30,415 INFO L93 Difference]: Finished difference Result 83 states and 103 transitions. [2022-11-26 00:09:30,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:09:30,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2022-11-26 00:09:30,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:30,418 INFO L225 Difference]: With dead ends: 83 [2022-11-26 00:09:30,418 INFO L226 Difference]: Without dead ends: 82 [2022-11-26 00:09:30,418 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 [2022-11-26 00:09:30,419 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 31 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 138 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 [2022-11-26 00:09:30,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 138 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:09:30,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-26 00:09:30,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 52. [2022-11-26 00:09:30,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 47 states have internal predecessors, (49), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:09:30,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 65 transitions. [2022-11-26 00:09:30,436 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 65 transitions. Word has length 13 [2022-11-26 00:09:30,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:30,436 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 65 transitions. [2022-11-26 00:09:30,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-26 00:09:30,437 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2022-11-26 00:09:30,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-26 00:09:30,437 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:30,438 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:30,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:09:30,438 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:09:30,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:30,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1244266517, now seen corresponding path program 1 times [2022-11-26 00:09:30,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:30,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701377646] [2022-11-26 00:09:30,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:30,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:30,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:30,522 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:30,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701377646] [2022-11-26 00:09:30,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701377646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:30,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:30,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:09:30,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245107397] [2022-11-26 00:09:30,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:30,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:09:30,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:30,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:09:30,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:09:30,525 INFO L87 Difference]: Start difference. First operand 52 states and 65 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, (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) [2022-11-26 00:09:30,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:30,579 INFO L93 Difference]: Finished difference Result 93 states and 109 transitions. [2022-11-26 00:09:30,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:09:30,584 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, (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 18 [2022-11-26 00:09:30,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:30,585 INFO L225 Difference]: With dead ends: 93 [2022-11-26 00:09:30,585 INFO L226 Difference]: Without dead ends: 71 [2022-11-26 00:09:30,586 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 [2022-11-26 00:09:30,587 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 23 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:30,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 97 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:09:30,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-26 00:09:30,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 55. [2022-11-26 00:09:30,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 40 states have (on average 1.325) internal successors, (53), 49 states have internal predecessors, (53), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:09:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2022-11-26 00:09:30,599 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 18 [2022-11-26 00:09:30,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:30,599 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2022-11-26 00:09:30,600 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, (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) [2022-11-26 00:09:30,600 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2022-11-26 00:09:30,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:09:30,601 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:30,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:30,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:09:30,601 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:09:30,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:30,602 INFO L85 PathProgramCache]: Analyzing trace with hash 82443747, now seen corresponding path program 1 times [2022-11-26 00:09:30,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:30,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672776616] [2022-11-26 00:09:30,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:30,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:30,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:30,717 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:30,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672776616] [2022-11-26 00:09:30,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672776616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:30,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:30,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:09:30,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873625519] [2022-11-26 00:09:30,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:30,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:09:30,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:30,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:09:30,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:09:30,730 INFO L87 Difference]: Start difference. First operand 55 states and 69 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, (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) [2022-11-26 00:09:30,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:30,787 INFO L93 Difference]: Finished difference Result 71 states and 86 transitions. [2022-11-26 00:09:30,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:09:30,788 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, (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 19 [2022-11-26 00:09:30,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:30,789 INFO L225 Difference]: With dead ends: 71 [2022-11-26 00:09:30,789 INFO L226 Difference]: Without dead ends: 70 [2022-11-26 00:09:30,789 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 [2022-11-26 00:09:30,790 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 17 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 111 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 [2022-11-26 00:09:30,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 111 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:09:30,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-26 00:09:30,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 54. [2022-11-26 00:09:30,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 40 states have (on average 1.3) internal successors, (52), 48 states have internal predecessors, (52), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:09:30,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2022-11-26 00:09:30,799 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 19 [2022-11-26 00:09:30,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:30,799 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2022-11-26 00:09:30,799 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, (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) [2022-11-26 00:09:30,800 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2022-11-26 00:09:30,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-26 00:09:30,800 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:30,801 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] [2022-11-26 00:09:30,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:09:30,801 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:09:30,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:30,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1959732023, now seen corresponding path program 1 times [2022-11-26 00:09:30,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:30,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371519643] [2022-11-26 00:09:30,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:30,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:30,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:30,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:30,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371519643] [2022-11-26 00:09:30,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371519643] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:30,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:30,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:09:30,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583681100] [2022-11-26 00:09:30,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:30,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:09:30,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:30,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:09:30,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:09:30,886 INFO L87 Difference]: Start difference. First operand 54 states and 68 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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) [2022-11-26 00:09:30,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:30,932 INFO L93 Difference]: Finished difference Result 54 states and 68 transitions. [2022-11-26 00:09:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:09:30,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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 21 [2022-11-26 00:09:30,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:30,934 INFO L225 Difference]: With dead ends: 54 [2022-11-26 00:09:30,934 INFO L226 Difference]: Without dead ends: 53 [2022-11-26 00:09:30,935 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 [2022-11-26 00:09:30,936 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 10 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:30,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 87 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:09:30,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-26 00:09:30,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-26 00:09:30,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 40 states have (on average 1.275) internal successors, (51), 47 states have internal predecessors, (51), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:09:30,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2022-11-26 00:09:30,951 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 21 [2022-11-26 00:09:30,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:30,952 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2022-11-26 00:09:30,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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) [2022-11-26 00:09:30,952 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-11-26 00:09:30,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-26 00:09:30,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:30,953 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:30,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:09:30,954 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:09:30,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:30,954 INFO L85 PathProgramCache]: Analyzing trace with hash -622150430, now seen corresponding path program 1 times [2022-11-26 00:09:30,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:30,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265732009] [2022-11-26 00:09:30,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:30,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:31,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:31,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265732009] [2022-11-26 00:09:31,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265732009] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:31,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:31,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:09:31,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584637999] [2022-11-26 00:09:31,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:31,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:09:31,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:31,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:09:31,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:09:31,042 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (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) [2022-11-26 00:09:31,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:31,066 INFO L93 Difference]: Finished difference Result 60 states and 73 transitions. [2022-11-26 00:09:31,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:09:31,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (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 22 [2022-11-26 00:09:31,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:31,070 INFO L225 Difference]: With dead ends: 60 [2022-11-26 00:09:31,070 INFO L226 Difference]: Without dead ends: 52 [2022-11-26 00:09:31,070 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 [2022-11-26 00:09:31,073 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 7 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:31,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 87 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:09:31,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-26 00:09:31,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-26 00:09:31,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.225) internal successors, (49), 45 states have internal predecessors, (49), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:09:31,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 65 transitions. [2022-11-26 00:09:31,099 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 65 transitions. Word has length 22 [2022-11-26 00:09:31,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:31,099 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 65 transitions. [2022-11-26 00:09:31,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (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) [2022-11-26 00:09:31,100 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2022-11-26 00:09:31,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-26 00:09:31,102 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:31,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:31,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:09:31,102 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:09:31,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:31,103 INFO L85 PathProgramCache]: Analyzing trace with hash 376327371, now seen corresponding path program 1 times [2022-11-26 00:09:31,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:31,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360980661] [2022-11-26 00:09:31,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:31,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:31,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:31,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:31,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360980661] [2022-11-26 00:09:31,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360980661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:31,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:31,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:09:31,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265967966] [2022-11-26 00:09:31,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:31,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:09:31,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:31,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:09:31,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:09:31,258 INFO L87 Difference]: Start difference. First operand 52 states and 65 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-11-26 00:09:31,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:31,301 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2022-11-26 00:09:31,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:09:31,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 29 [2022-11-26 00:09:31,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:31,303 INFO L225 Difference]: With dead ends: 52 [2022-11-26 00:09:31,305 INFO L226 Difference]: Without dead ends: 51 [2022-11-26 00:09:31,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:09:31,306 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 35 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:31,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 80 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:09:31,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-26 00:09:31,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-26 00:09:31,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 40 states have (on average 1.2) internal successors, (48), 44 states have internal predecessors, (48), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:09:31,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 64 transitions. [2022-11-26 00:09:31,324 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 64 transitions. Word has length 29 [2022-11-26 00:09:31,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:31,324 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 64 transitions. [2022-11-26 00:09:31,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-11-26 00:09:31,325 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2022-11-26 00:09:31,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:09:31,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:31,331 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:31,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:09:31,331 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:09:31,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:31,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1218753224, now seen corresponding path program 1 times [2022-11-26 00:09:31,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:31,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50781087] [2022-11-26 00:09:31,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:31,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:31,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:09:31,438 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:31,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50781087] [2022-11-26 00:09:31,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50781087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:09:31,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:09:31,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:09:31,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469357570] [2022-11-26 00:09:31,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:09:31,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:09:31,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:09:31,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:09:31,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:09:31,442 INFO L87 Difference]: Start difference. First operand 51 states and 64 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2022-11-26 00:09:31,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:31,489 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2022-11-26 00:09:31,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:09:31,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 30 [2022-11-26 00:09:31,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:31,492 INFO L225 Difference]: With dead ends: 51 [2022-11-26 00:09:31,493 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:09:31,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:09:31,498 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 32 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:31,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 80 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:09:31,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:09:31,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:09:31,505 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) [2022-11-26 00:09:31,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:09:31,506 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2022-11-26 00:09:31,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:31,506 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:09:31,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2022-11-26 00:09:31,506 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:09:31,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:09:31,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-26 00:09:31,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-26 00:09:31,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-26 00:09:31,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-26 00:09:31,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-26 00:09:31,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-26 00:09:31,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-26 00:09:31,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-26 00:09:31,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:09:31,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 00:09:31,609 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-26 00:09:31,610 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-26 00:09:31,610 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-26 00:09:31,611 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-26 00:09:31,611 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2022-11-26 00:09:31,611 INFO L895 garLoopResultBuilder]: At program point L1654(line 1654) the Hoare annotation is: (= 5 ~GLOBAL_CONST_FIVE~0) [2022-11-26 00:09:31,612 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2022-11-26 00:09:31,612 INFO L899 garLoopResultBuilder]: For program point L1572(lines 1572 1583) no Hoare annotation was computed. [2022-11-26 00:09:31,612 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 1566 1584) no Hoare annotation was computed. [2022-11-26 00:09:31,612 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-26 00:09:31,612 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-26 00:09:31,613 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1563) no Hoare annotation was computed. [2022-11-26 00:09:31,613 INFO L895 garLoopResultBuilder]: At program point L1581(line 1581) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) (= 5 ~GLOBAL_CONST_FIVE~0)) [2022-11-26 00:09:31,614 INFO L899 garLoopResultBuilder]: For program point L1606(lines 1606 1617) no Hoare annotation was computed. [2022-11-26 00:09:31,614 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-26 00:09:31,614 INFO L899 garLoopResultBuilder]: For program point L1590(lines 1590 1603) no Hoare annotation was computed. [2022-11-26 00:09:31,614 INFO L899 garLoopResultBuilder]: For program point L1590-2(lines 1587 1619) no Hoare annotation was computed. [2022-11-26 00:09:31,614 INFO L895 garLoopResultBuilder]: At program point L1615(line 1615) the Hoare annotation is: (and (= 5 ~GLOBAL_CONST_FIVE~0) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0)) [2022-11-26 00:09:31,615 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1582) no Hoare annotation was computed. [2022-11-26 00:09:31,615 INFO L899 garLoopResultBuilder]: For program point L1624(lines 1624 1631) no Hoare annotation was computed. [2022-11-26 00:09:31,615 INFO L899 garLoopResultBuilder]: For program point L1624-1(lines 1621 1640) no Hoare annotation was computed. [2022-11-26 00:09:31,615 INFO L899 garLoopResultBuilder]: For program point L1641(lines 1641 1657) no Hoare annotation was computed. [2022-11-26 00:09:31,615 INFO L899 garLoopResultBuilder]: For program point L1608(lines 1608 1616) no Hoare annotation was computed. [2022-11-26 00:09:31,616 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (= 5 ~GLOBAL_CONST_FIVE~0)) [2022-11-26 00:09:31,616 INFO L899 garLoopResultBuilder]: For program point L1600-1(lines 1594 1601) no Hoare annotation was computed. [2022-11-26 00:09:31,616 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-11-26 00:09:31,616 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2022-11-26 00:09:31,616 INFO L899 garLoopResultBuilder]: For program point L1634(lines 1634 1638) no Hoare annotation was computed. [2022-11-26 00:09:31,617 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: false [2022-11-26 00:09:31,617 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2022-11-26 00:09:31,617 INFO L895 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: false [2022-11-26 00:09:31,618 INFO L899 garLoopResultBuilder]: For program point L1651(lines 1651 1655) no Hoare annotation was computed. [2022-11-26 00:09:31,618 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1565) no Hoare annotation was computed. [2022-11-26 00:09:31,618 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1585) no Hoare annotation was computed. [2022-11-26 00:09:31,618 INFO L899 garLoopResultBuilder]: For program point L1610(line 1610) no Hoare annotation was computed. [2022-11-26 00:09:31,619 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) (= 5 ~GLOBAL_CONST_FIVE~0)) [2022-11-26 00:09:31,620 INFO L899 garLoopResultBuilder]: For program point L1610-1(line 1610) no Hoare annotation was computed. [2022-11-26 00:09:31,620 INFO L895 garLoopResultBuilder]: At program point L1668(line 1668) the Hoare annotation is: (= 5 ~GLOBAL_CONST_FIVE~0) [2022-11-26 00:09:31,620 INFO L899 garLoopResultBuilder]: For program point L1668-1(line 1668) no Hoare annotation was computed. [2022-11-26 00:09:31,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 00:09:31,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2022-11-26 00:09:31,621 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1601) no Hoare annotation was computed. [2022-11-26 00:09:31,621 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1619) no Hoare annotation was computed. [2022-11-26 00:09:31,621 INFO L895 garLoopResultBuilder]: At program point L1611(line 1611) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (= 5 ~GLOBAL_CONST_FIVE~0) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0)) [2022-11-26 00:09:31,622 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-11-26 00:09:31,622 INFO L899 garLoopResultBuilder]: For program point L1636-1(line 1636) no Hoare annotation was computed. [2022-11-26 00:09:31,622 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2022-11-26 00:09:31,622 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) (= 5 ~GLOBAL_CONST_FIVE~0)) [2022-11-26 00:09:31,622 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2022-11-26 00:09:31,623 INFO L899 garLoopResultBuilder]: For program point L1653(line 1653) no Hoare annotation was computed. [2022-11-26 00:09:31,623 INFO L899 garLoopResultBuilder]: For program point L1620(lines 1620 1640) no Hoare annotation was computed. [2022-11-26 00:09:31,623 INFO L899 garLoopResultBuilder]: For program point L1653-1(line 1653) no Hoare annotation was computed. [2022-11-26 00:09:31,623 INFO L899 garLoopResultBuilder]: For program point L1645-2(lines 1642 1657) no Hoare annotation was computed. [2022-11-26 00:09:31,623 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2022-11-26 00:09:31,624 INFO L895 garLoopResultBuilder]: At program point L1670(line 1670) the Hoare annotation is: (= 5 ~GLOBAL_CONST_FIVE~0) [2022-11-26 00:09:31,624 INFO L895 garLoopResultBuilder]: At program point L1637(line 1637) the Hoare annotation is: (let ((.cse0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) (and (= 5 ~GLOBAL_CONST_FIVE~0) (<= .cse0 0) (<= 0 .cse0))) [2022-11-26 00:09:31,624 INFO L895 garLoopResultBuilder]: At program point L1670-1(line 1670) the Hoare annotation is: (= 5 ~GLOBAL_CONST_FIVE~0) [2022-11-26 00:09:31,627 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:09:31,630 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:09:31,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:09:31 BoogieIcfgContainer [2022-11-26 00:09:31,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:09:31,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:09:31,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:09:31,645 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:09:31,646 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:09:29" (3/4) ... [2022-11-26 00:09:31,649 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:09:31,655 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-26 00:09:31,655 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-26 00:09:31,665 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-26 00:09:31,666 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-26 00:09:31,666 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-26 00:09:31,666 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:09:31,667 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:09:31,733 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf9ea4-94c2-4c70-8737-2622e73b5f39/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:09:31,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:09:31,734 INFO L158 Benchmark]: Toolchain (without parser) took 4479.41ms. Allocated memory was 188.7MB in the beginning and 228.6MB in the end (delta: 39.8MB). Free memory was 138.7MB in the beginning and 176.4MB in the end (delta: -37.6MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2022-11-26 00:09:31,735 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:09:31,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1268.39ms. Allocated memory is still 188.7MB. Free memory was 138.7MB in the beginning and 153.7MB in the end (delta: -15.0MB). Peak memory consumption was 76.7MB. Max. memory is 16.1GB. [2022-11-26 00:09:31,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.87ms. Allocated memory is still 188.7MB. Free memory was 153.7MB in the beginning and 154.7MB in the end (delta: -1.0MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2022-11-26 00:09:31,736 INFO L158 Benchmark]: Boogie Preprocessor took 47.03ms. Allocated memory is still 188.7MB. Free memory was 154.7MB in the beginning and 153.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:09:31,737 INFO L158 Benchmark]: RCFGBuilder took 664.83ms. Allocated memory is still 188.7MB. Free memory was 152.6MB in the beginning and 133.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-26 00:09:31,737 INFO L158 Benchmark]: TraceAbstraction took 2276.74ms. Allocated memory was 188.7MB in the beginning and 228.6MB in the end (delta: 39.8MB). Free memory was 133.7MB in the beginning and 180.6MB in the end (delta: -46.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:09:31,738 INFO L158 Benchmark]: Witness Printer took 89.23ms. Allocated memory is still 228.6MB. Free memory was 179.5MB in the beginning and 176.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:09:31,740 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1268.39ms. Allocated memory is still 188.7MB. Free memory was 138.7MB in the beginning and 153.7MB in the end (delta: -15.0MB). Peak memory consumption was 76.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.87ms. Allocated memory is still 188.7MB. Free memory was 153.7MB in the beginning and 154.7MB in the end (delta: -1.0MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.03ms. Allocated memory is still 188.7MB. Free memory was 154.7MB in the beginning and 153.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 664.83ms. Allocated memory is still 188.7MB. Free memory was 152.6MB in the beginning and 133.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2276.74ms. Allocated memory was 188.7MB in the beginning and 228.6MB in the end (delta: 39.8MB). Free memory was 133.7MB in the beginning and 180.6MB in the end (delta: -46.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 89.23ms. Allocated memory is still 228.6MB. Free memory was 179.5MB in the beginning and 176.4MB 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: 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, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 279 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 259 mSDsluCounter, 841 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 339 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 147 IncrementalHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 502 mSDtfsCounter, 147 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 92 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 40 PreInvPairs, 49 NumberOfFragments, 94 HoareAnnotationTreeSize, 40 FomulaSimplifications, 242 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 343 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 8 specifications checked. All of them hold - InvariantResult [Line: 1670]: Loop Invariant Derived loop invariant: 5 == GLOBAL_CONST_FIVE RESULT: Ultimate proved your program to be correct! [2022-11-26 00:09:31,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf9ea4-94c2-4c70-8737-2622e73b5f39/bin/utaipan-ByfvJB40ur/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