./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_14_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_94c3ffea-fc6a-46f1-8483-fdfc7bd6f069/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c3ffea-fc6a-46f1-8483-fdfc7bd6f069/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c3ffea-fc6a-46f1-8483-fdfc7bd6f069/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c3ffea-fc6a-46f1-8483-fdfc7bd6f069/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_14_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c3ffea-fc6a-46f1-8483-fdfc7bd6f069/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c3ffea-fc6a-46f1-8483-fdfc7bd6f069/bin/utaipan-g80aRyZoba --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 1c4f09061289ac282723f540c80bfcbc8fc1e2590258403429a5b81141f03c33 --- 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-b5237d8 [2022-11-22 00:25:17,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:25:17,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:25:17,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:25:17,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:25:17,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:25:17,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:25:17,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:25:17,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:25:17,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:25:17,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:25:17,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:25:17,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:25:17,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:25:17,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:25:17,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:25:17,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:25:17,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:25:17,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:25:17,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:25:17,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:25:17,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:25:17,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:25:17,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:25:17,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:25:17,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:25:17,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:25:17,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:25:17,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:25:17,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:25:17,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:25:17,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:25:17,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:25:17,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:25:17,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:25:17,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:25:17,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:25:17,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:25:17,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:25:17,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:25:17,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:25:17,349 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c3ffea-fc6a-46f1-8483-fdfc7bd6f069/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-22 00:25:17,386 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:25:17,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:25:17,387 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:25:17,387 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:25:17,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:25:17,388 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:25:17,389 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:25:17,389 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:25:17,389 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:25:17,389 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:25:17,390 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:25:17,391 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:25:17,391 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:25:17,391 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:25:17,391 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:25:17,392 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:25:17,392 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:25:17,392 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:25:17,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:25:17,394 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:25:17,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:25:17,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:25:17,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:25:17,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:25:17,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:25:17,395 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:25:17,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:25:17,395 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:25:17,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:25:17,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:25:17,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:25:17,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:25:17,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:25:17,397 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:25:17,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:25:17,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:25:17,398 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:25:17,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:25:17,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:25:17,399 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:25:17,399 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_94c3ffea-fc6a-46f1-8483-fdfc7bd6f069/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c3ffea-fc6a-46f1-8483-fdfc7bd6f069/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c4f09061289ac282723f540c80bfcbc8fc1e2590258403429a5b81141f03c33 [2022-11-22 00:25:17,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:25:17,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:25:17,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:25:17,711 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:25:17,711 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:25:17,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c3ffea-fc6a-46f1-8483-fdfc7bd6f069/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_14_good.i [2022-11-22 00:25:20,814 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:25:21,213 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:25:21,214 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c3ffea-fc6a-46f1-8483-fdfc7bd6f069/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_14_good.i [2022-11-22 00:25:21,248 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c3ffea-fc6a-46f1-8483-fdfc7bd6f069/bin/utaipan-g80aRyZoba/data/73010ef6e/a271985b63774235baee9ef257b8259b/FLAG3a5bfdbe0 [2022-11-22 00:25:21,266 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c3ffea-fc6a-46f1-8483-fdfc7bd6f069/bin/utaipan-g80aRyZoba/data/73010ef6e/a271985b63774235baee9ef257b8259b [2022-11-22 00:25:21,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:25:21,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:25:21,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:25:21,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:25:21,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:25:21,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:25:21" (1/1) ... [2022-11-22 00:25:21,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6f9482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:25:21, skipping insertion in model container [2022-11-22 00:25:21,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:25:21" (1/1) ... [2022-11-22 00:25:21,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:25:21,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:25:21,851 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 00:25:22,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:25:22,397 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:25:22,424 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 00:25:22,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:25:22,659 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:25:22,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:25:22 WrapperNode [2022-11-22 00:25:22,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:25:22,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:25:22,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:25:22,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:25:22,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:25:22" (1/1) ... [2022-11-22 00:25:22,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:25:22" (1/1) ... [2022-11-22 00:25:22,736 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2022-11-22 00:25:22,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:25:22,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:25:22,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:25:22,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:25:22,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:25:22" (1/1) ... [2022-11-22 00:25:22,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:25:22" (1/1) ... [2022-11-22 00:25:22,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:25:22" (1/1) ... [2022-11-22 00:25:22,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:25:22" (1/1) ... [2022-11-22 00:25:22,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:25:22" (1/1) ... [2022-11-22 00:25:22,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:25:22" (1/1) ... [2022-11-22 00:25:22,771 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:25:22" (1/1) ... [2022-11-22 00:25:22,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:25:22" (1/1) ... [2022-11-22 00:25:22,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:25:22,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:25:22,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:25:22,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:25:22,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:25:22" (1/1) ... [2022-11-22 00:25:22,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:25:22,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c3ffea-fc6a-46f1-8483-fdfc7bd6f069/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:25:22,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c3ffea-fc6a-46f1-8483-fdfc7bd6f069/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:25:22,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c3ffea-fc6a-46f1-8483-fdfc7bd6f069/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:25:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-22 00:25:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-22 00:25:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-22 00:25:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-22 00:25:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-22 00:25:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:25:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 00:25:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:25:22,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:25:22,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:25:22,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:25:22,904 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-22 00:25:22,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:25:23,118 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:25:23,121 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:25:23,448 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:25:23,522 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:25:23,525 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 00:25:23,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:25:23 BoogieIcfgContainer [2022-11-22 00:25:23,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:25:23,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:25:23,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:25:23,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:25:23,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:25:21" (1/3) ... [2022-11-22 00:25:23,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60cafe43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:25:23, skipping insertion in model container [2022-11-22 00:25:23,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:25:22" (2/3) ... [2022-11-22 00:25:23,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60cafe43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:25:23, skipping insertion in model container [2022-11-22 00:25:23,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:25:23" (3/3) ... [2022-11-22 00:25:23,543 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_predec_14_good.i [2022-11-22 00:25:23,568 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:25:23,568 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-22 00:25:23,642 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:25:23,650 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;@26a61811, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:25:23,651 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-22 00:25:23,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 30 states have (on average 1.6333333333333333) internal successors, (49), 47 states have internal predecessors, (49), 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) [2022-11-22 00:25:23,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 00:25:23,665 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:25:23,666 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:25:23,666 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)] === [2022-11-22 00:25:23,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:25:23,675 INFO L85 PathProgramCache]: Analyzing trace with hash -906031154, now seen corresponding path program 1 times [2022-11-22 00:25:23,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:25:23,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980335365] [2022-11-22 00:25:23,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:25:23,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:25:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:25:24,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:25:24,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:25:24,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980335365] [2022-11-22 00:25:24,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980335365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:25:24,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:25:24,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:25:24,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65495056] [2022-11-22 00:25:24,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:25:24,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:25:24,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:25:24,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:25:24,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:25:24,064 INFO L87 Difference]: Start difference. First operand has 53 states, 30 states have (on average 1.6333333333333333) internal successors, (49), 47 states have internal predecessors, (49), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:25:24,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:25:24,171 INFO L93 Difference]: Finished difference Result 97 states and 131 transitions. [2022-11-22 00:25:24,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:25:24,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-11-22 00:25:24,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:25:24,181 INFO L225 Difference]: With dead ends: 97 [2022-11-22 00:25:24,181 INFO L226 Difference]: Without dead ends: 46 [2022-11-22 00:25:24,184 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 [2022-11-22 00:25:24,187 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 59 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:25:24,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 49 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:25:24,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-22 00:25:24,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-22 00:25:24,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 39 states have internal predecessors, (39), 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) [2022-11-22 00:25:24,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2022-11-22 00:25:24,226 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 9 [2022-11-22 00:25:24,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:25:24,228 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2022-11-22 00:25:24,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:25:24,228 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-11-22 00:25:24,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 00:25:24,230 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:25:24,230 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:25:24,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:25:24,230 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)] === [2022-11-22 00:25:24,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:25:24,231 INFO L85 PathProgramCache]: Analyzing trace with hash 882841139, now seen corresponding path program 1 times [2022-11-22 00:25:24,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:25:24,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444050486] [2022-11-22 00:25:24,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:25:24,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:25:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:25:24,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:25:24,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:25:24,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444050486] [2022-11-22 00:25:24,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444050486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:25:24,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:25:24,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:25:24,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407681436] [2022-11-22 00:25:24,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:25:24,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:25:24,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:25:24,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:25:24,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:25:24,350 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:25:24,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:25:24,376 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2022-11-22 00:25:24,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:25:24,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-22 00:25:24,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:25:24,378 INFO L225 Difference]: With dead ends: 46 [2022-11-22 00:25:24,378 INFO L226 Difference]: Without dead ends: 45 [2022-11-22 00:25:24,379 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 [2022-11-22 00:25:24,380 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 29 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:25:24,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 54 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:25:24,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-22 00:25:24,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-22 00:25:24,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 38 states have internal predecessors, (38), 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) [2022-11-22 00:25:24,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2022-11-22 00:25:24,390 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 11 [2022-11-22 00:25:24,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:25:24,390 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2022-11-22 00:25:24,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:25:24,391 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-11-22 00:25:24,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 00:25:24,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:25:24,392 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:25:24,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:25:24,392 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)] === [2022-11-22 00:25:24,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:25:24,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1598271604, now seen corresponding path program 1 times [2022-11-22 00:25:24,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:25:24,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764842356] [2022-11-22 00:25:24,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:25:24,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:25:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:25:24,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:25:24,536 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:25:24,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764842356] [2022-11-22 00:25:24,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764842356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:25:24,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:25:24,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:25:24,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534382445] [2022-11-22 00:25:24,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:25:24,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:25:24,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:25:24,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:25:24,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:25:24,538 INFO L87 Difference]: Start difference. First operand 45 states and 54 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) [2022-11-22 00:25:24,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:25:24,598 INFO L93 Difference]: Finished difference Result 80 states and 94 transitions. [2022-11-22 00:25:24,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:25:24,602 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 [2022-11-22 00:25:24,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:25:24,603 INFO L225 Difference]: With dead ends: 80 [2022-11-22 00:25:24,604 INFO L226 Difference]: Without dead ends: 47 [2022-11-22 00:25:24,604 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 [2022-11-22 00:25:24,605 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 4 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:25:24,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 89 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:25:24,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-22 00:25:24,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-22 00:25:24,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 39 states have internal predecessors, (40), 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) [2022-11-22 00:25:24,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2022-11-22 00:25:24,614 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 12 [2022-11-22 00:25:24,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:25:24,615 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2022-11-22 00:25:24,615 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) [2022-11-22 00:25:24,615 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-11-22 00:25:24,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-22 00:25:24,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:25:24,620 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:25:24,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 00:25:24,620 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)] === [2022-11-22 00:25:24,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:25:24,621 INFO L85 PathProgramCache]: Analyzing trace with hash 172725796, now seen corresponding path program 1 times [2022-11-22 00:25:24,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:25:24,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248151084] [2022-11-22 00:25:24,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:25:24,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:25:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:25:24,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:25:24,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:25:24,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248151084] [2022-11-22 00:25:24,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248151084] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:25:24,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:25:24,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:25:24,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208906833] [2022-11-22 00:25:24,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:25:24,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:25:24,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:25:24,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:25:24,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:25:24,739 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-22 00:25:24,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:25:24,794 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2022-11-22 00:25:24,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:25:24,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2022-11-22 00:25:24,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:25:24,796 INFO L225 Difference]: With dead ends: 47 [2022-11-22 00:25:24,797 INFO L226 Difference]: Without dead ends: 46 [2022-11-22 00:25:24,797 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 [2022-11-22 00:25:24,798 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 17 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:25:24,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 65 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:25:24,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-22 00:25:24,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-22 00:25:24,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 38 states have internal predecessors, (39), 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) [2022-11-22 00:25:24,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2022-11-22 00:25:24,815 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 20 [2022-11-22 00:25:24,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:25:24,820 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2022-11-22 00:25:24,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-22 00:25:24,820 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-11-22 00:25:24,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-22 00:25:24,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:25:24,821 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:25:24,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 00:25:24,841 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)] === [2022-11-22 00:25:24,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:25:24,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1059532481, now seen corresponding path program 1 times [2022-11-22 00:25:24,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:25:24,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720555165] [2022-11-22 00:25:24,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:25:24,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:25:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:25:24,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:25:24,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:25:24,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720555165] [2022-11-22 00:25:24,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720555165] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:25:24,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:25:24,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:25:24,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128219106] [2022-11-22 00:25:24,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:25:24,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:25:24,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:25:24,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:25:24,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:25:24,926 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:25:24,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:25:24,964 INFO L93 Difference]: Finished difference Result 68 states and 77 transitions. [2022-11-22 00:25:24,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:25:24,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-22 00:25:24,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:25:24,972 INFO L225 Difference]: With dead ends: 68 [2022-11-22 00:25:24,972 INFO L226 Difference]: Without dead ends: 48 [2022-11-22 00:25:24,973 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 [2022-11-22 00:25:24,975 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 4 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:25:24,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 85 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:25:24,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-22 00:25:24,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-11-22 00:25:24,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 39 states have internal predecessors, (41), 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) [2022-11-22 00:25:24,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2022-11-22 00:25:24,996 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 21 [2022-11-22 00:25:24,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:25:24,998 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2022-11-22 00:25:24,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 00:25:24,999 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2022-11-22 00:25:25,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-22 00:25:25,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:25:25,002 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:25:25,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 00:25:25,003 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)] === [2022-11-22 00:25:25,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:25:25,004 INFO L85 PathProgramCache]: Analyzing trace with hash -768304261, now seen corresponding path program 1 times [2022-11-22 00:25:25,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:25:25,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356223281] [2022-11-22 00:25:25,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:25:25,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:25:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:25:25,127 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 00:25:25,127 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:25:25,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356223281] [2022-11-22 00:25:25,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356223281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:25:25,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:25:25,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:25:25,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678412045] [2022-11-22 00:25:25,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:25:25,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:25:25,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:25:25,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:25:25,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:25:25,132 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 00:25:25,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:25:25,166 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2022-11-22 00:25:25,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:25:25,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2022-11-22 00:25:25,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:25:25,169 INFO L225 Difference]: With dead ends: 48 [2022-11-22 00:25:25,170 INFO L226 Difference]: Without dead ends: 47 [2022-11-22 00:25:25,170 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 [2022-11-22 00:25:25,179 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 7 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 78 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 [2022-11-22 00:25:25,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 78 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:25:25,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-22 00:25:25,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-22 00:25:25,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 38 states have internal predecessors, (40), 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) [2022-11-22 00:25:25,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2022-11-22 00:25:25,197 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 26 [2022-11-22 00:25:25,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:25:25,198 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2022-11-22 00:25:25,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 00:25:25,198 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-11-22 00:25:25,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-22 00:25:25,199 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:25:25,199 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:25:25,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 00:25:25,200 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)] === [2022-11-22 00:25:25,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:25:25,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1952371809, now seen corresponding path program 1 times [2022-11-22 00:25:25,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:25:25,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161874946] [2022-11-22 00:25:25,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:25:25,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:25:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:25:25,304 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 00:25:25,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:25:25,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161874946] [2022-11-22 00:25:25,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161874946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:25:25,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:25:25,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:25:25,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803988384] [2022-11-22 00:25:25,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:25:25,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:25:25,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:25:25,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:25:25,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:25:25,308 INFO L87 Difference]: Start difference. First operand 47 states and 56 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 00:25:25,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:25:25,341 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2022-11-22 00:25:25,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:25:25,342 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2022-11-22 00:25:25,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:25:25,343 INFO L225 Difference]: With dead ends: 47 [2022-11-22 00:25:25,344 INFO L226 Difference]: Without dead ends: 46 [2022-11-22 00:25:25,344 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 [2022-11-22 00:25:25,347 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 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 [2022-11-22 00:25:25,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:25:25,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-22 00:25:25,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-22 00:25:25,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 37 states have internal predecessors, (39), 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) [2022-11-22 00:25:25,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2022-11-22 00:25:25,370 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 27 [2022-11-22 00:25:25,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:25:25,371 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2022-11-22 00:25:25,371 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 00:25:25,372 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-11-22 00:25:25,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-22 00:25:25,379 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:25:25,379 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-22 00:25:25,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 00:25:25,380 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)] === [2022-11-22 00:25:25,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:25:25,381 INFO L85 PathProgramCache]: Analyzing trace with hash 462357975, now seen corresponding path program 1 times [2022-11-22 00:25:25,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:25:25,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200570246] [2022-11-22 00:25:25,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:25:25,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:25:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:25:25,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 00:25:25,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:25:25,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200570246] [2022-11-22 00:25:25,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200570246] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:25:25,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:25:25,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:25:25,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323280594] [2022-11-22 00:25:25,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:25:25,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:25:25,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:25:25,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:25:25,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:25:25,504 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 00:25:25,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:25:25,539 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2022-11-22 00:25:25,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:25:25,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2022-11-22 00:25:25,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:25:25,541 INFO L225 Difference]: With dead ends: 46 [2022-11-22 00:25:25,541 INFO L226 Difference]: Without dead ends: 45 [2022-11-22 00:25:25,541 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 [2022-11-22 00:25:25,542 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 28 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 70 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 [2022-11-22 00:25:25,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 70 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:25:25,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-22 00:25:25,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-22 00:25:25,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 36 states have internal predecessors, (38), 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) [2022-11-22 00:25:25,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2022-11-22 00:25:25,549 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 33 [2022-11-22 00:25:25,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:25:25,549 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2022-11-22 00:25:25,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 00:25:25,550 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-11-22 00:25:25,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-22 00:25:25,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:25:25,551 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1] [2022-11-22 00:25:25,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 00:25:25,551 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)] === [2022-11-22 00:25:25,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:25:25,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1448195479, now seen corresponding path program 1 times [2022-11-22 00:25:25,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:25:25,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571597539] [2022-11-22 00:25:25,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:25:25,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:25:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:25:25,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 00:25:25,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:25:25,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571597539] [2022-11-22 00:25:25,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571597539] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:25:25,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:25:25,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:25:25,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056869783] [2022-11-22 00:25:25,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:25:25,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:25:25,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:25:25,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:25:25,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:25:25,667 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 00:25:25,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:25:25,737 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2022-11-22 00:25:25,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:25:25,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2022-11-22 00:25:25,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:25:25,738 INFO L225 Difference]: With dead ends: 45 [2022-11-22 00:25:25,739 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 00:25:25,739 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 [2022-11-22 00:25:25,740 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 25 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:25:25,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 70 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:25:25,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 00:25:25,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 00:25:25,741 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) [2022-11-22 00:25:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 00:25:25,741 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2022-11-22 00:25:25,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:25:25,741 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 00:25:25,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-22 00:25:25,742 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 00:25:25,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 00:25:25,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-22 00:25:25,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-22 00:25:25,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-22 00:25:25,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-22 00:25:25,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-22 00:25:25,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-22 00:25:25,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-22 00:25:25,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-22 00:25:25,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 00:25:25,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 00:25:25,824 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-22 00:25:25,824 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-22 00:25:25,825 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-22 00:25:25,825 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-22 00:25:25,825 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1606) no Hoare annotation was computed. [2022-11-22 00:25:25,825 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1601) no Hoare annotation was computed. [2022-11-22 00:25:25,825 INFO L899 garLoopResultBuilder]: For program point L1588-2(lines 1585 1615) no Hoare annotation was computed. [2022-11-22 00:25:25,826 INFO L895 garLoopResultBuilder]: At program point L1580(line 1580) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (= 5 ~globalFive~0)) [2022-11-22 00:25:25,827 INFO L899 garLoopResultBuilder]: For program point L1580-1(lines 1566 1582) no Hoare annotation was computed. [2022-11-22 00:25:25,827 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1648) no Hoare annotation was computed. [2022-11-22 00:25:25,827 INFO L899 garLoopResultBuilder]: For program point L1572(lines 1572 1581) no Hoare annotation was computed. [2022-11-22 00:25:25,828 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed. [2022-11-22 00:25:25,828 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 00:25:25,828 INFO L895 garLoopResultBuilder]: At program point L1622(line 1622) the Hoare annotation is: false [2022-11-22 00:25:25,828 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1563) no Hoare annotation was computed. [2022-11-22 00:25:25,829 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-11-22 00:25:25,829 INFO L899 garLoopResultBuilder]: For program point L1606-1(line 1606) no Hoare annotation was computed. [2022-11-22 00:25:25,829 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed. [2022-11-22 00:25:25,830 INFO L895 garLoopResultBuilder]: At program point L1664(line 1664) the Hoare annotation is: (= 5 ~globalFive~0) [2022-11-22 00:25:25,830 INFO L899 garLoopResultBuilder]: For program point L1664-1(line 1664) no Hoare annotation was computed. [2022-11-22 00:25:25,830 INFO L899 garLoopResultBuilder]: For program point L1631(line 1631) no Hoare annotation was computed. [2022-11-22 00:25:25,830 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (and (not (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0)) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (= 5 ~globalFive~0)) [2022-11-22 00:25:25,830 INFO L899 garLoopResultBuilder]: For program point L1631-1(line 1631) no Hoare annotation was computed. [2022-11-22 00:25:25,830 INFO L899 garLoopResultBuilder]: For program point L1598-1(lines 1592 1599) no Hoare annotation was computed. [2022-11-22 00:25:25,831 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-11-22 00:25:25,831 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2022-11-22 00:25:25,831 INFO L899 garLoopResultBuilder]: For program point L1574(line 1574) no Hoare annotation was computed. [2022-11-22 00:25:25,831 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2022-11-22 00:25:25,831 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1636) no Hoare annotation was computed. [2022-11-22 00:25:25,832 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (= 5 ~globalFive~0)) [2022-11-22 00:25:25,832 INFO L899 garLoopResultBuilder]: For program point L1641-2(lines 1638 1653) no Hoare annotation was computed. [2022-11-22 00:25:25,832 INFO L895 garLoopResultBuilder]: At program point L1666(line 1666) the Hoare annotation is: (= 5 ~globalFive~0) [2022-11-22 00:25:25,832 INFO L895 garLoopResultBuilder]: At program point L1633(line 1633) the Hoare annotation is: (and (<= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (= 5 ~globalFive~0)) [2022-11-22 00:25:25,832 INFO L895 garLoopResultBuilder]: At program point L1666-1(line 1666) the Hoare annotation is: (= 5 ~globalFive~0) [2022-11-22 00:25:25,833 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1599) no Hoare annotation was computed. [2022-11-22 00:25:25,833 INFO L895 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: (= 5 ~globalFive~0) [2022-11-22 00:25:25,833 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1615) no Hoare annotation was computed. [2022-11-22 00:25:25,833 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (= 5 ~globalFive~0)) [2022-11-22 00:25:25,833 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: false [2022-11-22 00:25:25,834 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1631) no Hoare annotation was computed. [2022-11-22 00:25:25,834 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1565) no Hoare annotation was computed. [2022-11-22 00:25:25,834 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1583) no Hoare annotation was computed. [2022-11-22 00:25:25,834 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 00:25:25,834 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1631) no Hoare annotation was computed. [2022-11-22 00:25:25,835 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1606) no Hoare annotation was computed. [2022-11-22 00:25:25,835 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (= 5 ~globalFive~0) (not (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0))) [2022-11-22 00:25:25,835 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2022-11-22 00:25:25,835 INFO L899 garLoopResultBuilder]: For program point L1620(lines 1620 1627) no Hoare annotation was computed. [2022-11-22 00:25:25,835 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 1617 1636) no Hoare annotation was computed. [2022-11-22 00:25:25,836 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (= 5 ~globalFive~0)) [2022-11-22 00:25:25,836 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1648) no Hoare annotation was computed. [2022-11-22 00:25:25,840 INFO L899 garLoopResultBuilder]: For program point L1637(lines 1637 1653) no Hoare annotation was computed. [2022-11-22 00:25:25,840 INFO L899 garLoopResultBuilder]: For program point L1604(lines 1604 1613) no Hoare annotation was computed. [2022-11-22 00:25:25,843 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:25:25,846 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 00:25:25,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:25:25 BoogieIcfgContainer [2022-11-22 00:25:25,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 00:25:25,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:25:25,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:25:25,862 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:25:25,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:25:23" (3/4) ... [2022-11-22 00:25:25,867 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 00:25:25,872 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-22 00:25:25,873 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-22 00:25:25,880 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-22 00:25:25,880 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-22 00:25:25,881 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-22 00:25:25,881 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 00:25:25,881 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 00:25:25,940 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c3ffea-fc6a-46f1-8483-fdfc7bd6f069/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 00:25:25,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:25:25,942 INFO L158 Benchmark]: Toolchain (without parser) took 4668.81ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 102.8MB in the beginning and 133.6MB in the end (delta: -30.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2022-11-22 00:25:25,942 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 111.1MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:25:25,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1384.52ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 102.4MB in the beginning and 142.5MB in the end (delta: -40.1MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. [2022-11-22 00:25:25,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.32ms. Allocated memory is still 182.5MB. Free memory was 142.5MB in the beginning and 139.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:25:25,944 INFO L158 Benchmark]: Boogie Preprocessor took 41.28ms. Allocated memory is still 182.5MB. Free memory was 139.4MB in the beginning and 138.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:25:25,944 INFO L158 Benchmark]: RCFGBuilder took 749.55ms. Allocated memory is still 182.5MB. Free memory was 138.3MB in the beginning and 118.4MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-22 00:25:25,944 INFO L158 Benchmark]: TraceAbstraction took 2328.77ms. Allocated memory is still 182.5MB. Free memory was 118.4MB in the beginning and 137.8MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:25:25,945 INFO L158 Benchmark]: Witness Printer took 79.22ms. Allocated memory is still 182.5MB. Free memory was 137.8MB in the beginning and 133.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 00:25:25,947 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 111.1MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1384.52ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 102.4MB in the beginning and 142.5MB in the end (delta: -40.1MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.32ms. Allocated memory is still 182.5MB. Free memory was 142.5MB in the beginning and 139.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.28ms. Allocated memory is still 182.5MB. Free memory was 139.4MB in the beginning and 138.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 749.55ms. Allocated memory is still 182.5MB. Free memory was 138.3MB in the beginning and 118.4MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2328.77ms. Allocated memory is still 182.5MB. Free memory was 118.4MB in the beginning and 137.8MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 79.22ms. Allocated memory is still 182.5MB. Free memory was 137.8MB in the beginning and 133.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: 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, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 187 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 173 mSDsluCounter, 643 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 254 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 130 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 389 mSDtfsCounter, 130 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=53occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 40 PreInvPairs, 49 NumberOfFragments, 94 HoareAnnotationTreeSize, 40 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 193 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 184 ConstructedInterpolants, 0 QuantifiedInterpolants, 354 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 28/28 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: 1666]: Loop Invariant Derived loop invariant: 5 == globalFive RESULT: Ultimate proved your program to be correct! [2022-11-22 00:25:25,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c3ffea-fc6a-46f1-8483-fdfc7bd6f069/bin/utaipan-g80aRyZoba/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