./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9d228c73e9bb280a145779c6620e7e3557451cb163a0ff20f80c38a6902c4393 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 04:59:46,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:59:46,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:59:46,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:59:46,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:59:46,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:59:46,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:59:46,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:59:46,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:59:46,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:59:46,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:59:46,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:59:46,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:59:46,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:59:46,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:59:46,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:59:46,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:59:46,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:59:46,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:59:46,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:59:46,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:59:46,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:59:46,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:59:46,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:59:46,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:59:46,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:59:46,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:59:46,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:59:46,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:59:46,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:59:46,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:59:46,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:59:46,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:59:46,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:59:46,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:59:46,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:59:46,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:59:46,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:59:46,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:59:46,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:59:46,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:59:46,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 04:59:46,494 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:59:46,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:59:46,495 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:59:46,495 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:59:46,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:59:46,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:59:46,496 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:59:46,496 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:59:46,496 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:59:46,496 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:59:46,497 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:59:46,497 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:59:46,497 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:59:46,497 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:59:46,497 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:59:46,497 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:59:46,498 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:59:46,498 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:59:46,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:59:46,499 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 04:59:46,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:59:46,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:59:46,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:59:46,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:59:46,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:59:46,499 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 04:59:46,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:59:46,500 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:59:46,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:59:46,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:59:46,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:59:46,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:59:46,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:59:46,501 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:59:46,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:59:46,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:59:46,501 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:59:46,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:59:46,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:59:46,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:59:46,502 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_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d228c73e9bb280a145779c6620e7e3557451cb163a0ff20f80c38a6902c4393 [2022-12-14 04:59:46,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:59:46,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:59:46,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:59:46,719 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:59:46,719 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:59:46,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_17_good.i [2022-12-14 04:59:49,259 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:59:49,545 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:59:49,546 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_17_good.i [2022-12-14 04:59:49,568 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/data/ec20dc7e7/86c014c4fb21447ca212ea9102714ccc/FLAG23af53e55 [2022-12-14 04:59:49,838 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/data/ec20dc7e7/86c014c4fb21447ca212ea9102714ccc [2022-12-14 04:59:49,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:59:49,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:59:49,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:59:49,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:59:49,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:59:49,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:59:49" (1/1) ... [2022-12-14 04:59:49,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7436f554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:49, skipping insertion in model container [2022-12-14 04:59:49,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:59:49" (1/1) ... [2022-12-14 04:59:49,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:59:49,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:59:50,151 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 04:59:50,461 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 04:59:50,466 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:59:50,468 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:59:50,470 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:59:50,471 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:59:50,500 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 04:59:50,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:59:50,510 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:59:50,526 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 04:59:50,563 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 04:59:50,565 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:59:50,566 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:59:50,568 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:59:50,569 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:59:50,575 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 04:59:50,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:59:50,698 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:59:50,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:50 WrapperNode [2022-12-14 04:59:50,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:59:50,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:59:50,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:59:50,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:59:50,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:50" (1/1) ... [2022-12-14 04:59:50,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:50" (1/1) ... [2022-12-14 04:59:50,745 INFO L138 Inliner]: procedures = 501, calls = 66, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 104 [2022-12-14 04:59:50,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:59:50,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:59:50,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:59:50,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:59:50,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:50" (1/1) ... [2022-12-14 04:59:50,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:50" (1/1) ... [2022-12-14 04:59:50,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:50" (1/1) ... [2022-12-14 04:59:50,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:50" (1/1) ... [2022-12-14 04:59:50,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:50" (1/1) ... [2022-12-14 04:59:50,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:50" (1/1) ... [2022-12-14 04:59:50,768 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:50" (1/1) ... [2022-12-14 04:59:50,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:50" (1/1) ... [2022-12-14 04:59:50,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:59:50,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:59:50,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:59:50,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:59:50,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:50" (1/1) ... [2022-12-14 04:59:50,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:59:50,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:59:50,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:59:50,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:59:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 04:59:50,831 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 04:59:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 04:59:50,831 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 04:59:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 04:59:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 04:59:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:59:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:59:50,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:59:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 04:59:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 04:59:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 04:59:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 04:59:50,936 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:59:50,938 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:59:51,100 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:59:51,128 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:59:51,128 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 04:59:51,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:59:51 BoogieIcfgContainer [2022-12-14 04:59:51,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:59:51,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:59:51,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:59:51,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:59:51,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:59:49" (1/3) ... [2022-12-14 04:59:51,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360099ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:59:51, skipping insertion in model container [2022-12-14 04:59:51,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:59:50" (2/3) ... [2022-12-14 04:59:51,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360099ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:59:51, skipping insertion in model container [2022-12-14 04:59:51,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:59:51" (3/3) ... [2022-12-14 04:59:51,145 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_17_good.i [2022-12-14 04:59:51,160 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:59:51,160 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-12-14 04:59:51,196 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:59:51,202 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;@1eedef9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:59:51,202 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-12-14 04:59:51,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 26 states have (on average 1.7307692307692308) internal successors, (45), 41 states have internal predecessors, (45), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 04:59:51,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 04:59:51,211 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:59:51,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:59:51,212 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:59:51,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:59:51,216 INFO L85 PathProgramCache]: Analyzing trace with hash -971692670, now seen corresponding path program 1 times [2022-12-14 04:59:51,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:59:51,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073928780] [2022-12-14 04:59:51,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:51,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:59:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:51,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:59:51,450 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:59:51,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073928780] [2022-12-14 04:59:51,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073928780] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:59:51,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:59:51,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:59:51,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148993183] [2022-12-14 04:59:51,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:59:51,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:59:51,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:59:51,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:59:51,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:59:51,481 INFO L87 Difference]: Start difference. First operand has 46 states, 26 states have (on average 1.7307692307692308) internal successors, (45), 41 states have internal predecessors, (45), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-12-14 04:59:51,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:59:51,552 INFO L93 Difference]: Finished difference Result 89 states and 106 transitions. [2022-12-14 04:59:51,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:59:51,554 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 7 [2022-12-14 04:59:51,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:59:51,560 INFO L225 Difference]: With dead ends: 89 [2022-12-14 04:59:51,561 INFO L226 Difference]: Without dead ends: 46 [2022-12-14 04:59:51,563 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 [2022-12-14 04:59:51,565 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 3 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:59:51,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 126 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:59:51,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-12-14 04:59:51,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-12-14 04:59:51,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.6428571428571428) internal successors, (46), 42 states have internal predecessors, (46), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 04:59:51,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2022-12-14 04:59:51,596 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 7 [2022-12-14 04:59:51,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:59:51,597 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2022-12-14 04:59:51,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-12-14 04:59:51,597 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-12-14 04:59:51,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 04:59:51,598 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:59:51,598 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:59:51,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 04:59:51,599 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:59:51,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:59:51,600 INFO L85 PathProgramCache]: Analyzing trace with hash 383304010, now seen corresponding path program 1 times [2022-12-14 04:59:51,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:59:51,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045777673] [2022-12-14 04:59:51,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:51,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:59:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:51,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:59:51,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:59:51,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045777673] [2022-12-14 04:59:51,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045777673] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:59:51,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440049431] [2022-12-14 04:59:51,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:51,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:59:51,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:59:51,731 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:59:51,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 04:59:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:51,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:59:51,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:59:51,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:59:51,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:59:51,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440049431] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:59:51,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 04:59:51,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-14 04:59:51,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431013603] [2022-12-14 04:59:51,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:59:51,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:59:51,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:59:51,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:59:51,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:59:51,861 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:59:51,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:59:51,903 INFO L93 Difference]: Finished difference Result 82 states and 97 transitions. [2022-12-14 04:59:51,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:59:51,903 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-12-14 04:59:51,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:59:51,904 INFO L225 Difference]: With dead ends: 82 [2022-12-14 04:59:51,905 INFO L226 Difference]: Without dead ends: 42 [2022-12-14 04:59:51,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:59:51,907 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 70 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:59:51,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 82 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:59:51,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-12-14 04:59:51,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-12-14 04:59:51,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 38 states have internal predecessors, (41), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 04:59:51,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2022-12-14 04:59:51,912 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 10 [2022-12-14 04:59:51,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:59:51,912 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2022-12-14 04:59:51,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:59:51,913 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2022-12-14 04:59:51,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 04:59:51,913 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:59:51,913 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:59:51,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 04:59:52,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:59:52,114 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:59:52,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:59:52,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1011529799, now seen corresponding path program 1 times [2022-12-14 04:59:52,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:59:52,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106341742] [2022-12-14 04:59:52,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:52,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:59:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:52,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 04:59:52,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:59:52,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106341742] [2022-12-14 04:59:52,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106341742] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:59:52,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:59:52,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:59:52,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413801544] [2022-12-14 04:59:52,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:59:52,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:59:52,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:59:52,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:59:52,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:59:52,251 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) 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) [2022-12-14 04:59:52,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:59:52,288 INFO L93 Difference]: Finished difference Result 75 states and 89 transitions. [2022-12-14 04:59:52,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:59:52,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) 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 [2022-12-14 04:59:52,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:59:52,290 INFO L225 Difference]: With dead ends: 75 [2022-12-14 04:59:52,290 INFO L226 Difference]: Without dead ends: 56 [2022-12-14 04:59:52,291 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 [2022-12-14 04:59:52,292 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 13 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:59:52,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 78 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:59:52,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-12-14 04:59:52,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 43. [2022-12-14 04:59:52,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 39 states have internal predecessors, (42), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 04:59:52,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2022-12-14 04:59:52,299 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 12 [2022-12-14 04:59:52,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:59:52,300 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2022-12-14 04:59:52,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) 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) [2022-12-14 04:59:52,300 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-12-14 04:59:52,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 04:59:52,300 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:59:52,300 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:59:52,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 04:59:52,301 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:59:52,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:59:52,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1295768850, now seen corresponding path program 1 times [2022-12-14 04:59:52,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:59:52,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651405777] [2022-12-14 04:59:52,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:52,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:59:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:52,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 04:59:52,356 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:59:52,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651405777] [2022-12-14 04:59:52,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651405777] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:59:52,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:59:52,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:59:52,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595439840] [2022-12-14 04:59:52,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:59:52,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:59:52,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:59:52,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:59:52,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:59:52,358 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:59:52,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:59:52,396 INFO L93 Difference]: Finished difference Result 56 states and 67 transitions. [2022-12-14 04:59:52,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:59:52,397 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-12-14 04:59:52,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:59:52,397 INFO L225 Difference]: With dead ends: 56 [2022-12-14 04:59:52,397 INFO L226 Difference]: Without dead ends: 54 [2022-12-14 04:59:52,397 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 [2022-12-14 04:59:52,398 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 10 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:59:52,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 112 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:59:52,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-12-14 04:59:52,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2022-12-14 04:59:52,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 48 states have internal predecessors, (53), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 04:59:52,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 65 transitions. [2022-12-14 04:59:52,403 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 65 transitions. Word has length 13 [2022-12-14 04:59:52,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:59:52,404 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 65 transitions. [2022-12-14 04:59:52,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:59:52,404 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2022-12-14 04:59:52,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 04:59:52,404 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:59:52,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:59:52,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 04:59:52,404 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:59:52,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:59:52,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1295782720, now seen corresponding path program 1 times [2022-12-14 04:59:52,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:59:52,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122289506] [2022-12-14 04:59:52,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:52,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:59:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 04:59:52,477 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:59:52,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122289506] [2022-12-14 04:59:52,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122289506] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:59:52,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:59:52,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:59:52,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344186738] [2022-12-14 04:59:52,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:59:52,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:59:52,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:59:52,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:59:52,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:59:52,479 INFO L87 Difference]: Start difference. First operand 52 states and 65 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:59:52,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:59:52,520 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2022-12-14 04:59:52,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:59:52,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-12-14 04:59:52,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:59:52,522 INFO L225 Difference]: With dead ends: 52 [2022-12-14 04:59:52,522 INFO L226 Difference]: Without dead ends: 51 [2022-12-14 04:59:52,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:59:52,523 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 2 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:59:52,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 127 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:59:52,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-12-14 04:59:52,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-12-14 04:59:52,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 34 states have (on average 1.5) internal successors, (51), 47 states have internal predecessors, (51), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 04:59:52,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2022-12-14 04:59:52,530 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 13 [2022-12-14 04:59:52,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:59:52,530 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2022-12-14 04:59:52,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:59:52,530 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-12-14 04:59:52,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 04:59:52,531 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:59:52,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:59:52,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 04:59:52,531 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:59:52,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:59:52,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1514558576, now seen corresponding path program 1 times [2022-12-14 04:59:52,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:59:52,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070006841] [2022-12-14 04:59:52,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:52,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:59:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:52,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 04:59:52,584 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:59:52,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070006841] [2022-12-14 04:59:52,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070006841] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:59:52,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:59:52,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:59:52,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26874510] [2022-12-14 04:59:52,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:59:52,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:59:52,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:59:52,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:59:52,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:59:52,586 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-12-14 04:59:52,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:59:52,655 INFO L93 Difference]: Finished difference Result 94 states and 115 transitions. [2022-12-14 04:59:52,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 04:59:52,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 14 [2022-12-14 04:59:52,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:59:52,656 INFO L225 Difference]: With dead ends: 94 [2022-12-14 04:59:52,656 INFO L226 Difference]: Without dead ends: 60 [2022-12-14 04:59:52,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:59:52,657 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 10 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:59:52,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 137 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:59:52,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-12-14 04:59:52,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2022-12-14 04:59:52,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 52 states have internal predecessors, (60), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 04:59:52,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2022-12-14 04:59:52,663 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 14 [2022-12-14 04:59:52,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:59:52,664 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2022-12-14 04:59:52,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-12-14 04:59:52,664 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2022-12-14 04:59:52,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 04:59:52,664 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:59:52,664 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:59:52,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 04:59:52,665 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:59:52,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:59:52,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1658200891, now seen corresponding path program 1 times [2022-12-14 04:59:52,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:59:52,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311061319] [2022-12-14 04:59:52,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:52,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:59:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:52,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 04:59:52,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:59:52,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311061319] [2022-12-14 04:59:52,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311061319] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:59:52,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:59:52,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:59:52,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303979988] [2022-12-14 04:59:52,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:59:52,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:59:52,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:59:52,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:59:52,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:59:52,705 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-12-14 04:59:52,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:59:52,735 INFO L93 Difference]: Finished difference Result 77 states and 93 transitions. [2022-12-14 04:59:52,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:59:52,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 17 [2022-12-14 04:59:52,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:59:52,736 INFO L225 Difference]: With dead ends: 77 [2022-12-14 04:59:52,736 INFO L226 Difference]: Without dead ends: 61 [2022-12-14 04:59:52,737 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 [2022-12-14 04:59:52,737 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 3 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:59:52,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 110 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:59:52,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-12-14 04:59:52,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-12-14 04:59:52,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 45 states have (on average 1.4) internal successors, (63), 55 states have internal predecessors, (63), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 04:59:52,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2022-12-14 04:59:52,742 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 75 transitions. Word has length 17 [2022-12-14 04:59:52,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:59:52,742 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 75 transitions. [2022-12-14 04:59:52,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-12-14 04:59:52,743 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2022-12-14 04:59:52,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 04:59:52,743 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:59:52,743 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:59:52,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 04:59:52,743 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:59:52,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:59:52,744 INFO L85 PathProgramCache]: Analyzing trace with hash 132263778, now seen corresponding path program 1 times [2022-12-14 04:59:52,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:59:52,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135646024] [2022-12-14 04:59:52,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:52,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:59:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:52,788 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 04:59:52,788 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:59:52,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135646024] [2022-12-14 04:59:52,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135646024] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:59:52,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928063836] [2022-12-14 04:59:52,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:52,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:59:52,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:59:52,790 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:59:52,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 04:59:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:52,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:59:52,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:59:52,873 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 04:59:52,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:59:52,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928063836] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:59:52,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 04:59:52,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-14 04:59:52,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865620767] [2022-12-14 04:59:52,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:59:52,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:59:52,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:59:52,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:59:52,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:59:52,875 INFO L87 Difference]: Start difference. First operand 61 states and 75 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:59:52,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:59:52,908 INFO L93 Difference]: Finished difference Result 87 states and 104 transitions. [2022-12-14 04:59:52,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:59:52,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-12-14 04:59:52,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:59:52,909 INFO L225 Difference]: With dead ends: 87 [2022-12-14 04:59:52,909 INFO L226 Difference]: Without dead ends: 46 [2022-12-14 04:59:52,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:59:52,910 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 45 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:59:52,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 78 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:59:52,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-12-14 04:59:52,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2022-12-14 04:59:52,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 38 states have internal predecessors, (40), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 04:59:52,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2022-12-14 04:59:52,914 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 18 [2022-12-14 04:59:52,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:59:52,914 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2022-12-14 04:59:52,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:59:52,914 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2022-12-14 04:59:52,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 04:59:52,915 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:59:52,915 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:59:52,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 04:59:53,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:59:53,116 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:59:53,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:59:53,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1251208692, now seen corresponding path program 1 times [2022-12-14 04:59:53,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:59:53,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91235771] [2022-12-14 04:59:53,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:53,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:59:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 04:59:53,172 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:59:53,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91235771] [2022-12-14 04:59:53,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91235771] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:59:53,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427400245] [2022-12-14 04:59:53,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:53,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:59:53,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:59:53,173 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:59:53,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 04:59:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:53,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:59:53,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:59:53,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 04:59:53,277 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:59:53,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427400245] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:59:53,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 04:59:53,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-14 04:59:53,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219711771] [2022-12-14 04:59:53,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:59:53,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:59:53,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:59:53,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:59:53,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:59:53,279 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-12-14 04:59:53,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:59:53,305 INFO L93 Difference]: Finished difference Result 57 states and 65 transitions. [2022-12-14 04:59:53,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:59:53,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 20 [2022-12-14 04:59:53,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:59:53,306 INFO L225 Difference]: With dead ends: 57 [2022-12-14 04:59:53,306 INFO L226 Difference]: Without dead ends: 38 [2022-12-14 04:59:53,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:59:53,307 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 15 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:59:53,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 106 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:59:53,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-12-14 04:59:53,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-12-14 04:59:53,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.25) internal successors, (35), 34 states have internal predecessors, (35), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 04:59:53,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2022-12-14 04:59:53,310 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 20 [2022-12-14 04:59:53,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:59:53,310 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2022-12-14 04:59:53,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-12-14 04:59:53,311 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2022-12-14 04:59:53,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 04:59:53,311 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:59:53,311 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:59:53,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 04:59:53,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:59:53,512 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:59:53,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:59:53,512 INFO L85 PathProgramCache]: Analyzing trace with hash -178974406, now seen corresponding path program 1 times [2022-12-14 04:59:53,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:59:53,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357389070] [2022-12-14 04:59:53,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:53,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:59:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:53,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 04:59:53,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:59:53,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357389070] [2022-12-14 04:59:53,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357389070] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:59:53,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:59:53,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:59:53,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667879258] [2022-12-14 04:59:53,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:59:53,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:59:53,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:59:53,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:59:53,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:59:53,541 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:59:53,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:59:53,558 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2022-12-14 04:59:53,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:59:53,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-12-14 04:59:53,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:59:53,560 INFO L225 Difference]: With dead ends: 38 [2022-12-14 04:59:53,560 INFO L226 Difference]: Without dead ends: 37 [2022-12-14 04:59:53,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:59:53,561 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 9 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:59:53,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 49 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:59:53,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-12-14 04:59:53,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-12-14 04:59:53,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 33 states have internal predecessors, (34), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 04:59:53,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2022-12-14 04:59:53,564 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 22 [2022-12-14 04:59:53,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:59:53,564 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2022-12-14 04:59:53,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:59:53,565 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2022-12-14 04:59:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 04:59:53,565 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:59:53,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:59:53,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 04:59:53,565 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:59:53,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:59:53,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1253239158, now seen corresponding path program 1 times [2022-12-14 04:59:53,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:59:53,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216603093] [2022-12-14 04:59:53,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:53,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:59:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:53,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 04:59:53,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:59:53,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216603093] [2022-12-14 04:59:53,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216603093] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:59:53,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:59:53,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:59:53,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922130145] [2022-12-14 04:59:53,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:59:53,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:59:53,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:59:53,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:59:53,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:59:53,593 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-12-14 04:59:53,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:59:53,609 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2022-12-14 04:59:53,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:59:53,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 23 [2022-12-14 04:59:53,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:59:53,610 INFO L225 Difference]: With dead ends: 49 [2022-12-14 04:59:53,611 INFO L226 Difference]: Without dead ends: 36 [2022-12-14 04:59:53,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:59:53,611 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 6 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:59:53,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 49 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:59:53,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-12-14 04:59:53,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-12-14 04:59:53,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 31 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 04:59:53,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2022-12-14 04:59:53,615 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 23 [2022-12-14 04:59:53,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:59:53,615 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2022-12-14 04:59:53,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-12-14 04:59:53,616 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-12-14 04:59:53,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 04:59:53,616 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:59:53,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:59:53,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 04:59:53,616 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:59:53,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:59:53,617 INFO L85 PathProgramCache]: Analyzing trace with hash 301632276, now seen corresponding path program 1 times [2022-12-14 04:59:53,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:59:53,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430434354] [2022-12-14 04:59:53,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:53,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:59:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:53,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 04:59:53,655 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:59:53,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430434354] [2022-12-14 04:59:53,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430434354] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:59:53,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:59:53,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:59:53,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321016441] [2022-12-14 04:59:53,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:59:53,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:59:53,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:59:53,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:59:53,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:59:53,657 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 04:59:53,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:59:53,685 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2022-12-14 04:59:53,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:59:53,685 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2022-12-14 04:59:53,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:59:53,686 INFO L225 Difference]: With dead ends: 46 [2022-12-14 04:59:53,686 INFO L226 Difference]: Without dead ends: 44 [2022-12-14 04:59:53,686 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 [2022-12-14 04:59:53,687 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 3 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:59:53,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 85 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:59:53,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-12-14 04:59:53,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-12-14 04:59:53,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 38 states have internal predecessors, (39), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 04:59:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2022-12-14 04:59:53,694 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 28 [2022-12-14 04:59:53,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:59:53,694 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2022-12-14 04:59:53,694 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 04:59:53,694 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2022-12-14 04:59:53,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 04:59:53,695 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:59:53,695 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:59:53,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 04:59:53,696 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:59:53,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:59:53,696 INFO L85 PathProgramCache]: Analyzing trace with hash -636381312, now seen corresponding path program 1 times [2022-12-14 04:59:53,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:59:53,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875115469] [2022-12-14 04:59:53,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:53,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:59:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 04:59:53,760 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:59:53,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875115469] [2022-12-14 04:59:53,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875115469] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:59:53,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674075136] [2022-12-14 04:59:53,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:53,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:59:53,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:59:53,761 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:59:53,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 04:59:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:53,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:59:53,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:59:53,861 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 04:59:53,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:59:53,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674075136] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:59:53,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 04:59:53,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-14 04:59:53,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653511797] [2022-12-14 04:59:53,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:59:53,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:59:53,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:59:53,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:59:53,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:59:53,863 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 04:59:53,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:59:53,891 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2022-12-14 04:59:53,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:59:53,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 38 [2022-12-14 04:59:53,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:59:53,892 INFO L225 Difference]: With dead ends: 47 [2022-12-14 04:59:53,892 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 04:59:53,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:59:53,893 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 2 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:59:53,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 99 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:59:53,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 04:59:53,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 04:59:53,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 04:59:53,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 04:59:53,894 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-12-14 04:59:53,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:59:53,894 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 04:59:53,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 04:59:53,894 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 04:59:53,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 04:59:53,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-12-14 04:59:53,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-12-14 04:59:53,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-12-14 04:59:53,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-12-14 04:59:53,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-12-14 04:59:53,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-12-14 04:59:53,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-12-14 04:59:53,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-12-14 04:59:53,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-12-14 04:59:53,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-12-14 04:59:53,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-12-14 04:59:53,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-12-14 04:59:53,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 04:59:54,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-14 04:59:54,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 04:59:54,201 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-14 04:59:54,201 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-14 04:59:54,201 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-14 04:59:54,201 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-14 04:59:54,202 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2022-12-14 04:59:54,202 INFO L899 garLoopResultBuilder]: For program point L1563(line 1563) no Hoare annotation was computed. [2022-12-14 04:59:54,202 INFO L899 garLoopResultBuilder]: For program point L1563-1(line 1563) no Hoare annotation was computed. [2022-12-14 04:59:54,202 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1578) no Hoare annotation was computed. [2022-12-14 04:59:54,202 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-12-14 04:59:54,202 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (<= (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 1) 0)) [2022-12-14 04:59:54,202 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-12-14 04:59:54,203 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-12-14 04:59:54,203 INFO L899 garLoopResultBuilder]: For program point L1557-2(lines 1557 1571) no Hoare annotation was computed. [2022-12-14 04:59:54,203 INFO L899 garLoopResultBuilder]: For program point L1557-3(line 1557) no Hoare annotation was computed. [2022-12-14 04:59:54,203 INFO L899 garLoopResultBuilder]: For program point L1557-4(line 1557) no Hoare annotation was computed. [2022-12-14 04:59:54,203 INFO L895 garLoopResultBuilder]: At program point L1557-5(lines 1557 1571) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|))) (or (and .cse0 (= |ULTIMATE.start_goodB2G_~k~0#1| 0)) (and .cse0 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|)))) [2022-12-14 04:59:54,203 INFO L899 garLoopResultBuilder]: For program point L1582-2(lines 1582 1589) no Hoare annotation was computed. [2022-12-14 04:59:54,203 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-12-14 04:59:54,203 INFO L899 garLoopResultBuilder]: For program point L1582-3(line 1582) no Hoare annotation was computed. [2022-12-14 04:59:54,203 INFO L899 garLoopResultBuilder]: For program point L1582-4(line 1582) no Hoare annotation was computed. [2022-12-14 04:59:54,203 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 04:59:54,204 INFO L895 garLoopResultBuilder]: At program point L1582-5(lines 1582 1589) the Hoare annotation is: (let ((.cse5 (+ |ULTIMATE.start_goodG2B_~data~1#1| 2))) (let ((.cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse1 (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|)) (.cse2 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|)) (.cse3 (<= .cse5 0)) (.cse4 (<= 0 .cse5))) (or (and .cse0 (= |ULTIMATE.start_goodG2B_~j~0#1| 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 |ULTIMATE.start_goodG2B_~j~0#1|) .cse1 .cse2 .cse3 .cse4)))) [2022-12-14 04:59:54,204 INFO L902 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: true [2022-12-14 04:59:54,204 INFO L899 garLoopResultBuilder]: For program point L1599-1(line 1599) no Hoare annotation was computed. [2022-12-14 04:59:54,204 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2022-12-14 04:59:54,204 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1570) no Hoare annotation was computed. [2022-12-14 04:59:54,204 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1588) no Hoare annotation was computed. [2022-12-14 04:59:54,204 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2022-12-14 04:59:54,204 INFO L902 garLoopResultBuilder]: At program point L1601(line 1601) the Hoare annotation is: true [2022-12-14 04:59:54,204 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (<= (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 1) 0)) [2022-12-14 04:59:54,204 INFO L902 garLoopResultBuilder]: At program point L1601-1(line 1601) the Hoare annotation is: true [2022-12-14 04:59:54,205 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-12-14 04:59:54,205 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 04:59:54,205 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-12-14 04:59:54,205 INFO L899 garLoopResultBuilder]: For program point L1561(lines 1561 1569) no Hoare annotation was computed. [2022-12-14 04:59:54,205 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2022-12-14 04:59:54,205 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2022-12-14 04:59:54,205 INFO L899 garLoopResultBuilder]: For program point L1553-3(line 1553) no Hoare annotation was computed. [2022-12-14 04:59:54,205 INFO L899 garLoopResultBuilder]: For program point L1553-4(line 1553) no Hoare annotation was computed. [2022-12-14 04:59:54,205 INFO L895 garLoopResultBuilder]: At program point L1553-5(lines 1553 1556) the Hoare annotation is: (or (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~i~1#1| 0)) [2022-12-14 04:59:54,205 INFO L899 garLoopResultBuilder]: For program point L1578-3(line 1578) no Hoare annotation was computed. [2022-12-14 04:59:54,205 INFO L899 garLoopResultBuilder]: For program point L1578-4(line 1578) no Hoare annotation was computed. [2022-12-14 04:59:54,206 INFO L895 garLoopResultBuilder]: At program point L1578-5(lines 1578 1581) the Hoare annotation is: (let ((.cse2 (+ |ULTIMATE.start_goodG2B_~data~1#1| 2))) (let ((.cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse1 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|)) (.cse3 (<= 0 .cse2))) (or (and .cse0 (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|) .cse1 (<= .cse2 0) .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_goodG2B_~h~0#1| 0) .cse3)))) [2022-12-14 04:59:54,206 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2022-12-14 04:59:54,206 INFO L895 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~1#1| 2))) (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodG2B_~j~0#1| 0) (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|) (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) (<= .cse0 0) (<= 0 .cse0))) [2022-12-14 04:59:54,206 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1578) no Hoare annotation was computed. [2022-12-14 04:59:54,209 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:59:54,210 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 04:59:54,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 04:59:54 BoogieIcfgContainer [2022-12-14 04:59:54,221 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 04:59:54,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 04:59:54,221 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 04:59:54,221 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 04:59:54,222 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:59:51" (3/4) ... [2022-12-14 04:59:54,224 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 04:59:54,227 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 04:59:54,227 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 04:59:54,230 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-14 04:59:54,231 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-14 04:59:54,231 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 04:59:54,231 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 04:59:54,256 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 04:59:54,256 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 04:59:54,256 INFO L158 Benchmark]: Toolchain (without parser) took 4415.85ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 96.0MB in the beginning and 89.0MB in the end (delta: 7.0MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2022-12-14 04:59:54,256 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 130.0MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:59:54,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 857.35ms. Allocated memory is still 130.0MB. Free memory was 95.8MB in the beginning and 76.5MB in the end (delta: 19.3MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2022-12-14 04:59:54,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.89ms. Allocated memory is still 130.0MB. Free memory was 76.5MB in the beginning and 73.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 04:59:54,257 INFO L158 Benchmark]: Boogie Preprocessor took 26.27ms. Allocated memory is still 130.0MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 04:59:54,257 INFO L158 Benchmark]: RCFGBuilder took 357.44ms. Allocated memory is still 130.0MB. Free memory was 71.7MB in the beginning and 54.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 04:59:54,257 INFO L158 Benchmark]: TraceAbstraction took 3089.26ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 53.8MB in the beginning and 93.2MB in the end (delta: -39.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:59:54,258 INFO L158 Benchmark]: Witness Printer took 34.79ms. Allocated memory is still 157.3MB. Free memory was 93.2MB in the beginning and 89.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 04:59:54,258 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 130.0MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 857.35ms. Allocated memory is still 130.0MB. Free memory was 95.8MB in the beginning and 76.5MB in the end (delta: 19.3MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.89ms. Allocated memory is still 130.0MB. Free memory was 76.5MB in the beginning and 73.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.27ms. Allocated memory is still 130.0MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 357.44ms. Allocated memory is still 130.0MB. Free memory was 71.7MB in the beginning and 54.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3089.26ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 53.8MB in the beginning and 93.2MB in the end (delta: -39.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 34.79ms. Allocated memory is still 157.3MB. Free memory was 93.2MB in the beginning and 89.0MB 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 46 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 206 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 191 mSDsluCounter, 1238 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 788 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 454 IncrementalHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 450 mSDtfsCounter, 454 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=7, InterpolantAutomatonStates: 56, 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, 13 MinimizatonAttempts, 21 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 33 PreInvPairs, 46 NumberOfFragments, 165 HoareAnnotationTreeSize, 33 FomulaSimplifications, 38 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 304 ConstructedInterpolants, 0 QuantifiedInterpolants, 518 SizeOfPredicates, 4 NumberOfNonLiveVariables, 614 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 57/61 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 12 specifications checked. All of them hold - InvariantResult [Line: 1601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: (1 <= i && k == 0) || (1 <= i && 1 <= k) - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: ((((1 <= i && 1 <= h) && 1 <= k) && data + 2 <= 0) && 0 <= data + 2) || (((1 <= i && 1 <= k) && h == 0) && 0 <= data + 2) - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: 1 <= i || i == 0 - InvariantResult [Line: 1582]: Loop Invariant Derived loop invariant: (((((1 <= i && j == 0) && 1 <= h) && 1 <= k) && data + 2 <= 0) && 0 <= data + 2) || (((((1 <= i && 1 <= j) && 1 <= h) && 1 <= k) && data + 2 <= 0) && 0 <= data + 2) RESULT: Ultimate proved your program to be correct! [2022-12-14 04:59:54,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f26ad818-d6e0-4c68-a8f6-4ddc884dd37e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE