./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/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_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/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_a78cc113-4d09-483c-a04d-9b230ed7248b/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 25fb650f45ac4e358b667cb3fd05850de4873e7b24b78ed03fc2d320c85ee2f5 --- 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 09:41:31,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:41:31,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:41:31,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:41:31,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:41:31,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:41:31,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:41:31,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:41:31,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:41:31,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:41:31,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:41:31,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:41:31,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:41:31,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:41:31,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:41:31,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:41:31,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:41:31,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:41:31,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:41:31,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:41:31,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:41:31,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:41:31,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:41:31,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:41:31,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:41:31,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:41:31,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:41:31,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:41:31,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:41:31,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:41:31,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:41:31,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:41:31,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:41:31,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:41:31,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:41:31,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:41:31,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:41:31,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:41:31,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:41:31,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:41:31,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:41:31,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 09:41:31,662 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:41:31,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:41:31,662 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:41:31,662 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:41:31,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:41:31,663 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:41:31,663 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:41:31,664 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:41:31,664 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:41:31,664 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:41:31,664 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:41:31,664 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:41:31,664 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:41:31,664 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:41:31,665 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:41:31,665 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:41:31,665 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:41:31,665 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:41:31,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:41:31,666 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 09:41:31,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:41:31,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:41:31,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:41:31,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:41:31,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:41:31,667 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 09:41:31,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:41:31,667 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:41:31,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:41:31,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:41:31,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:41:31,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:41:31,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:41:31,668 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:41:31,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:41:31,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:41:31,668 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:41:31,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:41:31,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:41:31,669 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:41:31,669 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_a78cc113-4d09-483c-a04d-9b230ed7248b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25fb650f45ac4e358b667cb3fd05850de4873e7b24b78ed03fc2d320c85ee2f5 [2022-12-14 09:41:31,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:41:31,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:41:31,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:41:31,859 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:41:31,859 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:41:31,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_11_good.i [2022-12-14 09:41:34,485 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:41:34,677 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:41:34,678 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_11_good.i [2022-12-14 09:41:34,690 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/data/739d518c1/15ec8bab23464bb29943fff5561cd5e1/FLAGd5a41f74e [2022-12-14 09:41:34,701 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/data/739d518c1/15ec8bab23464bb29943fff5561cd5e1 [2022-12-14 09:41:34,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:41:34,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:41:34,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:41:34,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:41:34,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:41:34,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:41:34" (1/1) ... [2022-12-14 09:41:34,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38c63ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:34, skipping insertion in model container [2022-12-14 09:41:34,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:41:34" (1/1) ... [2022-12-14 09:41:34,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:41:34,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:41:34,976 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 09:41:35,252 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 09:41:35,257 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:41:35,258 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:41:35,260 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:41:35,261 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:41:35,288 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 09:41:35,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:41:35,296 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:41:35,310 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 09:41:35,339 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 09:41:35,340 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:41:35,341 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:41:35,342 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:41:35,343 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:41:35,350 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 09:41:35,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:41:35,455 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:41:35,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:35 WrapperNode [2022-12-14 09:41:35,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:41:35,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:41:35,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:41:35,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:41:35,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:35" (1/1) ... [2022-12-14 09:41:35,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:35" (1/1) ... [2022-12-14 09:41:35,502 INFO L138 Inliner]: procedures = 503, calls = 93, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 143 [2022-12-14 09:41:35,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:41:35,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:41:35,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:41:35,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:41:35,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:35" (1/1) ... [2022-12-14 09:41:35,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:35" (1/1) ... [2022-12-14 09:41:35,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:35" (1/1) ... [2022-12-14 09:41:35,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:35" (1/1) ... [2022-12-14 09:41:35,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:35" (1/1) ... [2022-12-14 09:41:35,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:35" (1/1) ... [2022-12-14 09:41:35,523 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:35" (1/1) ... [2022-12-14 09:41:35,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:35" (1/1) ... [2022-12-14 09:41:35,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:41:35,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:41:35,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:41:35,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:41:35,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:35" (1/1) ... [2022-12-14 09:41:35,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:41:35,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:41:35,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:41:35,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:41:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 09:41:35,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 09:41:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 09:41:35,579 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 09:41:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-12-14 09:41:35,579 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-12-14 09:41:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:41:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:41:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:41:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:41:35,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:41:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:41:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2022-12-14 09:41:35,580 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2022-12-14 09:41:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 09:41:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:41:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:41:35,691 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:41:35,694 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:41:35,858 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:41:35,908 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:41:35,908 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 09:41:35,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:41:35 BoogieIcfgContainer [2022-12-14 09:41:35,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:41:35,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:41:35,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:41:35,917 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:41:35,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:41:34" (1/3) ... [2022-12-14 09:41:35,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef3f05c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:41:35, skipping insertion in model container [2022-12-14 09:41:35,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:35" (2/3) ... [2022-12-14 09:41:35,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef3f05c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:41:35, skipping insertion in model container [2022-12-14 09:41:35,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:41:35" (3/3) ... [2022-12-14 09:41:35,920 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_postinc_11_good.i [2022-12-14 09:41:35,938 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:41:35,939 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-14 09:41:35,981 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:41:35,986 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;@739b8e39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:41:35,986 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-14 09:41:35,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 49 states have internal predecessors, (49), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-12-14 09:41:35,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 09:41:35,997 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:41:35,998 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:41:35,998 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 09:41:36,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:41:36,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1544097203, now seen corresponding path program 1 times [2022-12-14 09:41:36,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:41:36,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785083160] [2022-12-14 09:41:36,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:41:36,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:41:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:41:36,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:41:36,438 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:41:36,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785083160] [2022-12-14 09:41:36,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785083160] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:41:36,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:41:36,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 09:41:36,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381577885] [2022-12-14 09:41:36,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:41:36,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 09:41:36,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:41:36,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 09:41:36,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-14 09:41:36,469 INFO L87 Difference]: Start difference. First operand has 65 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 49 states have internal predecessors, (49), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 09:41:36,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:41:36,612 INFO L93 Difference]: Finished difference Result 65 states and 85 transitions. [2022-12-14 09:41:36,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:41:36,614 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2022-12-14 09:41:36,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:41:36,621 INFO L225 Difference]: With dead ends: 65 [2022-12-14 09:41:36,621 INFO L226 Difference]: Without dead ends: 59 [2022-12-14 09:41:36,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 09:41:36,626 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 7 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:41:36,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 307 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:41:36,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-12-14 09:41:36,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-12-14 09:41:36,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 32 states have (on average 1.375) internal successors, (44), 44 states have internal predecessors, (44), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 09:41:36,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 76 transitions. [2022-12-14 09:41:36,657 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 76 transitions. Word has length 16 [2022-12-14 09:41:36,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:41:36,659 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 76 transitions. [2022-12-14 09:41:36,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 09:41:36,659 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2022-12-14 09:41:36,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 09:41:36,660 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:41:36,660 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 09:41:36,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:41:36,660 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 09:41:36,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:41:36,661 INFO L85 PathProgramCache]: Analyzing trace with hash -622372968, now seen corresponding path program 1 times [2022-12-14 09:41:36,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:41:36,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224115140] [2022-12-14 09:41:36,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:41:36,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:41:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:41:36,726 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 09:41:36,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:41:36,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224115140] [2022-12-14 09:41:36,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224115140] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:41:36,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:41:36,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:41:36,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519159289] [2022-12-14 09:41:36,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:41:36,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:41:36,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:41:36,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:41:36,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:41:36,730 INFO L87 Difference]: Start difference. First operand 59 states and 76 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 09:41:36,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:41:36,785 INFO L93 Difference]: Finished difference Result 59 states and 76 transitions. [2022-12-14 09:41:36,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:41:36,786 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 17 [2022-12-14 09:41:36,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:41:36,787 INFO L225 Difference]: With dead ends: 59 [2022-12-14 09:41:36,787 INFO L226 Difference]: Without dead ends: 58 [2022-12-14 09:41:36,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:41:36,788 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:41:36,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:41:36,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-12-14 09:41:36,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-12-14 09:41:36,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 32 states have (on average 1.34375) internal successors, (43), 43 states have internal predecessors, (43), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 09:41:36,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 75 transitions. [2022-12-14 09:41:36,795 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 75 transitions. Word has length 17 [2022-12-14 09:41:36,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:41:36,796 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 75 transitions. [2022-12-14 09:41:36,796 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 09:41:36,796 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2022-12-14 09:41:36,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 09:41:36,797 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:41:36,797 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 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 09:41:36,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:41:36,798 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 09:41:36,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:41:36,798 INFO L85 PathProgramCache]: Analyzing trace with hash 935401072, now seen corresponding path program 1 times [2022-12-14 09:41:36,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:41:36,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494874879] [2022-12-14 09:41:36,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:41:36,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:41:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:41:36,854 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 09:41:36,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:41:36,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494874879] [2022-12-14 09:41:36,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494874879] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:41:36,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:41:36,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:41:36,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134030504] [2022-12-14 09:41:36,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:41:36,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:41:36,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:41:36,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:41:36,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:41:36,857 INFO L87 Difference]: Start difference. First operand 58 states and 75 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 09:41:36,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:41:36,893 INFO L93 Difference]: Finished difference Result 102 states and 128 transitions. [2022-12-14 09:41:36,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:41:36,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 29 [2022-12-14 09:41:36,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:41:36,894 INFO L225 Difference]: With dead ends: 102 [2022-12-14 09:41:36,894 INFO L226 Difference]: Without dead ends: 57 [2022-12-14 09:41:36,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:41:36,896 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:41:36,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:41:36,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-14 09:41:36,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-12-14 09:41:36,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 32 states have (on average 1.3125) internal successors, (42), 42 states have internal predecessors, (42), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-14 09:41:36,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2022-12-14 09:41:36,902 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 29 [2022-12-14 09:41:36,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:41:36,902 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2022-12-14 09:41:36,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 09:41:36,903 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2022-12-14 09:41:36,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 09:41:36,904 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:41:36,904 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 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 09:41:36,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 09:41:36,904 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 09:41:36,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:41:36,905 INFO L85 PathProgramCache]: Analyzing trace with hash -317658877, now seen corresponding path program 1 times [2022-12-14 09:41:36,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:41:36,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979938593] [2022-12-14 09:41:36,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:41:36,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:41:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:41:37,049 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 09:41:37,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:41:37,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979938593] [2022-12-14 09:41:37,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979938593] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:41:37,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230960050] [2022-12-14 09:41:37,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:41:37,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:41:37,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:41:37,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:41:37,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 09:41:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:41:37,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 09:41:37,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:41:37,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:41:37,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-12-14 09:41:37,282 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 09:41:37,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:41:37,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:41:37,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2022-12-14 09:41:37,417 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 09:41:37,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230960050] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:41:37,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [886422731] [2022-12-14 09:41:37,436 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2022-12-14 09:41:37,437 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:41:37,440 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:41:37,446 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:41:37,446 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:41:37,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:37,684 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-12-14 09:41:37,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 86 [2022-12-14 09:41:37,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:37,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:37,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 09:41:37,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:37,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:37,817 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-12-14 09:41:37,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-12-14 09:41:37,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:37,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-12-14 09:41:37,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:37,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:38,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:38,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:38,423 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-12-14 09:41:38,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-12-14 09:41:38,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:38,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:38,470 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 09:41:38,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2022-12-14 09:41:38,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:38,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:38,501 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 09:41:38,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-12-14 09:41:38,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:38,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:38,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:41:38,889 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-12-14 09:41:38,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 453 treesize of output 451 [2022-12-14 09:41:39,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:39,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:40,622 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsTrue with input of size 124 for LOIs [2022-12-14 09:41:40,663 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsFalse with input of size 103 for LOIs [2022-12-14 09:41:40,681 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 141 for LOIs [2022-12-14 09:41:40,754 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:41:45,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [886422731] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:41:45,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:41:45,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [5, 6, 5] total 30 [2022-12-14 09:41:45,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906593314] [2022-12-14 09:41:45,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:41:45,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-12-14 09:41:45,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:41:45,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-12-14 09:41:45,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=772, Unknown=0, NotChecked=0, Total=930 [2022-12-14 09:41:45,894 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 09:41:47,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:41:47,977 INFO L93 Difference]: Finished difference Result 136 states and 161 transitions. [2022-12-14 09:41:47,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-14 09:41:47,978 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 30 [2022-12-14 09:41:47,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:41:47,979 INFO L225 Difference]: With dead ends: 136 [2022-12-14 09:41:47,979 INFO L226 Difference]: Without dead ends: 103 [2022-12-14 09:41:47,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 60 SyntacticMatches, 4 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=180, Invalid=942, Unknown=0, NotChecked=0, Total=1122 [2022-12-14 09:41:47,980 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 77 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:41:47,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 337 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 09:41:47,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-12-14 09:41:47,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 80. [2022-12-14 09:41:48,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 56 states have internal predecessors, (56), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2022-12-14 09:41:48,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 94 transitions. [2022-12-14 09:41:48,000 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 94 transitions. Word has length 30 [2022-12-14 09:41:48,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:41:48,001 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 94 transitions. [2022-12-14 09:41:48,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 09:41:48,001 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2022-12-14 09:41:48,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 09:41:48,001 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:41:48,001 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:41:48,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:41:48,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:41:48,203 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 09:41:48,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:41:48,205 INFO L85 PathProgramCache]: Analyzing trace with hash -877432880, now seen corresponding path program 1 times [2022-12-14 09:41:48,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:41:48,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901480616] [2022-12-14 09:41:48,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:41:48,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:41:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:41:48,367 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 09:41:48,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:41:48,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901480616] [2022-12-14 09:41:48,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901480616] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:41:48,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637062334] [2022-12-14 09:41:48,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:41:48,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:41:48,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:41:48,369 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:41:48,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 09:41:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:41:48,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 09:41:48,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:41:48,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:41:48,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-12-14 09:41:48,503 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:41:48,503 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:41:48,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:41:48,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2022-12-14 09:41:48,580 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 09:41:48,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637062334] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:41:48,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [225474274] [2022-12-14 09:41:48,582 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-12-14 09:41:48,583 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:41:48,583 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:41:48,583 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:41:48,583 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:41:48,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:48,709 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-12-14 09:41:48,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-12-14 09:41:48,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:48,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:48,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 09:41:48,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:48,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2022-12-14 09:41:48,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:48,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:48,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-12-14 09:41:48,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:48,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:49,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:49,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:49,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2022-12-14 09:41:49,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:49,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:49,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:49,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:49,227 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-12-14 09:41:49,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-12-14 09:41:49,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:49,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:49,259 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 09:41:49,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 40 [2022-12-14 09:41:49,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:49,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:49,283 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 09:41:49,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-12-14 09:41:49,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:49,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:49,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:41:49,607 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-12-14 09:41:49,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 446 treesize of output 448 [2022-12-14 09:41:49,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:51,803 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsTrue with input of size 124 for LOIs [2022-12-14 09:41:51,841 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 104 for LOIs [2022-12-14 09:41:51,859 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsFalse with input of size 103 for LOIs [2022-12-14 09:41:51,874 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 77 for LOIs [2022-12-14 09:41:51,879 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:41:55,277 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1322#(and (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (= |ULTIMATE.start_goodB2G2_#t~mem103#1| |ULTIMATE.start_goodB2G2_#t~post104#1|) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (<= 0 (+ |ULTIMATE.start_goodB2G1_~result~0#1| 2147483647)) (= ~GLOBAL_CONST_TRUE~0 1) (<= |ULTIMATE.start_goodB2G1_~result~0#1| 2147483647) (= (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) |ULTIMATE.start_goodB2G2_#t~mem103#1|) (= ~globalArgv~0.base 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (<= 0 |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= 5 ~globalFive~0) (<= 0 |#StackHeapBarrier|) (not (<= 0 (+ 2147483649 |ULTIMATE.start_goodB2G2_#t~post104#1|))) (= |#NULL.base| 0) (= ~globalTrue~0 1))' at error location [2022-12-14 09:41:55,278 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 09:41:55,278 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:41:55,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 5] total 11 [2022-12-14 09:41:55,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789191628] [2022-12-14 09:41:55,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 09:41:55,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 09:41:55,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:41:55,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 09:41:55,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1030, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 09:41:55,280 INFO L87 Difference]: Start difference. First operand 80 states and 94 transitions. Second operand has 12 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (10), 6 states have call predecessors, (10), 3 states have call successors, (10) [2022-12-14 09:41:57,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 09:41:57,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:41:57,459 INFO L93 Difference]: Finished difference Result 82 states and 95 transitions. [2022-12-14 09:41:57,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:41:57,459 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (10), 6 states have call predecessors, (10), 3 states have call successors, (10) Word has length 32 [2022-12-14 09:41:57,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:41:57,460 INFO L225 Difference]: With dead ends: 82 [2022-12-14 09:41:57,460 INFO L226 Difference]: Without dead ends: 81 [2022-12-14 09:41:57,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 63 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=181, Invalid=1225, Unknown=0, NotChecked=0, Total=1406 [2022-12-14 09:41:57,462 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 58 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:41:57,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 326 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 214 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 09:41:57,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-12-14 09:41:57,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2022-12-14 09:41:57,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 56 states have internal predecessors, (56), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2022-12-14 09:41:57,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2022-12-14 09:41:57,485 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 32 [2022-12-14 09:41:57,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:41:57,486 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2022-12-14 09:41:57,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (10), 6 states have call predecessors, (10), 3 states have call successors, (10) [2022-12-14 09:41:57,486 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2022-12-14 09:41:57,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 09:41:57,487 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:41:57,487 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:41:57,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 09:41:57,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:41:57,689 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 09:41:57,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:41:57,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1430615407, now seen corresponding path program 1 times [2022-12-14 09:41:57,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:41:57,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423297094] [2022-12-14 09:41:57,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:41:57,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:41:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:41:57,783 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 09:41:57,783 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:41:57,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423297094] [2022-12-14 09:41:57,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423297094] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:41:57,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:41:57,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:41:57,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600599583] [2022-12-14 09:41:57,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:41:57,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:41:57,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:41:57,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:41:57,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:41:57,785 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-14 09:41:57,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:41:57,833 INFO L93 Difference]: Finished difference Result 81 states and 94 transitions. [2022-12-14 09:41:57,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:41:57,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 33 [2022-12-14 09:41:57,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:41:57,834 INFO L225 Difference]: With dead ends: 81 [2022-12-14 09:41:57,834 INFO L226 Difference]: Without dead ends: 80 [2022-12-14 09:41:57,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:41:57,836 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:41:57,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:41:57,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-12-14 09:41:57,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-12-14 09:41:57,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 46 states have (on average 1.1956521739130435) internal successors, (55), 55 states have internal predecessors, (55), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2022-12-14 09:41:57,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 93 transitions. [2022-12-14 09:41:57,851 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 93 transitions. Word has length 33 [2022-12-14 09:41:57,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:41:57,851 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 93 transitions. [2022-12-14 09:41:57,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-14 09:41:57,852 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2022-12-14 09:41:57,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 09:41:57,852 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:41:57,852 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:41:57,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 09:41:57,853 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 09:41:57,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:41:57,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1121616351, now seen corresponding path program 1 times [2022-12-14 09:41:57,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:41:57,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680298147] [2022-12-14 09:41:57,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:41:57,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:41:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:41:57,897 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 09:41:57,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:41:57,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680298147] [2022-12-14 09:41:57,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680298147] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:41:57,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198659326] [2022-12-14 09:41:57,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:41:57,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:41:57,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:41:57,899 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:41:57,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 09:41:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:41:57,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:41:57,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:41:58,000 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 09:41:58,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:41:58,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198659326] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:41:58,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:41:58,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-12-14 09:41:58,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668913743] [2022-12-14 09:41:58,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:41:58,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:41:58,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:41:58,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:41:58,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:41:58,003 INFO L87 Difference]: Start difference. First operand 80 states and 93 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 09:41:58,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:41:58,054 INFO L93 Difference]: Finished difference Result 111 states and 127 transitions. [2022-12-14 09:41:58,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:41:58,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 42 [2022-12-14 09:41:58,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:41:58,056 INFO L225 Difference]: With dead ends: 111 [2022-12-14 09:41:58,056 INFO L226 Difference]: Without dead ends: 80 [2022-12-14 09:41:58,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:41:58,057 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:41:58,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:41:58,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-12-14 09:41:58,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-12-14 09:41:58,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 46 states have (on average 1.173913043478261) internal successors, (54), 54 states have internal predecessors, (54), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2022-12-14 09:41:58,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 92 transitions. [2022-12-14 09:41:58,080 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 92 transitions. Word has length 42 [2022-12-14 09:41:58,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:41:58,080 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 92 transitions. [2022-12-14 09:41:58,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 09:41:58,080 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2022-12-14 09:41:58,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 09:41:58,081 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:41:58,081 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:41:58,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 09:41:58,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:41:58,282 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 09:41:58,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:41:58,282 INFO L85 PathProgramCache]: Analyzing trace with hash 486040185, now seen corresponding path program 1 times [2022-12-14 09:41:58,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:41:58,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734728522] [2022-12-14 09:41:58,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:41:58,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:41:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:41:58,344 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 09:41:58,344 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:41:58,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734728522] [2022-12-14 09:41:58,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734728522] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:41:58,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:41:58,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:41:58,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640593678] [2022-12-14 09:41:58,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:41:58,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:41:58,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:41:58,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:41:58,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:41:58,346 INFO L87 Difference]: Start difference. First operand 80 states and 92 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 09:41:58,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:41:58,406 INFO L93 Difference]: Finished difference Result 97 states and 112 transitions. [2022-12-14 09:41:58,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:41:58,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 44 [2022-12-14 09:41:58,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:41:58,408 INFO L225 Difference]: With dead ends: 97 [2022-12-14 09:41:58,408 INFO L226 Difference]: Without dead ends: 95 [2022-12-14 09:41:58,408 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 09:41:58,409 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 11 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:41:58,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 172 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:41:58,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-12-14 09:41:58,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 85. [2022-12-14 09:41:58,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 50 states have (on average 1.18) internal successors, (59), 57 states have internal predecessors, (59), 20 states have call successors, (20), 11 states have call predecessors, (20), 11 states have return successors, (20), 17 states have call predecessors, (20), 20 states have call successors, (20) [2022-12-14 09:41:58,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 99 transitions. [2022-12-14 09:41:58,433 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 99 transitions. Word has length 44 [2022-12-14 09:41:58,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:41:58,433 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 99 transitions. [2022-12-14 09:41:58,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 09:41:58,434 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2022-12-14 09:41:58,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 09:41:58,435 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:41:58,435 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:41:58,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 09:41:58,435 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 09:41:58,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:41:58,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1670479845, now seen corresponding path program 1 times [2022-12-14 09:41:58,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:41:58,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621932335] [2022-12-14 09:41:58,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:41:58,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:41:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:41:58,490 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 09:41:58,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:41:58,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621932335] [2022-12-14 09:41:58,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621932335] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:41:58,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:41:58,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:41:58,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157389174] [2022-12-14 09:41:58,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:41:58,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:41:58,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:41:58,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:41:58,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:41:58,493 INFO L87 Difference]: Start difference. First operand 85 states and 99 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 09:41:58,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:41:58,534 INFO L93 Difference]: Finished difference Result 102 states and 115 transitions. [2022-12-14 09:41:58,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:41:58,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 47 [2022-12-14 09:41:58,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:41:58,535 INFO L225 Difference]: With dead ends: 102 [2022-12-14 09:41:58,535 INFO L226 Difference]: Without dead ends: 77 [2022-12-14 09:41:58,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:41:58,536 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:41:58,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:41:58,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-12-14 09:41:58,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2022-12-14 09:41:58,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 49 states have internal predecessors, (50), 17 states have call successors, (17), 10 states have call predecessors, (17), 10 states have return successors, (17), 15 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-14 09:41:58,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 84 transitions. [2022-12-14 09:41:58,549 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 84 transitions. Word has length 47 [2022-12-14 09:41:58,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:41:58,550 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 84 transitions. [2022-12-14 09:41:58,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 09:41:58,550 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2022-12-14 09:41:58,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 09:41:58,550 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:41:58,551 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:41:58,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 09:41:58,551 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 09:41:58,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:41:58,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1830184901, now seen corresponding path program 1 times [2022-12-14 09:41:58,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:41:58,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764824206] [2022-12-14 09:41:58,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:41:58,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:41:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:41:58,594 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-14 09:41:58,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:41:58,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764824206] [2022-12-14 09:41:58,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764824206] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:41:58,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589502343] [2022-12-14 09:41:58,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:41:58,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:41:58,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:41:58,596 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:41:58,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 09:41:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:41:58,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:41:58,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:41:58,701 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 09:41:58,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:41:58,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589502343] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:41:58,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:41:58,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-12-14 09:41:58,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554878303] [2022-12-14 09:41:58,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:41:58,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:41:58,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:41:58,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:41:58,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:41:58,703 INFO L87 Difference]: Start difference. First operand 74 states and 84 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 09:41:58,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:41:58,746 INFO L93 Difference]: Finished difference Result 86 states and 96 transitions. [2022-12-14 09:41:58,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:41:58,746 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 54 [2022-12-14 09:41:58,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:41:58,747 INFO L225 Difference]: With dead ends: 86 [2022-12-14 09:41:58,747 INFO L226 Difference]: Without dead ends: 74 [2022-12-14 09:41:58,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:41:58,748 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:41:58,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:41:58,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-12-14 09:41:58,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-12-14 09:41:58,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 48 states have internal predecessors, (49), 17 states have call successors, (17), 10 states have call predecessors, (17), 10 states have return successors, (17), 15 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-14 09:41:58,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 83 transitions. [2022-12-14 09:41:58,760 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 83 transitions. Word has length 54 [2022-12-14 09:41:58,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:41:58,760 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 83 transitions. [2022-12-14 09:41:58,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 09:41:58,760 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2022-12-14 09:41:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 09:41:58,761 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:41:58,761 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:41:58,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 09:41:58,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:41:58,962 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 09:41:58,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:41:58,962 INFO L85 PathProgramCache]: Analyzing trace with hash -228701055, now seen corresponding path program 1 times [2022-12-14 09:41:58,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:41:58,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030636317] [2022-12-14 09:41:58,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:41:58,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:41:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:41:59,041 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-14 09:41:59,042 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:41:59,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030636317] [2022-12-14 09:41:59,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030636317] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:41:59,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510093548] [2022-12-14 09:41:59,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:41:59,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:41:59,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:41:59,043 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:41:59,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 09:41:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:41:59,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 09:41:59,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:41:59,165 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-14 09:41:59,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:41:59,222 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-14 09:41:59,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510093548] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:41:59,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1012784163] [2022-12-14 09:41:59,225 INFO L159 IcfgInterpreter]: Started Sifa with 44 locations of interest [2022-12-14 09:41:59,225 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:41:59,225 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:41:59,225 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:41:59,225 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:41:59,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:59,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:59,336 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-12-14 09:41:59,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 86 [2022-12-14 09:41:59,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:59,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 09:41:59,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:59,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:59,421 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-12-14 09:41:59,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-12-14 09:41:59,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:59,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:59,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:59,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-12-14 09:41:59,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:59,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:41:59,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:59,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:59,758 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 09:41:59,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2022-12-14 09:41:59,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:59,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:59,870 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-12-14 09:41:59,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-12-14 09:41:59,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:59,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:41:59,900 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 09:41:59,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-12-14 09:42:00,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:42:00,163 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-12-14 09:42:00,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 453 treesize of output 451 [2022-12-14 09:42:00,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:42:00,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:42:01,979 INFO L321 Elim1Store]: treesize reduction 250, result has 18.8 percent of original size [2022-12-14 09:42:01,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 26 case distinctions, treesize of input 460 treesize of output 478 [2022-12-14 09:42:06,729 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsTrue with input of size 124 for LOIs [2022-12-14 09:42:06,763 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 160 for LOIs [2022-12-14 09:42:06,836 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsFalse with input of size 28 for LOIs [2022-12-14 09:42:06,837 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 64 for LOIs [2022-12-14 09:42:06,848 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:42:40,024 WARN L233 SmtUtils]: Spent 25.75s on a formula simplification. DAG size of input: 160 DAG size of output: 112 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:43:02,317 WARN L233 SmtUtils]: Spent 20.70s on a formula simplification. DAG size of input: 187 DAG size of output: 127 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:43:04,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1012784163] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:43:04,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:43:04,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [5, 5, 5] total 42 [2022-12-14 09:43:04,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454572384] [2022-12-14 09:43:04,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:43:04,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-12-14 09:43:04,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:43:04,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-12-14 09:43:04,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=1621, Unknown=0, NotChecked=0, Total=1806 [2022-12-14 09:43:04,027 INFO L87 Difference]: Start difference. First operand 74 states and 83 transitions. Second operand has 33 states, 20 states have (on average 1.35) internal successors, (27), 26 states have internal predecessors, (27), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-14 09:43:06,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:43:06,420 INFO L93 Difference]: Finished difference Result 98 states and 111 transitions. [2022-12-14 09:43:06,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-12-14 09:43:06,420 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 20 states have (on average 1.35) internal successors, (27), 26 states have internal predecessors, (27), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 59 [2022-12-14 09:43:06,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:43:06,421 INFO L225 Difference]: With dead ends: 98 [2022-12-14 09:43:06,421 INFO L226 Difference]: Without dead ends: 75 [2022-12-14 09:43:06,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 132 SyntacticMatches, 7 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 650 ImplicationChecksByTransitivity, 57.2s TimeCoverageRelationStatistics Valid=185, Invalid=1621, Unknown=0, NotChecked=0, Total=1806 [2022-12-14 09:43:06,422 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 42 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 1734 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 1739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:43:06,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 403 Invalid, 1739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1734 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 09:43:06,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-12-14 09:43:06,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2022-12-14 09:43:06,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 45 states have (on average 1.0666666666666667) internal successors, (48), 48 states have internal predecessors, (48), 17 states have call successors, (17), 10 states have call predecessors, (17), 10 states have return successors, (17), 15 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-14 09:43:06,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 82 transitions. [2022-12-14 09:43:06,434 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 82 transitions. Word has length 59 [2022-12-14 09:43:06,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:43:06,434 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 82 transitions. [2022-12-14 09:43:06,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 20 states have (on average 1.35) internal successors, (27), 26 states have internal predecessors, (27), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-14 09:43:06,434 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2022-12-14 09:43:06,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 09:43:06,435 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:43:06,435 INFO L195 NwaCegarLoop]: trace histogram [6, 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, 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 09:43:06,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-14 09:43:06,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-14 09:43:06,637 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 09:43:06,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:43:06,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1528231124, now seen corresponding path program 1 times [2022-12-14 09:43:06,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:43:06,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719248111] [2022-12-14 09:43:06,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:43:06,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:43:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:43:06,758 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 09:43:06,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:43:06,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719248111] [2022-12-14 09:43:06,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719248111] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:43:06,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052561867] [2022-12-14 09:43:06,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:43:06,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:43:06,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:43:06,759 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:43:06,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 09:43:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:43:06,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 09:43:06,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:43:06,891 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 09:43:06,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:43:06,955 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 09:43:06,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052561867] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:43:06,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1868038349] [2022-12-14 09:43:06,957 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2022-12-14 09:43:06,957 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:43:06,958 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:43:06,958 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:43:06,958 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:43:07,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:07,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 09:43:07,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:07,108 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-12-14 09:43:07,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-12-14 09:43:07,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:07,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2022-12-14 09:43:07,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:07,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:07,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:07,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:07,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-12-14 09:43:07,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:07,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:07,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:07,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:07,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2022-12-14 09:43:07,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:07,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:07,579 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-12-14 09:43:07,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-12-14 09:43:07,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:07,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:07,610 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 09:43:07,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 40 [2022-12-14 09:43:07,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:07,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:07,633 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 09:43:07,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-12-14 09:43:07,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:07,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:07,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:07,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:07,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:43:07,924 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-12-14 09:43:07,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 446 treesize of output 448 [2022-12-14 09:43:08,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:43:10,526 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsTrue with input of size 124 for LOIs [2022-12-14 09:43:10,561 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 145 for LOIs [2022-12-14 09:43:10,611 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsFalse with input of size 138 for LOIs [2022-12-14 09:43:10,655 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 121 for LOIs [2022-12-14 09:43:10,710 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:43:19,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1868038349] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:43:19,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:43:19,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [5, 5, 5] total 44 [2022-12-14 09:43:19,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721153838] [2022-12-14 09:43:19,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:43:19,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-12-14 09:43:19,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:43:19,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-12-14 09:43:19,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=1780, Unknown=0, NotChecked=0, Total=1980 [2022-12-14 09:43:19,542 INFO L87 Difference]: Start difference. First operand 74 states and 82 transitions. Second operand has 35 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 27 states have internal predecessors, (29), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-14 09:43:27,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:43:27,221 INFO L93 Difference]: Finished difference Result 103 states and 111 transitions. [2022-12-14 09:43:27,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-12-14 09:43:27,222 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 27 states have internal predecessors, (29), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 61 [2022-12-14 09:43:27,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:43:27,222 INFO L225 Difference]: With dead ends: 103 [2022-12-14 09:43:27,222 INFO L226 Difference]: Without dead ends: 76 [2022-12-14 09:43:27,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 134 SyntacticMatches, 9 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=371, Invalid=3535, Unknown=0, NotChecked=0, Total=3906 [2022-12-14 09:43:27,224 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 67 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:43:27,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 232 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1407 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-14 09:43:27,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-14 09:43:27,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2022-12-14 09:43:27,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 46 states have (on average 1.0434782608695652) internal successors, (48), 48 states have internal predecessors, (48), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 09:43:27,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2022-12-14 09:43:27,243 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 80 transitions. Word has length 61 [2022-12-14 09:43:27,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:43:27,243 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 80 transitions. [2022-12-14 09:43:27,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 27 states have internal predecessors, (29), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-14 09:43:27,243 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2022-12-14 09:43:27,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 09:43:27,244 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:43:27,244 INFO L195 NwaCegarLoop]: trace histogram [6, 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, 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 09:43:27,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-14 09:43:27,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-14 09:43:27,445 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 09:43:27,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:43:27,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1777908716, now seen corresponding path program 1 times [2022-12-14 09:43:27,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:43:27,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967121829] [2022-12-14 09:43:27,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:43:27,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:43:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:43:27,571 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 09:43:27,571 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:43:27,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967121829] [2022-12-14 09:43:27,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967121829] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:43:27,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366416703] [2022-12-14 09:43:27,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:43:27,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:43:27,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:43:27,573 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:43:27,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 09:43:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:43:27,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 09:43:27,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:43:27,686 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 09:43:27,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:43:27,740 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 09:43:27,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366416703] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:43:27,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1355438164] [2022-12-14 09:43:27,743 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2022-12-14 09:43:27,743 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:43:27,743 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:43:27,743 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:43:27,743 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:43:27,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:27,862 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-12-14 09:43:27,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 86 [2022-12-14 09:43:27,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:27,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 09:43:27,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:27,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:27,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:27,970 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-12-14 09:43:27,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 30 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 52 treesize of output 97 [2022-12-14 09:43:28,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:28,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2022-12-14 09:43:28,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:28,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:28,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:28,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:28,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:28,412 INFO L321 Elim1Store]: treesize reduction 118, result has 37.9 percent of original size [2022-12-14 09:43:28,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 38 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 69 treesize of output 126 [2022-12-14 09:43:28,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:28,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:28,451 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 09:43:28,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 16 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2022-12-14 09:43:28,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:28,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:43:28,479 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 09:43:28,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 37 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 70 [2022-12-14 09:43:28,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:28,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:28,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:28,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:43:28,764 INFO L321 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2022-12-14 09:43:28,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 453 treesize of output 451 [2022-12-14 09:43:29,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:29,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:43:29,892 INFO L321 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2022-12-14 09:43:29,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 477 treesize of output 463 [2022-12-14 09:43:30,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:43:30,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:43:31,484 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsTrue with input of size 124 for LOIs [2022-12-14 09:43:31,519 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 28 for LOIs [2022-12-14 09:43:31,521 INFO L197 IcfgInterpreter]: Interpreting procedure globalReturnsFalse with input of size 135 for LOIs [2022-12-14 09:43:31,556 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 141 for LOIs [2022-12-14 09:43:31,614 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:43:38,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1355438164] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:43:38,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:43:38,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [5, 5, 5] total 44 [2022-12-14 09:43:38,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363679196] [2022-12-14 09:43:38,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:43:38,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-12-14 09:43:38,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:43:38,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-12-14 09:43:38,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=1764, Unknown=0, NotChecked=0, Total=1980 [2022-12-14 09:43:38,625 INFO L87 Difference]: Start difference. First operand 75 states and 80 transitions. Second operand has 35 states, 21 states have (on average 1.380952380952381) internal successors, (29), 27 states have internal predecessors, (29), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-14 09:43:42,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:43:42,391 INFO L93 Difference]: Finished difference Result 93 states and 104 transitions. [2022-12-14 09:43:42,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-12-14 09:43:42,392 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 21 states have (on average 1.380952380952381) internal successors, (29), 27 states have internal predecessors, (29), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 61 [2022-12-14 09:43:42,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:43:42,392 INFO L225 Difference]: With dead ends: 93 [2022-12-14 09:43:42,392 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 09:43:42,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 135 SyntacticMatches, 8 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1177 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=342, Invalid=3080, Unknown=0, NotChecked=0, Total=3422 [2022-12-14 09:43:42,394 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 40 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:43:42,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 58 Invalid, 1345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 09:43:42,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 09:43:42,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 09:43:42,395 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 09:43:42,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 09:43:42,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2022-12-14 09:43:42,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:43:42,395 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 09:43:42,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 21 states have (on average 1.380952380952381) internal successors, (29), 27 states have internal predecessors, (29), 12 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-14 09:43:42,395 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 09:43:42,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 09:43:42,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-14 09:43:42,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-14 09:43:42,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-14 09:43:42,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-14 09:43:42,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-14 09:43:42,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-14 09:43:42,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-14 09:43:42,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-14 09:43:42,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-14 09:43:42,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:43:42,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 09:43:47,138 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-14 09:43:47,138 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-14 09:43:47,138 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1514 1517) the Hoare annotation is: true [2022-12-14 09:43:47,138 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseEXIT(lines 1514 1517) no Hoare annotation was computed. [2022-12-14 09:43:47,138 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-14 09:43:47,139 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-14 09:43:47,139 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-12-14 09:43:47,139 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1616) no Hoare annotation was computed. [2022-12-14 09:43:47,139 INFO L895 garLoopResultBuilder]: At program point L1621(line 1621) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~globalArgv~0.offset 0) (= |ULTIMATE.start_goodG2B1_~result~2#1| |ULTIMATE.start_goodG2B1_~data~2#1|) (= 5 ~GLOBAL_CONST_FIVE~0) (= ~GLOBAL_CONST_TRUE~0 1) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9| Int)) (<= 0 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9|) 2147483648))) (= |ULTIMATE.start_goodG2B2_~data~3#1| 0) (= 3 |ULTIMATE.start_goodG2B1_~data~2#1|) (= ~globalArgv~0.base 0) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (and (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|))) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 09:43:47,139 INFO L895 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (<= 0 |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 09:43:47,139 INFO L899 garLoopResultBuilder]: For program point L1621-1(line 1621) no Hoare annotation was computed. [2022-12-14 09:43:47,140 INFO L895 garLoopResultBuilder]: At program point L1621-4(lines 1621 1624) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~globalArgv~0.offset 0) (= |ULTIMATE.start_goodG2B1_~result~2#1| |ULTIMATE.start_goodG2B1_~data~2#1|) (= 5 ~GLOBAL_CONST_FIVE~0) (= ~GLOBAL_CONST_TRUE~0 1) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9| Int)) (<= 0 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9|) 2147483648))) (= 3 |ULTIMATE.start_goodG2B1_~data~2#1|) (= ~globalArgv~0.base 0) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (and (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|))) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= |ULTIMATE.start_goodG2B2_~data~3#1| 2) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 09:43:47,140 INFO L902 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: true [2022-12-14 09:43:47,140 INFO L895 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~globalArgv~0.offset 0) (= |ULTIMATE.start_goodG2B1_~result~2#1| |ULTIMATE.start_goodG2B1_~data~2#1|) (= 5 ~GLOBAL_CONST_FIVE~0) (= ~GLOBAL_CONST_TRUE~0 1) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9| Int)) (<= 0 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9|) 2147483648))) (= 3 |ULTIMATE.start_goodG2B1_~data~2#1|) (= ~globalArgv~0.base 0) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (and (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|))) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 09:43:47,140 INFO L902 garLoopResultBuilder]: At program point L1646-1(line 1646) the Hoare annotation is: true [2022-12-14 09:43:47,140 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2022-12-14 09:43:47,140 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-12-14 09:43:47,140 INFO L902 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: true [2022-12-14 09:43:47,140 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-12-14 09:43:47,140 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2022-12-14 09:43:47,140 INFO L899 garLoopResultBuilder]: For program point L1556(line 1556) no Hoare annotation was computed. [2022-12-14 09:43:47,140 INFO L899 garLoopResultBuilder]: For program point L1556-1(lines 1556 1572) no Hoare annotation was computed. [2022-12-14 09:43:47,140 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-12-14 09:43:47,140 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-12-14 09:43:47,140 INFO L899 garLoopResultBuilder]: For program point L1582-1(lines 1582 1594) no Hoare annotation was computed. [2022-12-14 09:43:47,140 INFO L899 garLoopResultBuilder]: For program point L1582-2(lines 1582 1594) no Hoare annotation was computed. [2022-12-14 09:43:47,140 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 09:43:47,141 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|))) (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= (select |#valid| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 1) (= 1 (select |#valid| 5)) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) (= (select |#length| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 4) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |ULTIMATE.start_goodB2G1_~#data~0#1.offset| 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (<= 0 (+ 2147483647 .cse0)) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= .cse0 2147483647) (= ~globalTrue~0 1) (= |ULTIMATE.start_goodB2G1_~result~0#1| .cse0))) [2022-12-14 09:43:47,141 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2022-12-14 09:43:47,141 INFO L899 garLoopResultBuilder]: For program point L1608(line 1608) no Hoare annotation was computed. [2022-12-14 09:43:47,141 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 1608 1615) no Hoare annotation was computed. [2022-12-14 09:43:47,141 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= ~GLOBAL_CONST_TRUE~0 1) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9| Int)) (<= 0 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9|) 2147483648))) (= ~globalArgv~0.base 0) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (and (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|))) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 09:43:47,141 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2022-12-14 09:43:47,141 INFO L899 garLoopResultBuilder]: For program point L1600-2(lines 1600 1607) no Hoare annotation was computed. [2022-12-14 09:43:47,141 INFO L895 garLoopResultBuilder]: At program point L1600-3(lines 1600 1607) the Hoare annotation is: (and (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= ~GLOBAL_CONST_TRUE~0 1) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9| Int)) (<= 0 (+ (select (select |#memory_int| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_goodB2G2_~#data~1#1.offset_BEFORE_CALL_9|) 2147483648))) (= ~globalArgv~0.base 0) (exists ((|v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19| Int)) (and (= (select |#valid| |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|) 0) (<= 0 |v_ULTIMATE.start_goodB2G2_~#data~1#1.base_19|))) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 09:43:47,141 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2022-12-14 09:43:47,142 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|))) (and (= 21 (select |#length| 2)) (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (<= .cse0 2147483647) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#valid| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (not (< .cse0 2147483647)) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= (select |#length| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 4) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1))) [2022-12-14 09:43:47,142 INFO L899 garLoopResultBuilder]: For program point L1625-1(lines 1625 1632) no Hoare annotation was computed. [2022-12-14 09:43:47,142 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1633) no Hoare annotation was computed. [2022-12-14 09:43:47,142 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1593) no Hoare annotation was computed. [2022-12-14 09:43:47,142 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2022-12-14 09:43:47,142 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= (select |#valid| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 1) (= 1 (select |#valid| 5)) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) (= (select |#length| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 4) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |ULTIMATE.start_goodB2G1_~#data~0#1.offset| 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 09:43:47,142 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2022-12-14 09:43:47,143 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1555) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|))) (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= (select |#valid| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 1) (= 1 (select |#valid| 5)) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) (= (select |#length| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 4) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (<= 0 (+ .cse0 2147483648)) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |ULTIMATE.start_goodB2G1_~#data~0#1.offset| 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= .cse0 2147483647) (= ~globalTrue~0 1))) [2022-12-14 09:43:47,143 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: false [2022-12-14 09:43:47,143 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 09:43:47,143 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2022-12-14 09:43:47,143 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2022-12-14 09:43:47,143 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2022-12-14 09:43:47,143 INFO L895 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 09:43:47,143 INFO L899 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2022-12-14 09:43:47,143 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2022-12-14 09:43:47,143 INFO L895 garLoopResultBuilder]: At program point L1578(line 1578) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#valid| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= (select |#length| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 4) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 09:43:47,143 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2022-12-14 09:43:47,143 INFO L899 garLoopResultBuilder]: For program point L1578-1(line 1578) no Hoare annotation was computed. [2022-12-14 09:43:47,144 INFO L895 garLoopResultBuilder]: At program point L1578-4(lines 1578 1581) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|))) (and (= 21 (select |#length| 2)) (= |ULTIMATE.start_goodB2G2_~#data~1#1.offset| 0) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (<= 0 (+ .cse0 2147483648)) (= (select |#length| 6) 18) (<= .cse0 2147483647) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#valid| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= (select |#length| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) 4) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1))) [2022-12-14 09:43:47,144 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|))) (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= (select |#valid| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 1) (= 1 (select |#valid| 5)) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) (= (select |#length| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) 4) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |ULTIMATE.start_goodB2G1_~#data~0#1.offset| 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (<= 2147483647 .cse0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= .cse0 2147483647) (= ~globalTrue~0 1))) [2022-12-14 09:43:47,144 INFO L899 garLoopResultBuilder]: For program point L1570-1(lines 1556 1572) no Hoare annotation was computed. [2022-12-14 09:43:47,144 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-12-14 09:43:47,144 INFO L899 garLoopResultBuilder]: For program point L1628(line 1628) no Hoare annotation was computed. [2022-12-14 09:43:47,144 INFO L899 garLoopResultBuilder]: For program point L1628-1(line 1628) no Hoare annotation was computed. [2022-12-14 09:43:47,144 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1571) no Hoare annotation was computed. [2022-12-14 09:43:47,144 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2022-12-14 09:43:47,144 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1510 1513) the Hoare annotation is: true [2022-12-14 09:43:47,144 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueEXIT(lines 1510 1513) no Hoare annotation was computed. [2022-12-14 09:43:47,147 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:43:47,148 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 09:43:47,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 09:43:47 BoogieIcfgContainer [2022-12-14 09:43:47,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 09:43:47,154 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 09:43:47,154 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 09:43:47,154 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 09:43:47,155 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:41:35" (3/4) ... [2022-12-14 09:43:47,156 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 09:43:47,160 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 09:43:47,160 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2022-12-14 09:43:47,160 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 09:43:47,160 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2022-12-14 09:43:47,163 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-12-14 09:43:47,163 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 09:43:47,164 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 09:43:47,164 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 09:43:47,191 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 09:43:47,192 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 09:43:47,192 INFO L158 Benchmark]: Toolchain (without parser) took 132488.32ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 97.3MB in the beginning and 160.9MB in the end (delta: -63.7MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. [2022-12-14 09:43:47,192 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:43:47,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 750.72ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 88.9MB in the end (delta: 8.4MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2022-12-14 09:43:47,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.24ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 85.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:43:47,192 INFO L158 Benchmark]: Boogie Preprocessor took 24.50ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 84.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:43:47,193 INFO L158 Benchmark]: RCFGBuilder took 383.87ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 63.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 09:43:47,193 INFO L158 Benchmark]: TraceAbstraction took 131240.29ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 62.5MB in the beginning and 166.2MB in the end (delta: -103.7MB). Peak memory consumption was 151.2MB. Max. memory is 16.1GB. [2022-12-14 09:43:47,193 INFO L158 Benchmark]: Witness Printer took 37.52ms. Allocated memory is still 302.0MB. Free memory was 166.2MB in the beginning and 160.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 09:43:47,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 750.72ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 88.9MB in the end (delta: 8.4MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.24ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 85.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.50ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 84.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 383.87ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 63.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 131240.29ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 62.5MB in the beginning and 166.2MB in the end (delta: -103.7MB). Peak memory consumption was 151.2MB. Max. memory is 16.1GB. * Witness Printer took 37.52ms. Allocated memory is still 302.0MB. Free memory was 166.2MB in the beginning and 160.9MB in the end (delta: 5.2MB). 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: 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: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: 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 5 procedures, 65 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 131.2s, OverallIterations: 13, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 347 SdHoareTripleChecker+Valid, 9.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 302 mSDsluCounter, 2814 SdHoareTripleChecker+Invalid, 9.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2114 mSDsCounter, 119 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5657 IncrementalHoareTripleChecker+Invalid, 5777 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 119 mSolverCounterUnsat, 700 mSDtfsCounter, 5657 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 910 GetRequests, 626 SyntacticMatches, 31 SemanticMatches, 253 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3821 ImplicationChecksByTransitivity, 90.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=8, InterpolantAutomatonStates: 183, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 38 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 84 PreInvPairs, 112 NumberOfFragments, 1782 HoareAnnotationTreeSize, 84 FomulaSimplifications, 544 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 23 FomulaSimplificationsInter, 22427 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 864 NumberOfCodeBlocks, 864 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1082 ConstructedInterpolants, 4 QuantifiedInterpolants, 1603 SizeOfPredicates, 30 NumberOfNonLiveVariables, 1889 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 25 InterpolantComputations, 8 PerfectInterpolantSequences, 518/536 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: OVERALL_TIME: 18.6s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 19, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 184, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 115, TOOLS_POST_TIME: 7.0s, TOOLS_POST_CALL_APPLICATIONS: 126, TOOLS_POST_CALL_TIME: 7.2s, TOOLS_POST_RETURN_APPLICATIONS: 84, TOOLS_POST_RETURN_TIME: 2.7s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 325, TOOLS_QUANTIFIERELIM_TIME: 16.8s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.4s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 451, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 111, DOMAIN_JOIN_TIME: 1.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 184, DOMAIN_ISBOTTOM_TIME: 0.3s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 84, CALL_SUMMARIZER_CACHE_MISSES: 15, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 4958, DAG_COMPRESSION_RETAINED_NODES: 463, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1646]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-14 09:43:47,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a78cc113-4d09-483c-a04d-9b230ed7248b/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